Re: [Re: Windows NT DHCP with multiple Scopes]

[Hatim badr]

Thank you for your response 

I want tp put 2 scopes in that server, which means that I have 1 IP address or
evan two but how can I force a client to take from specific scope

Thanks 
 

"Larry Lamb" <[EMAIL PROTECTED]> wrote:
As long as you have a router to move the traffic between the two VLANs, you
can use the ip helper-address to forward the broadcast to a known unicast
address for the DHCP server.

"Hatim badr" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Dear All,
>
> I'm using Windows NT DHCP server with 2 scopes in that server. I'm
creating 2
> VLANs. To be able to use the DHCP with this situation , I'm using 2 NIC
card ,
> one for each VLAN.
>
> I wonder if I can use only one NIC card and the IP HELPER ADDRESS with it!
> given that I want to use the same structure, I mean each VLAN has its own
> scope.
>
> Thanks
>
> Hatim
>
>
> 
> Get free email and a permanent address at http://www.netaddress.com/?N=1
>
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>


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CCNA Router Simulator

[pratul]

Dear All,=20
Could you please advise me where I can get a router simulator free of =
cost .
Thks/brgds

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RE: suresh's CCNP materials [1:2160]

[David Rosenbaum]

Ian,
I bought his BSCN and BCMSN pack last week and found good thought it is =
not as much bigger than CCNA pack in size, it has got good number of =
actual questions, I took 896 with his pack on the BSCN. I yet to take =
the BCMSN booked for the coming week. In the test I had some 35-40 =
questions closely related to the contents not word by word but in =
someotherway say its a gist of the real questions.

You can go aheadhttp://www.sureshhomepage.com

thanks
David Rosenbaum MCSE+I, CCNA, CCNP(1 down)
Chief Consultant & Security Advisor
NA Inc. NJ.


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Re: Private Internet Addressing

[Bradley J. Wilson]

ElephantChild wrote:

RFC 1918, section 3:

  "[...]Because private addresses have no global meaning, routing
information
   about private networks shall not be propagated on inter-enterprise
   links, *and packets with private source or destination addresses
   should not be forwarded across such links.*"

...But that's not what's happening in the case of the traceroute which
started this discussion.  The only reason we're seeing those private
addresses is because we're basically snooping around in someone else's
network.  RFC 1918 is still being upheld - privately-addressed traffic is
not being forwarded over inter-enterprise links.

The difference is this: "information about private networks shall not be
*propogated*"...meaning my routers must not actively advertise my private
networks to external ASes.  Well, okay - the ISP isn't doing that.  But when
we trace through a network using private addresses, we will see them - we're
snooping around, but the routers aren't actively propogating those private
numbers.

I'm excited about IPv6...but if we can make v4 last a little while longer,
hey, let's do it. ;-)

BJ



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Flash Card for Cisco 1005

[CiScO]

Are there any alternative and cheaper brand for Flash memory on Cisco 1005?
The one's by Smart Media for 4MB sells for around 75.00. Any info would be
helpful. Thanks!


--
Joe N., CCNA
Teligent NOC Data Engineer 1


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RE: Dialer Watch

[McCallum, Robert]

When using dialer watch you should still configure your isdn line as normal.
If you do not specify interesting traffic then the isdn line wont come up.

-Original Message-
From: Nonnweiler Daniel [mailto:[EMAIL PROTECTED]]
Sent: 25 February 2001 11:04
To: [EMAIL PROTECTED]
Subject: Dialer Watch


Hi all,

When using dialer watch is it normal, that the ISDN line will be up all the
time or can I configure it in a way, that it will only open calls when
interesting packets are seen.


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FW: Dialer Watch

[Nonnweiler Daniel]

-Original Message-
From: Nonnweiler Daniel [mailto:[EMAIL PROTECTED]]
Sent: Monday, February 26, 2001 12:10
To: McCallum, Robert
Subject: RE: Dialer Watch


Hi Robert,
Thanks for replying. But maybe I am out to lunch here. If i dont specify
interesting traffic, what couses the dialer to dial out?
I have attached the config file to explain. If you can spare some time to
have a look at it, that would be great.

The 3 routers are connected each one via a serial link to the central
Router. Router2 should never dial out. No LAN needs to be reachable on
Central router.


Thanks
Daniel



-Original Message-
From: McCallum, Robert [mailto:[EMAIL PROTECTED]]
Sent: Monday, February 26, 2001 11:34
To: 'Nonnweiler Daniel'; [EMAIL PROTECTED]
Subject: RE: Dialer Watch


When using dialer watch you should still configure your isdn line as normal.
If you do not specify interesting traffic then the isdn line wont come up.

-Original Message-
From: Nonnweiler Daniel [mailto:[EMAIL PROTECTED]]
Sent: 25 February 2001 11:04
To: [EMAIL PROTECTED]
Subject: Dialer Watch


Hi all,

When using dialer watch is it normal, that the ISDN line will be up all the
time or can I configure it in a way, that it will only open calls when
interesting packets are seen.


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!
version 12.0
service timestamps debug datetime localtime
service timestamps log datetime localtime 
service password-encryption
!
hostname Central
!
enable password 7 xxx
!
!
ip subnet-zero
no ip domain-lookup
!
!
process-max-time 200
!
interface Ethernet0/0
 ip address 172.30.12.254 255.255.255.248
 no ip directed-broadcast
 no shutdown
!
interface Serial0/0
 description connected to Router1
 ip address 10.0.1.2 255.255.255.252
 no ip directed-broadcast
 encapsulation ppp
 no shutdown
!
interface Serial0/1
 description connected to Router3
 ip address 10.0.1.6 255.255.255.252
 no ip directed-broadcast
 encapsulation ppp
 no shutdown
!
interface Serial0/2
 description connected to Router2
 ip address 10.0.1.10 255.255.255.252
 no ip directed-broadcast
 encapsulation ppp
 no shutdown
!
router eigrp 777
 network 10.0.0.0
 network 172.30.12.0
 no auto-summary
!
ip classless
no ip http server
!
!
line con 0
 exec-timeout 0 0
 password 7 x
 login
 transport input none
line aux 0
line vty 0 4
 password 7 
 login
!
end
!
service timestamps debug datetime localtime
service timestamps log datetime localtime 
service password-encryption
!
hostname Router3
!
enable password 7 xx
!
username Router1 password 7 x
username Router2 password 7 x
!
!
!
!
ip subnet-zero
no ip domain-lookup
!
isdn switch-type basic-net3
!
!
process-max-time 200
!
interface loopback9
 ip address 10.0.1.17 255.255.255.252
 no ip directed-broadcast
 no shutdown
!
interface Ethernet0/0
 description connected to EthernetLAN_1
 ip address 200.61.201.190 255.255.255.0
 no ip directed-broadcast
 no shutdown
!
interface Serial0/0
 description connected to Central
 ip address 10.0.1.5 255.255.255.252
 no ip directed-broadcast
 encapsulation ppp
 no ip mroute-cache
 no fair-queue
 no shutdown
!
interface BRI0/0
 description connected to Router2 Router3
 ip address 10.0.1.35 255.255.255.248
 ip directed-broadcast
 encapsulation ppp
 dialer idle-timeout 30
 dialer map ip 10.0.1.12 name Router2 broadcast 286
 dialer map ip 10.0.1.34 name Router2 broadcast 286
 dialer map ip 10.0.1.20 name Router1 broadcast 284
 dialer map ip 10.0.1.33 name Router1 broadcast 284
 dialer watch-group 1
 dialer-group 1
 isdn switch-type basic-net3
 isdn send-alerting
 ppp authentication chap
 no shutdown 
!
!
router eigrp 777
 network 10.0.0.0
 network 200.61.201.0
 no auto-summary
!
ip classless
no ip http server
!
access-list 101 deny   eigrp any any
access-list 101 permit ip any any
dialer watch-list 1 ip 10.0.1.12 255.255.255.252
dialer watch-list 1 ip 10.0.1.20 255.255.255.252
dialer-list 1 protocol ip list 101
!
line con 0
 exec-timeout 0 0
 password 7 
 login
 transport input none
line aux 0
line vty 0 4
 password 7 
 login
!
end

!
service timestamps debug datetime localtime
service timestamps log datetime localtime 
service password-encryption
!
hostname Router2
!
enable password 7 
!
username Router1 password 7 xxx
username Router3 password 7 xxx
!
!
!
!
ip subnet-zero
no ip domain-lookup
!
isdn switch-type basic-net3
!
!
process-max-time 200
!
interface Loopback9
 ip address 10.0.1.13 255.255.255.252
 no ip directed-broadcast
 no shutdwon 
!
interface Ethernet0/0
 description connected to EthernetLAN_2
 ip address 172.16.12.22 255.255.0.0 secondary
 ip address 181.43.1.1 255.255.0.0
 no ip directed-broadcast
 no shutdwon 
!
interface Serial0/0
 description connected to Central
 ip address 10.0.1.9 255.255.255.252
 no ip directed-broadcast
 encaps

RE: Dialer Watch

[Nonnweiler Daniel]

Hi Robert,
No understand your answer. Sorry I explained it wrong. The ISDN is up all
time only when I disconnect the main link and dialer. It then build the
correct EIGRP routes. But the interface will never go down unless i
reconnect the mail serial link again.
regard
Daniel


-Original Message-
From: McCallum, Robert [mailto:[EMAIL PROTECTED]]
Sent: Monday, February 26, 2001 11:34
To: 'Nonnweiler Daniel'; [EMAIL PROTECTED]
Subject: RE: Dialer Watch


When using dialer watch you should still configure your isdn line as normal.
If you do not specify interesting traffic then the isdn line wont come up.

-Original Message-
From: Nonnweiler Daniel [mailto:[EMAIL PROTECTED]]
Sent: 25 February 2001 11:04
To: [EMAIL PROTECTED]
Subject: Dialer Watch


Hi all,

When using dialer watch is it normal, that the ISDN line will be up all the
time or can I configure it in a way, that it will only open calls when
interesting packets are seen.


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SNMP Agent on Router

[Amit Gupta]

Hi All,

I need some help for making the router SNMP enabled. I
am  actually testing it out SNMP Manager Utility.
I am using the following commands on the router

snmp-server community hppublic RO
snmp-server enable traps snmp
snmp-server host x.x.x.x traps hppublic

where x.x.x.x is the IP address of the machine on
which the SNMP Manager is running.

Do I have to specify a file or directory for which
SNMP Manager looks for ?
How will the SNMP Manager query the MIB database ?


Thanks & Regards

Amit



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juniper and cisco

[cslx]

it is said that the core technology of juniper is better than cisco now,it
that true?


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RE: what is the average age of people in this stuff?

[Stephen Skinner]

that`s funny i`m currnetly 18 mnthsccnp(3/4) and CCNA/DA.did my CCNA when i 
was still in my mum`s womb.Does that make me to young???
 
You know it`s hard to impress people in interview`s when you mess your shorts,and 
keep dribbling...but i`ll keep trying
 
regards
 
stewveThat`s 

>From: "Dave" <[EMAIL PROTECTED]>
>Reply-To: "Dave" <[EMAIL PROTECTED]>
>To: "rtc" <[EMAIL PROTECTED]>, "Cisco" <[EMAIL PROTECTED]>, "CISCO 
GROUPSTUDY" <[EMAIL PROTECTED]>
>Subject: RE: what is the average age of people in this stuff? 
>Date: Fri, 23 Feb 2001 23:13:53 -0600 
> 
>Rtc, 
> 
>I bought my first computer a little over three years ago and I passed 
my 
>CCIE written this week. I am 45. Try networking a little bit. If it 
>arouses the same fascination in you that it does in most of the 
subscribers 
>to this list, then your mind will grow sharper and more powerful the 
further 
>you go. 
> 
>Good luck, 
>Dave Swink 
> 
>-Original Message- 
>From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of 
>rtc 
>Sent: Friday, February 23, 2001 10:31 PM 
>To: Cisco; CISCO GROUPSTUDY; CISCO GROUPSTUDY; Cisco 
>Cc: CISCO GROUPSTUDY 
>Subject: what is the average age of people in this stuff? 
> 
> 
> I'm 40--am I getting too old for this stuff? Cant remember anything 
worth a 
>damn, 
>especially the commands nd command syntax 
> 
>_ 
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>http://www.groupstudy.com/list/cisco.html 
>Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] 
> 
>_ 
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>Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] 
Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com">http://www.hotmail.com.

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RE: juniper and cisco

[Buri, Heather H]

>From what I understand from people who work with large scale providers,
Juniper is stronger in the Backbone.  I believe Cisco is probably still the
best for overall Enterprise products.

Heather Buri

-Original Message-
From: cslx [mailto:[EMAIL PROTECTED]]
Sent: Monday, February 26, 2001 5:56 AM
To: [EMAIL PROTECTED]
Subject: juniper and cisco


it is said that the core technology of juniper is better than cisco now,it
that true?


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PIX SSH

[Gil Shulman]

Hi all,

A couple of weeks ago I have red on this mailing list that remote
connection to the PIX firewall is possible not only through IPSEC tunnels
but also by using SSH.
If so I will appreciate it if someone will send me a brief explanation about
how it is done and a configuration example.
The Cisco's site surprisingly didn't give a satisfying explanation.

   Thank you in advance 


 Gil 

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Cisco Network Design

[McCallum, Robert]

Does anyone out there use the Cisco Network Designer tool?  If so what are
your views on it.

Here is the link to view the actual tool.

http://www.cisco.com/partner/cnd/inside.html

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flash

[Dale Frohman]

Is flash from an AS5300 interchangeable with flash from any other cisco
device?

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Re: FW: Dialer Watch

[Erick B.]

You can do a show dialer to see whats bringing up the
line. You can also use 'debug dialer' and the debugs
will show you when it dials. Turn off debugs when
done.

--- Nonnweiler Daniel <[EMAIL PROTECTED]> wrote:
> 
> 
> -Original Message-
> From: Nonnweiler Daniel [mailto:[EMAIL PROTECTED]]
> Sent: Monday, February 26, 2001 12:10
> To: McCallum, Robert
> Subject: RE: Dialer Watch
> 
> 
> Hi Robert,
> Thanks for replying. But maybe I am out to lunch
> here. If i dont specify
> interesting traffic, what couses the dialer to dial
> out?
> I have attached the config file to explain. If you
> can spare some time to
> have a look at it, that would be great.
> 
> The 3 routers are connected each one via a serial
> link to the central
> Router. Router2 should never dial out. No LAN needs
> to be reachable on
> Central router.
> 
> 
> Thanks
> Daniel
> 
> 
> 
> -Original Message-
> From: McCallum, Robert
> [mailto:[EMAIL PROTECTED]]
> Sent: Monday, February 26, 2001 11:34
> To: 'Nonnweiler Daniel'; [EMAIL PROTECTED]
> Subject: RE: Dialer Watch
> 
> 
> When using dialer watch you should still configure
> your isdn line as normal.
> If you do not specify interesting traffic then the
> isdn line wont come up.
> 
> -Original Message-
> From: Nonnweiler Daniel [mailto:[EMAIL PROTECTED]]
> Sent: 25 February 2001 11:04
> To: [EMAIL PROTECTED]
> Subject: Dialer Watch
> 
> 
> Hi all,
> 
> When using dialer watch is it normal, that the ISDN
> line will be up all the
> time or can I configure it in a way, that it will
> only open calls when
> interesting packets are seen.
> 
> 
> _
> FAQ, list archives, and subscription info:
> http://www.groupstudy.com/list/cisco.html
> Report misconduct and Nondisclosure violations to
> [EMAIL PROTECTED]
> 
> !
> version 12.0
> service timestamps debug datetime localtime
> service timestamps log datetime localtime 
> service password-encryption
> !
> hostname Central
> !
> enable password 7 xxx
> !
> !
> ip subnet-zero
> no ip domain-lookup
> !
> !
> process-max-time 200
> !
> interface Ethernet0/0
>  ip address 172.30.12.254 255.255.255.248
>  no ip directed-broadcast
>  no shutdown
> !
> interface Serial0/0
>  description connected to Router1
>  ip address 10.0.1.2 255.255.255.252
>  no ip directed-broadcast
>  encapsulation ppp
>  no shutdown
> !
> interface Serial0/1
>  description connected to Router3
>  ip address 10.0.1.6 255.255.255.252
>  no ip directed-broadcast
>  encapsulation ppp
>  no shutdown
> !
> interface Serial0/2
>  description connected to Router2
>  ip address 10.0.1.10 255.255.255.252
>  no ip directed-broadcast
>  encapsulation ppp
>  no shutdown
> !
> router eigrp 777
>  network 10.0.0.0
>  network 172.30.12.0
>  no auto-summary
> !
> ip classless
> no ip http server
> !
> !
> line con 0
>  exec-timeout 0 0
>  password 7 x
>  login
>  transport input none
> line aux 0
> line vty 0 4
>  password 7 
>  login
> !
> end
> !
> service timestamps debug datetime localtime
> service timestamps log datetime localtime 
> service password-encryption
> !
> hostname Router3
> !
> enable password 7 xx
> !
> username Router1 password 7 x
> username Router2 password 7 x
> !
> !
> !
> !
> ip subnet-zero
> no ip domain-lookup
> !
> isdn switch-type basic-net3
> !
> !
> process-max-time 200
> !
> interface loopback9
>  ip address 10.0.1.17 255.255.255.252
>  no ip directed-broadcast
>  no shutdown
> !
> interface Ethernet0/0
>  description connected to EthernetLAN_1
>  ip address 200.61.201.190 255.255.255.0
>  no ip directed-broadcast
>  no shutdown
> !
> interface Serial0/0
>  description connected to Central
>  ip address 10.0.1.5 255.255.255.252
>  no ip directed-broadcast
>  encapsulation ppp
>  no ip mroute-cache
>  no fair-queue
>  no shutdown
> !
> interface BRI0/0
>  description connected to Router2 Router3
>  ip address 10.0.1.35 255.255.255.248
>  ip directed-broadcast
>  encapsulation ppp
>  dialer idle-timeout 30
>  dialer map ip 10.0.1.12 name Router2 broadcast 286
>  dialer map ip 10.0.1.34 name Router2 broadcast 286
>  dialer map ip 10.0.1.20 name Router1 broadcast 284
>  dialer map ip 10.0.1.33 name Router1 broadcast 284
>  dialer watch-group 1
>  dialer-group 1
>  isdn switch-type basic-net3
>  isdn send-alerting
>  ppp authentication chap
>  no shutdown 
> !
> !
> router eigrp 777
>  network 10.0.0.0
>  network 200.61.201.0
>  no auto-summary
> !
> ip classless
> no ip http server
> !
> access-list 101 deny   eigrp any any
> access-list 101 permit ip any any
> dialer watch-list 1 ip 10.0.1.12 255.255.255.252
> dialer watch-list 1 ip 10.0.1.20 255.255.255.252
> dialer-list 1 protocol ip list 101
> !
> line con 0
>  exec-timeout 0 0
>  password 7 
>  login
>  transport input none
> line aux 0
> line vty 0 4
>  password 7 
>  login
> !
> end
> 
> !
> service timestamps debug datetime localtime
> service timestamps log datetime localtime 
> service password-

RE: Dial-Up AS5300 Dial Out

[Salsero33]

Is there anyone who has experience setting up an AS5300 for dial-out capability and if 
so how is it done??

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For Sale

[Adelphia News]

I am selling most of my lab now that I have reached my goals and no longer
need it. Most of my stuff is already spoken for by some friends but I have
the following for sale:
Cisco 4000M  2 ethernet and 2 serial 16/16/4 -- $1200
Cisco 2524 2 5-in-1 serials and 1 Ethernet 16/16 -- $900
Intel 9100 2 WAN and 1 Ethernet -- This router helped me to learn how cisco
works with other routers -- $100 or best offer
6 56K CSU/DSU's -- $10 Each
I have several cables to choose from including 3 back-to-back 60 to 60 pin
and 3 bacb-to-back 50 to 60 pin
I also have several hubs I give some one who buys any of these items
I guarantee all items to be 100% working.
I also have one more 4000M with 4 port serial an 2 port Ethernet and 1 port
Token Ring, It may already be sold...

Just send me an email at [EMAIL PROTECTED] if interested, I am planning to put
them up on Ebay in about a week or so.
Thanks
Rick



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Re: juniper and cisco

[Howard C. Berkowitz]

>"cslx" <[EMAIL PROTECTED]>  wrote,



>it is said that the core technology of juniper is better than cisco now,it
>that true?


If you mean technology for provider-level core routers, Juniper 
certainly is a strong competitor, and others may enter that space as 
well. Juniper's products don't necessarily fit the needs of 
enterprise cores except, perhaps, for very large ones.

One of Juniper's advantage is that it didn't need to implement great 
numbers of legacy and enterprise compatibility features, which tend 
to bloat IOS.  At the network layer, carriers aren't going to run 
anything except IP.

At the same time, enterprises are unlikely to need OC-192 and faster links.

In the provider marketplace, there isn't the same pressure for 
single-vendor, end-to-end solutions that there is in the enterprise 
market.  Indeed, many providers very consciously have at least two 
vendors for each functional area.  This is done for several reasons, 
including protection from bugs in a specific vendor implementation, 
the ability to play one supplier against another, protection against 
product delivery delays, etc.

A general comment though:  if you meant the "core technology" of 
products in general, no equipment vendor of any size will have a 
single technology for all its products.  Products are optimized for 
specific markets, and this is a Good Thing.  The idea that there is 
"one IOS" and Cisco has a seamless solution at every level, built to 
a Master Plan, is sheer marketing spin.

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RE: Private Internet Addressing

[Howard C. Berkowitz]

>Really?  So you wouldn't recommend using RFC 1918 addressing in a transient
>network, say, for a customer (end user) production network, as a means of
>securing the routers/switches that transport the data?  The servers used
>direct server return (http://www.foundrynet.com/genFaqDSR.html), and didn't
>incur the performance penalty usually associated with NAT...

I'm not sure what you mean by a transient network.

But if the hosts on that network  connect to the Internet, they should:

1.  Tunnel to endpoints using private address space (i.e., you are
building a VPN)
2.  Use registered address space
3.  Use private address space and NAT on the proivider side.

It concerns me, however, that private address space, without being 
discussed along with explicit filtering and other complementary 
security mechanisms, can  be thought of as adding any reliable level 
of security.  Yes, you may not be reachable in the global Internet. 
But without other controls, you might be quite accessible from other 
customers of the same providers.

Private addressing does have a place, and a good one. But it 
shouldn't EVER appear, IMNSHO, in ANY global Internet communications, 
whether those are the sources of packets or simply traceroute 
results.  Too many operational and security implications.

I don't think use of RFC 1918 for any form of Internet connectivity 
can be consistent with RFC 2828 and related anti-hacking measures.

>
>I've built several networks using this type addressing scheme, in
>conjunction with the use of OSPF and haven't had any problems...  I realize
>that this is not the same class of network (ISP), but it was a design used
>for several e-commerce sites...
>
>I would just like to know other peoples' opinion on this practice,
>especially yours, Howard...  :)
>
>Thanks
>Brant I. Stevens
>Internetwork Solutions Engineer
>Thrupoint, Inc.
>545 Fifth Avenue, 14th Floor
>New York, NY. 10017
>646-562-6540
>
>-Original Message-
>From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
>Howard C. Berkowitz
>Sent: Sunday, February 25, 2001 6:32 PM
>To: [EMAIL PROTECTED]
>Subject: Re: Private Internet Addressing
>
>
>This remains a continuing thread on NANOG.
>
>My personal view is that the world has certain ISPs, such as cais.net
>DSL and apparently US West in your example, that exist for the same
>reason as do warthogs:  to make roses even more beautiful.
>
>Several major ISPs have this pernicious practice, which confuses
>traceroute (in several ways), reverse DNS, and MTU path discovery.
>They are ISPs with significant allocations of address space and
>should be able to get more.
>
>I personally believe that anyone that uses private address space in a
>path where public traffic will EVER route through one of the
>addresses, is, at best, being irresponsible.  Sort of like looking
>for the gas leak with a lighted match.
>
>
>>I did a traceroute to one of US West's customers... got some
>>interesting results:
>>
>>13   206 ms  179 ms  123 ms  gig0-0-0.phnx-sust1.phnx.uswest.net
>>[206.80.192.253]
>>14  1016 ms  151 ms  975 ms  207.224.191.2
>>15   233 ms  124 ms  123 ms  192.168.8.1
>>16   151 ms  179 ms  123 ms  192.168.100.147
>>17   247 ms  192 ms  151 ms  vdsl-130-13-102-120.phnx.uswest.net
>>[130.13.102.120]
>>
>>RFC 1918 - "Address Allocation for Private Internets" indicates
>>192.168.0.0 through 192.168.255.255 (192.168/16 prefix) is reserved
>>for private internets.  Hops 15 and 16 in my traceroute show that
>>addresses within this range are being used publically.
>>
>>Did I miss something?  Have the "for private use only" IP addresses
>>now been given the green light to be used within the internet?
>>
>>-- Leigh Anne
>>
>
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RE: Lou Rossi's Token Ring paper

[Cletus . O . Ugwu]

I agree with Nigel. It should be a physical star and a logical ring.

Cletus Ugwu

-Original Message-
From: Nigel van Tura [mailto:[EMAIL PROTECTED]]
Sent: Monday, February 26, 2001 7:29 AM
To: Bradley J. Wilson; [EMAIL PROTECTED]
Subject: RE: Lou Rossi's Token Ring paper


But Bradley 

If we connect all to the MAU as a central hub then it becomes a physical
star and a logical ring inside the MAU.

Or what ?
Nigel van Tura

-Original Message-
From: Bradley J. Wilson [mailto:[EMAIL PROTECTED]]
Sent: 24 February 2001 01:50
To: cisco
Subject: Lou Rossi's Token Ring paper


I'm sitting here reading Lou Rossi's Token Ring paper, and right off the bat
I have a question:

He says that token ring is "a physical ring and a logical bus" - but isn't
this backward?  Isn't it a physical bus and a logical ring?  We're not
physically connecting stations together in a ring - they're all plugged into
a MAU and the "ring" is a logical entity inside the MAU, isn't it?

Thanks in advance,

BJ



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Re: Windows NT DHCP with multiple Scopes

[Scott M. Trieste]

You will also need to create a "super-scope" since you will have 2 different
net addresses on the same NIC card.

"Hatim badr" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Dear All,
>
> I'm using Windows NT DHCP server with 2 scopes in that server. I'm
creating 2
> VLANs. To be able to use the DHCP with this situation , I'm using 2 NIC
card ,
> one for each VLAN.
>
> I wonder if I can use only one NIC card and the IP HELPER ADDRESS with it!
> given that I want to use the same structure, I mean each VLAN has its own
> scope.
>
> Thanks
>
> Hatim
>
>
> 
> Get free email and a permanent address at http://www.netaddress.com/?N=1
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Re: Router Rack System - Help

[Donald B Johnson Jr]

A company called Anixter sells rehab racks pretty cheap
http://www.anixter.com/
Don
- Original Message -
From: Ray Smith <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Saturday, February 24, 2001 7:51 AM
Subject: Router Rack System - Help


> Guys,
>
> I am really trying to search high and low on the web for a sturdy, neat
and
> affordable rack system to place my 5 routers on at home, but have been
> unsuccessful thus far. Can anyone out there help me?
>
> I do not need anything too commercial because I have a small apartment and
> already my wife is complaining that the bedroom looks like an office.  I
saw
> something on blackbox.com but I am not sure if it is suitable enough for
> routers.  Thanks
> _
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Re: what is the average age of people in this stuff?

[Ruben Arias]

This discussion made me feel real good, I was having a lot of problems trying to
remember all the stuff for the tests, specially those items I can't practice on.
Now I realize 47 is not to old when you are not alone in the journey towards CCIE.

rtc wrote:

>  I'm 40--am I getting too old for this stuff? Cant remember anything worth a
> damn,
> especially the commands nd command syntax
>
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Re: Managed or "smart" Hub

[Howard C. Berkowitz]

>On Sun, 25 Feb 2001, C.M. Weaver wrote:
>
>>  Am I correct in stating that a managed or "smart" hub maintains MAC address
>>  tables along with port number information to forward packets to the
>>  appropriate destination?

ElephantChild <[EMAIL PROTECTED]>

>
>Not as I understand these terms. What you describe is a switch or a
>bridge. A managed hub would have an embedded SNMP agent. A smart hub
>would have some kind of configuration capability to enable or disable
>ports, set global parameters (eg, address of management console, SNMP
>community) or per-port parameters (eg, enable/disable, speed).
>
>Or it could be that someone's been spouting Marketingese at you. :-)

The last seems most reasonable.

"Hub" isn't a precise technical term (nor, for that matter, is 
"switch").  The general meaning of hub in the Cisco context, however, 
is a layer 1 multiport repeater.  The only "smart" things that apply 
to such a device are management functions.

MAC address information is layer 2, so a device that's aware of it is 
a bridge, not a hub.  Bridges can have differing degrees of 
intelligence, and I would agree that an SNMP-manageable bridge is 
smarter than one that is not remotely manageable.

There's no good technical reason to do so, but bridges that are aware 
of VLANs, filtering, etc., tend to be called switches.  There are 
non-SNMP-manageable switches that I suppose could be called "dumb".

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RE: SNMP Agent on Router

[Hennen, David]

The mib database is installed on the SNMP manager (the host), as part of the
snmp application running on that system.  The router sends numeric strings
(traps) to the listening SNMP manager indicating events have happened like a
power supply failure or a wan link down.

When the SNMP manager receives one of these numeric strings it looks through
the mib database and resolves the meaning of the trap.  If the trap is not
in the mib then the manager won't be able to resolve the trap and will
usually report just the numbers in an snmp log or similar.  If the trap is
in the mib, it will report something a little more meaningful.

Here's a trap for an ISDN link going inactive

SNMP 10.10.10.254 Trap(linkDown) ifIndex.5=5 ifDescr.5=BRI1:1 ifType.5=23
cisco.2.2.1.1.20.5=down

Here's a trap for a power supply being turned off on a Catalyst 6509, where
the trap is not in the mib database.

SNMP 10.10.12.12 Trap(cisco.5-6.5) cisco.5.1.2.13.0=1 cisco.5.1.2.11.0=2
cisco.5.1.2.12.0=1 cisco.5.1.2.9.0=2 cisco.5.1.2.10.0=0
cisco.5.1.3.1.1.10.1=2 cisco.5.1.3.1.1.11.1=0 cisco.5.1.2.4.0=2
cisco.5.1.2.5.0=0 cisco.5.1.2.7.0=4 cisco.5.1.2.8.0=32

See how it just says cisco followed by some numbers.  The application was
able to resolve the first part of the trap to the private enterprise family
of traps for Cisco but it didn't know what the rest of the numbers mean.
The solution is to get the mib for Catalyst 6509 and import it into the
existing mib for the SNMP application.

Hope this is helpful
Dave H

-Original Message-
From: Amit Gupta [mailto:[EMAIL PROTECTED]]
Sent: Monday, February 26, 2001 6:47 AM
To: [EMAIL PROTECTED]
Subject: SNMP Agent on Router


Hi All,

I need some help for making the router SNMP enabled. I
am  actually testing it out SNMP Manager Utility.
I am using the following commands on the router

snmp-server community hppublic RO
snmp-server enable traps snmp
snmp-server host x.x.x.x traps hppublic

where x.x.x.x is the IP address of the machine on
which the SNMP Manager is running.

Do I have to specify a file or directory for which
SNMP Manager looks for ?
How will the SNMP Manager query the MIB database ?


Thanks & Regards

Amit



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RE: PIX and Cisco Secure ACS

[Nabil Fares]

Syamsul,

It sure is possible

http://www.cisco.com/univercd/cc/td/doc/product/iaabu/pix/pix_v53/config/com
mands.htm#xtocid22331

This will show you how to set the PIX to intercept any traffic (HTTP, Telnet
and FTP).

HTH,

Nabil

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Syamsul Faizal Ahim
Sent: Monday, February 26, 2001 1:58 AM
To: [EMAIL PROTECTED]
Subject: PIX and Cisco Secure ACS


Hi All,

I have a question with regards to both of them. I'm trying to configure a
PIX and ACS in such a way that the PIX will recognise a traffic type ie.
HTTP from a user running IE/netscape and the user will get a pop up window
to enter his username/password for authentication. The authentication is
provided by the ACS. Can it be done on PIX and ACS??.
How to configure it??. Anybody have an idea or experience, can we share?

Thanks in advance.

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Re: ccbootcamp

[Arinze Okafo]

I used the nantech.com CCIE prep labs over the last week, and they seem 
closest to the real thing. The big advantage they have over the ccbootcamp 
labs is the way they are worded...The wording makes you think of the 
appropriate solution for any given task, as opposed to just asking you to 
configure specific features.

Arinze


>From: "sparkest pig" <[EMAIL PROTECTED]>
>Reply-To: "sparkest pig" <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>Subject: ccbootcamp
>Date: Sat, 24 Feb 2001 03:00:52
>
>I just wonder that how close is the ccbootcamp to the real exam?  i am
>planning to write the lab exam and hope to get some lab practise. i heard
>that lab 8 of the ccbootcamp is very challenging and is a good
>representation of the real lab exam.  How about other lab of the 
>ccbootcamp?
>   And besides ccbootcamp, where can I get labs that are equally (or more)
>challeging?  Is fatkid also very challenging?
>_
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RE: Private Internet Addressing

[Leigh Anne Chisholm]

Where I'm located, it seems that "major" ISP's are being bought left-right-and-center. 
 I would think that with some of the
acquisitions that have been made, what could have been a simple "merging" of networks 
would get a little ugly, trying to remove the
duplicate "private internet addressing" routes from all the providers, replacing these 
configurations with new addressing schemes.

Or am I still missing the boat?  (-:


  -- Leigh Anne

> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> Howard C. Berkowitz
> Sent: February 26, 2001 7:44 AM
> To: [EMAIL PROTECTED]
> Subject: RE: Private Internet Addressing
>
>
> >Really?  So you wouldn't recommend using RFC 1918 addressing in a transient
> >network, say, for a customer (end user) production network, as a means of
> >securing the routers/switches that transport the data?  The servers used
> >direct server return (http://www.foundrynet.com/genFaqDSR.html), and didn't
> >incur the performance penalty usually associated with NAT...
>
> I'm not sure what you mean by a transient network.
>
> But if the hosts on that network  connect to the Internet, they should:
>
> 1.  Tunnel to endpoints using private address space (i.e., you are
> building a VPN)
> 2.  Use registered address space
> 3.  Use private address space and NAT on the proivider side.
>
> It concerns me, however, that private address space, without being
> discussed along with explicit filtering and other complementary
> security mechanisms, can  be thought of as adding any reliable level
> of security.  Yes, you may not be reachable in the global Internet.
> But without other controls, you might be quite accessible from other
> customers of the same providers.
>
> Private addressing does have a place, and a good one. But it
> shouldn't EVER appear, IMNSHO, in ANY global Internet communications,
> whether those are the sources of packets or simply traceroute
> results.  Too many operational and security implications.
>
> I don't think use of RFC 1918 for any form of Internet connectivity
> can be consistent with RFC 2828 and related anti-hacking measures.
>
> >
> >I've built several networks using this type addressing scheme, in
> >conjunction with the use of OSPF and haven't had any problems...  I realize
> >that this is not the same class of network (ISP), but it was a design used
> >for several e-commerce sites...
> >
> >I would just like to know other peoples' opinion on this practice,
> >especially yours, Howard...  :)
> >
> >Thanks
> >Brant I. Stevens
> >Internetwork Solutions Engineer
> >Thrupoint, Inc.
> >545 Fifth Avenue, 14th Floor
> >New York, NY. 10017
> >646-562-6540
> >
> >-Original Message-
> >From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> >Howard C. Berkowitz
> >Sent: Sunday, February 25, 2001 6:32 PM
> >To: [EMAIL PROTECTED]
> >Subject: Re: Private Internet Addressing
> >
> >
> >This remains a continuing thread on NANOG.
> >
> >My personal view is that the world has certain ISPs, such as cais.net
> >DSL and apparently US West in your example, that exist for the same
> >reason as do warthogs:  to make roses even more beautiful.
> >
> >Several major ISPs have this pernicious practice, which confuses
> >traceroute (in several ways), reverse DNS, and MTU path discovery.
> >They are ISPs with significant allocations of address space and
> >should be able to get more.
> >
> >I personally believe that anyone that uses private address space in a
> >path where public traffic will EVER route through one of the
> >addresses, is, at best, being irresponsible.  Sort of like looking
> >for the gas leak with a lighted match.
> >
> >
> >>I did a traceroute to one of US West's customers... got some
> >>interesting results:
> >>
> >>13   206 ms  179 ms  123 ms  gig0-0-0.phnx-sust1.phnx.uswest.net
> >>[206.80.192.253]
> >>14  1016 ms  151 ms  975 ms  207.224.191.2
> >>15   233 ms  124 ms  123 ms  192.168.8.1
> >>16   151 ms  179 ms  123 ms  192.168.100.147
> >>17   247 ms  192 ms  151 ms  vdsl-130-13-102-120.phnx.uswest.net
> >>[130.13.102.120]
> >>
> >>RFC 1918 - "Address Allocation for Private Internets" indicates
> >>192.168.0.0 through 192.168.255.255 (192.168/16 prefix) is reserved
> >>for private internets.  Hops 15 and 16 in my traceroute show that
> >>addresses within this range are being used publically.
> >>
> >>Did I miss something?  Have the "for private use only" IP addresses
> >>now been given the green light to be used within the internet?
> >>
> >>-- Leigh Anne
> >>
> >
> >_
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Cisco Study aids for trade

[Kyle Sie]

To future CCNA's and future CCNP's, email mailto:CCNP'[EMAIL PROTECTED]">[EMAIL PROTECTED] if interested 
in trading Cisco study and/or training aids.  Aids available include (CCNA 
virtual labs), SIMs (virtual traiing aids for CCNPs).Get your 
FREE download of MSN Explorer at http://explorer.msn.com">http://explorer.msn.com

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RE: Private Internet Addressing

[Kane, Christopher A.]

As part of this thread, several people have mentioned that one of the
problems created is "breaking MTU path discovery." Could someone explain
what this means?

Thanks

-Original Message-
From: Howard C. Berkowitz [mailto:[EMAIL PROTECTED]]
Sent: Sunday, February 25, 2001 11:21 PM
To: [EMAIL PROTECTED]
Subject: Re: Private Internet Addressing


>
>and the reason an ISP would be considered "clueless" for using RFC1918 on
>internal point to points is..?
>
>Brian
>

Let's see...

It confuses troubleshooting because valid routes may appear to be 
looping, with the same address traversed more than once.

The addresses can't be resolved with reverse DNS.

It breaks MTU path discovery.

It violates the spirit of RFC 2827 and reverse path verification.

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Summarization

[Vik Evans]

Can some one please explain summarization to me a little better than this
stupid book I have. I can't tell if I am supposed to subtract a bit from the
subnet mask in order to summarize and once you come up with your summary
address, how do you know what addresses it summarizes?

Thanks
Vik - MCSE, CCNA


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Re: [Re: Managed or "smart" Hub]

[Tim Rutherford]

IMO
"Smart" or managed hubs implies SNMP capabilities
Not all but some managed hubs maintain per port MAC information.
However, this is not used (as in a switch) for traffic direction.
Having per port MAC information allows for things like:
Troubleshooting - MAC xxx is using my IP address. Where is this guy/gal
Advanced features - If MAC is not equal to xxx don't allow communication 
Etc.


"Howard C. Berkowitz" <[EMAIL PROTECTED]> wrote:
>On Sun, 25 Feb 2001, C.M. Weaver wrote:
>
>>  Am I correct in stating that a managed or "smart" hub maintains MAC
address
>>  tables along with port number information to forward packets to the
>>  appropriate destination?

ElephantChild <[EMAIL PROTECTED]>

>
>Not as I understand these terms. What you describe is a switch or a
>bridge. A managed hub would have an embedded SNMP agent. A smart hub
>would have some kind of configuration capability to enable or disable
>ports, set global parameters (eg, address of management console, SNMP
>community) or per-port parameters (eg, enable/disable, speed).
>
>Or it could be that someone's been spouting Marketingese at you. :-)

The last seems most reasonable.

"Hub" isn't a precise technical term (nor, for that matter, is 
"switch").  The general meaning of hub in the Cisco context, however, 
is a layer 1 multiport repeater.  The only "smart" things that apply 
to such a device are management functions.

MAC address information is layer 2, so a device that's aware of it is 
a bridge, not a hub.  Bridges can have differing degrees of 
intelligence, and I would agree that an SNMP-manageable bridge is 
smarter than one that is not remotely manageable.

There's no good technical reason to do so, but bridges that are aware 
of VLANs, filtering, etc., tend to be called switches.  There are 
non-SNMP-manageable switches that I suppose could be called "dumb".

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Citrix deployment

[Dinesh Pankhania]

Apologies if people feel this is off subject is so please delete

Looking to deploy Citrix thin client technology within campus environment.
LAN infrastructure is Cisco Catalyst 6500,5500,3500,2900
WAN is Cisco  3640 , 2900

I have no experience of Citrix but have already started doing research.
However I am running mainly into marketing - sales blurb about how wonderful 
the technology is etc etc 
Very little real life stuff

What I am looking for is real life Citrix deployment issues (from the 
LAN/WAN infrastructure point of view)
- useful resources, URLs etc
- what are things to be aware of
- must do / must not do pointers
- how important are QOS capability / packet shaping capability
- what are peoples experience of this
etc etc

Look forward to your comments.

Thank you

Dinesh



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RE: Cisco Network Design

[Chuck Larrieu]

This is the Enterprise Design Tool from NetformX. My employer has rolled
this out to all us sales engineer types, and I use it regularly.

Yes it is fairly decent, and I find it useful.

Yes there are a number of irritating bugs. For example, one cannot place a
redundant supervisor into a 6509. This is a problem that will be fixed "real
soon now"

There are devices where available blades do not show up.

But I would say in general this is very useful if you are aware of the
limits.

Oh yeah - some of the product lines are not well handled in the design tool.
Aironet, for example. Very high end switches, for example (as if I sell a
lot of those ;-> )

Also, it can be difficult to find the IOS image you want.

I've sounded negative. Let me assure that I use the tool daily, and in
general I like it a lot.

Chuck

-Original Message-
From:   [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of
McCallum, Robert
Sent:   Monday, February 26, 2001 6:03 AM
To: 'Ccielab' (E-mail); Cisco@Groupstudy. Com (E-mail)
Subject:Cisco Network Design

Does anyone out there use the Cisco Network Designer tool?  If so what are
your views on it.

Here is the link to view the actual tool.

http://www.cisco.com/partner/cnd/inside.html

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RE: juniper and cisco

[Dan West]

For our company, Cisco does not yet provide reliable
products that scale to OC192 and beyond. Juniper
easily handles this for our backbone interfaces. I
don't work with it directly myself, but that's what
the higher-up engineers have told our group. :>

--- "Buri, Heather H" <[EMAIL PROTECTED]> wrote:
> From what I understand from people who work with
> large scale providers,
> Juniper is stronger in the Backbone.  I believe
> Cisco is probably still the
> best for overall Enterprise products.
> 
> Heather Buri
> 
> -Original Message-
> From: cslx [mailto:[EMAIL PROTECTED]]
> Sent: Monday, February 26, 2001 5:56 AM
> To: [EMAIL PROTECTED]
> Subject: juniper and cisco
> 
> 
> it is said that the core technology of juniper is
> better than cisco now,it
> that true?
> 
> 
> _
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=
from The Big Lebowski...

The Dude: You sure he won't mind?
Bunny: Dieter doesn't care about anything. He's a nihilist.
The Dude: Ohhh, that must be exhausting...

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RE: Cisco Network Design

[John Neiberger]

Chuck, you're still alive!  I was beginning to wonder if studying for the
lab had turned you into a vegetable!  :-)  You've only got a little over a
month to go, right?  And then it's off to Disneyland for Chuck and family!

Regards,
John

>  This is the Enterprise Design Tool from NetformX. My employer has rolled
>  this out to all us sales engineer types, and I use it regularly.
>  
>  Yes it is fairly decent, and I find it useful.
>  
>  Yes there are a number of irritating bugs. For example, one cannot place
a
>  redundant supervisor into a 6509. This is a problem that will be fixed
"real
>  soon now"
>  
>  There are devices where available blades do not show up.
>  
>  But I would say in general this is very useful if you are aware of the
>  limits.
>  
>  Oh yeah - some of the product lines are not well handled in the design
tool.
>  Aironet, for example. Very high end switches, for example (as if I sell a
>  lot of those ;-> )
>  
>  Also, it can be difficult to find the IOS image you want.
>  
>  I've sounded negative. Let me assure that I use the tool daily, and in
>  general I like it a lot.
>  
>  Chuck
>  
>  -Original Message-
>  From:[EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of
>  McCallum, Robert
>  Sent:Monday, February 26, 2001 6:03 AM
>  To:  'Ccielab' (E-mail); Cisco@Groupstudy. Com (E-mail)
>  Subject: Cisco Network Design
>  
>  Does anyone out there use the Cisco Network Designer tool?  If so what
are
>  your views on it.
>  
>  Here is the link to view the actual tool.
>  
>  http://www.cisco.com/partner/cnd/inside.html
>  
>  ___
>  To unsubscribe from the CCIELAB list, send a message to
>  [EMAIL PROTECTED] with the body containing:
>  unsubscribe ccielab
>  
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Fw: email abuse from your client donald b johnson jr

[ian gomeche]

- Original Message -
From: "ian gomeche" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Cc: "Donald B Johnson Jr" <[EMAIL PROTECTED]>
Sent: Monday, February 26, 2001 4:02 PM
Subject: email abuse from your client donald b johnson jr


you will see that i have already asked your client twice to not communicate
with me any more. yet he persists (i will send you the original ostings from
him complete with full headers). this must be in contravention of your
AUP/TOC or whatever you call it. please deal with this client of yours

regards

ian gomeche

ikg associates uk ltd
- Original Message -
From: "Donald B Johnson Jr" <[EMAIL PROTECTED]>
To: "ian gomeche" <[EMAIL PROTECTED]>
Sent: Monday, February 26, 2001 6:42 PM
Subject: Re: simulation


just a little fancy text before i go
typical bully jump all over someone who is new to the site, get broken down
like all bullies, (grew up on a tough block in a big gun toteing US city
know a bully when i see one) then dispear for awhile, then come back with
some pathetic drivel are you a reformed bully or do you still monitor the
site for html.
god not you again  let me refresh your memory I made the unpardonable
offense of posting html you went bolistic on me
for days telling me that if i didnt knew what html is i should get off the
list because i will never be a ccna
now you want info on sims and dont think that is at least 20% dumber than a
block of wood ;>)
good luck on your ccnp
don
- Original Message -
From: ian gomeche <[EMAIL PROTECTED]>
To: Donald B Johnson Jr <[EMAIL PROTECTED]>
Sent: Monday, February 26, 2001 7:22 AM
Subject: Re: simulation


> get lost
> - Original Message -
> From: "Donald B Johnson Jr" <[EMAIL PROTECTED]>
> To: "ian gomeche" <[EMAIL PROTECTED]>
> Sent: Monday, February 26, 2001 6:17 PM
> Subject: Re: simulation
>
>
> long time no hear just trying to keep up with old buddies
> - Original Message -
> From: ian gomeche <[EMAIL PROTECTED]>
> To: Donald B Johnson Jr <[EMAIL PROTECTED]>
> Sent: Monday, February 26, 2001 7:17 AM
> Subject: Re: simulation
>
>
> > god.  not you again. go away
> >
> > ikg
> > - Original Message -
> > From: "Donald B Johnson Jr" <[EMAIL PROTECTED]>
> > To: "ian gomeche" <[EMAIL PROTECTED]>
> > Sent: Monday, February 26, 2001 6:10 PM
> > Subject: Re: simulation
> >
> >
> > That is so cute
> > Don
> > - Original Message -
> > From: ian gomeche <[EMAIL PROTECTED]>
> > To: cisco <[EMAIL PROTECTED]>
> > Sent: Sunday, February 25, 2001 7:36 AM
> > Subject: Fw: simulation
> >
> >
> > >
> > > - Original Message -
> > > From: "Howard C. Berkowitz" <[EMAIL PROTECTED]>
> > > To: "ian gomeche" <[EMAIL PROTECTED]>
> > > Sent: Sunday, February 25, 2001 3:30 PM
> > > Subject: Re: simulation
> > >
> > >
> > > Ian,
> > >
> > > It's not practical for me to answer such questions individually. By
> > > posting it to the list as a whole, you'll have the benefit of other
> > > opinions, including, for example, people who actually have used the
> > > routersim product. I'd be interested in seeing some of that myself.
> > >
> > > Howard
> > >
> > > >i have read your posting on simulators with great interest.
> > > >
> > > >i am currently studying for CCNA/CCDA  and now have a good collection
> of
> > > >books,study materials  and a routersim 2.0. also a friend is going to
> > lend
> > > >me a 2500 series router
> > > >
> > > >i am also starting to collect stuff for CCNP/CCDP. i was thinking of
> > buying
> > > >the 4 CCNP simulators (1 for each module) from routersim.com.
currently
> > > only
> > > >2 are available
> > > >- routING.sim 1.0 and switchsim 1.0
> > > >
> > > >ithese 4 will cost me about $500 or so.
> > > >
> > > >in view of what you and others have said, i now think that perhaps
this
> > is
> > > a
> > > >bad idea. i might be better to spend about $750 to get a s/h  2500
and
> > > >connect it to 2500 i am being lent.
> > > >
> > > >switchsim simulates a catalyst 5000 so  might be worth getting as
well
> as
> > > >the second 2500. (my current routersim
> > > >includes 2 catalys 1900)
> > > >
> > > >anyway, i would be most grateful for your thoughts on the above
> possible
> > > >upgrade paths (or any others)
> > > >
> > > >regards
> > > >
> > > >ian
> > >
> > >
> > >
> > > _
> > > FAQ, list archives, and subscription info:
> > http://www.groupstudy.com/list/cisco.html
> > > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
> >
> >
> >
>
>
>



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Re: Managed or "smart" Hub

[Andrew Cook]

I know there is no canonical distinction between a bridge and a switch, but
I tend to think of bridges as doing software-based forwarding with few ports
while switches are hardware-based lookups with much greater port density and
speed.  Works for me!

Andrew Cook

- Original Message -
From: "Howard C. Berkowitz" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, February 26, 2001 10:02 AM
Subject: Re: Managed or "smart" Hub


> >On Sun, 25 Feb 2001, C.M. Weaver wrote:
> >
> >>  Am I correct in stating that a managed or "smart" hub maintains MAC
address
> >>  tables along with port number information to forward packets to the
> >>  appropriate destination?
>
> ElephantChild <[EMAIL PROTECTED]>
>
> >
> >Not as I understand these terms. What you describe is a switch or a
> >bridge. A managed hub would have an embedded SNMP agent. A smart hub
> >would have some kind of configuration capability to enable or disable
> >ports, set global parameters (eg, address of management console, SNMP
> >community) or per-port parameters (eg, enable/disable, speed).
> >
> >Or it could be that someone's been spouting Marketingese at you. :-)
>
> The last seems most reasonable.
>
> "Hub" isn't a precise technical term (nor, for that matter, is
> "switch").  The general meaning of hub in the Cisco context, however,
> is a layer 1 multiport repeater.  The only "smart" things that apply
> to such a device are management functions.
>
> MAC address information is layer 2, so a device that's aware of it is
> a bridge, not a hub.  Bridges can have differing degrees of
> intelligence, and I would agree that an SNMP-manageable bridge is
> smarter than one that is not remotely manageable.
>
> There's no good technical reason to do so, but bridges that are aware
> of VLANs, filtering, etc., tend to be called switches.  There are
> non-SNMP-manageable switches that I suppose could be called "dumb".
>
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Re: EBGP multihop question

[Peter Van Oene]

I'm not sure if I follow you here.  I believe the question has to do with how the 
peering became established in the first place.  Simply adding a neighbor statement to 
a router in no way enables the router to find a route to that particular neighbor.  
Actually, the issue of routing to remote neighbors is one of the main reasons  why 
IGPs are used in AS's.  

*** REPLY SEPARATOR  ***

On 2/25/2001 at 11:55 AM Groupstudy wrote:

>There would not be an IGP running between F and D or F and E.  F only has a
>neighbor statement to D to allow it to establish a peering relationship with
>it.  The neighbor 192.168.12.1 ebgp-multihop statement in F's BGP routing
>process allows this to work.  There would not be a 192.168.12.0 network in
>F's routing table unless D has the statement 'network 192.168.12.0' in its
>own BGP routing process allowing it to advertise that network to other As'.
>
>
>- Original Message -
>From: Bradley J. Wilson <[EMAIL PROTECTED]>
>To: cisco <[EMAIL PROTECTED]>; Chris Williams
><[EMAIL PROTECTED]>; Neil Schneider <[EMAIL PROTECTED]>;
><[EMAIL PROTECTED]>; Jim Coyne <[EMAIL PROTECTED]>; Victor Alba
><[EMAIL PROTECTED]>; Jeff Assarian <[EMAIL PROTECTED]>; Phil Heller
><[EMAIL PROTECTED]>
>Sent: Sunday, February 25, 2001 10:40 AM
>Subject: EBGP multihop question
>
>
>> Take a look at Halabi (First Edition) p. 300, and riddle me this regarding
>> Figure 10-1:
>>
>> How does network 192.68.12.0 get into RTF's routing table?  The EBGP
>session
>> needs to be established before RTF can accept any routes from RTD.  But
>how
>> can the session be established before RTF knows how to route packets to
>RTD?
>>
>> The only thing I can think of would be a static route.  There really is no
>> feasible way to run an IGP between RTF and that network.  However, Halabi
>> doesn't include a static route in his configuration.
>>
>> (And if someone wants to post which page this is in the Second Edition,
>> please do.  I'm thinking about buying it, but I'm too cheap at this point.
>> ;-)
>>
>> BJ
>>
>>
>>
>>
>> _
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RE: CCIE salary

[Hinton Bandele-NBH281]

With that said, I will certainly follow all your suggestions to become better 
informed.  I should let you know that although I am currently a member of IEEE and 
have several subcriptions, I do not posses tha hands on experience with all the 
technologies.  I have a very good understanding of the theory and practice required to 
implement certain soluions.  Right now, with the direction the Internet is headed, I 
am interested in gaining a practical roadmap for developing business solutions that 
require knowledge of distributed computing methods.  With that said, what is the best 
roadmap to find out how some of the popular customer oriented solutions were 
developed?  One solutions in particular is the Napster application.  Do you have a 
roadmap and a source of information for developing that skillset?  Additionally, what 
are some of the other mailing list you guys are a part of?  Thanks!

-Original Message-
From: Howard C. Berkowitz [mailto:[EMAIL PROTECTED]]
Sent: Friday, February 23, 2001 3:46 PM
To: [EMAIL PROTECTED]
Subject: RE: CCIE salary


>Howard,
>
>>Things like abstract algebra (especially graph theory), principles of
>>real-time operating systems, queueing theory, etc., are all directly
>>relevant.  Reading and understanding the Routing Policy Specification
>>Language needs a good background in programming language and
>>abstractions including object orientation.
>
>i was not a computer science major, but i do have a good practical 
>handle on networking, protocols, and security and i have several 
>networking certs.  how can i develop my skills to reach the level in 
>which i can tackle large scale architecture projects.

When I started things, the academic programs weren't there.  They are 
today, and graduate-level courses CAN be relevant -- they may not.

I've written several books on design, and Wiley's Networking Council 
series primarily focuses on network architecture.  Priscilla's book.

Track the IETF and NANOG mailing lists.  Participate in professional 
societies such as ACM and IEEE.

It's worth looking occasionally at some of the technology-oriented 
business press (e.g., Business Week, Harvard Business Review, 
Business Communications Week).  Subscribe to all the free trade 
magazines and newspapers available -- eventually you will find what 
is useful and what is not.

Be sure you have strong spoken and written communications skills; you 
will have to interview people.

Know what you don't know. Know that many technical disciplines, not 
just networking, require lots of theoretical background.  By way of 
analogy, I have little problem dealing with my physicians, because I 
speak with them as a peer that understands the basic science 
underlying the discussion.

>
>-Original Message-
>From: Howard C. Berkowitz [mailto:[EMAIL PROTECTED]]
>Sent: Friday, February 23, 2001 2:33 PM
>To: [EMAIL PROTECTED]
>Subject: Re: CCIE salary
>
>
>>In my opinion, CCIE is a test of ability of learning and using knowledge,
>>not a test of knowledge itself.
>>
>>No matter a CCIE or not, you can be an expert in Wireless or Optical or
>>other arena, because you have been working on those stuff for a while and
>>you are following it.  No body compares a ISP senior engineer who has no
>>certification to  CCIE working in enterprise his/her whole life. But in my
>>mind as long as that guy is an CCIE, he should have no problem picking up
>>the job of the ISP senior engineer giving a short time.
>>
>>Jack
>
>
>Jack,
>
>True, I'm not a formal CCIE (and consciously do not intend to go
>through the lab because I don't want to conflict with Cisco NDAs),
>although I was CCSI-certified in the Old Days, when the testing
>(pre-1995) was comparable, IMHO, to the current CCIE program.  I have
>a reasonably solid computer science background (again, was in the
>field prior to their being graduate degrees in it), and am currently
>working on a book on ISP engineering, having written seveal related
>books.  These days, my work includes designing router products for
>ISP applications. I've written or contributed to several RFCs and
>Internet Drafts, including a current  draft on single router BGP
>convergence time, the next draft of which (to be posted next week)
>will reflect the thinking of several vendors.
>
>I can only say that it took me several years to get to a point where
>I feel comfortable in large-scale ISP architecture and engineering,
>starting with a solid software and theoretical background.  Things
>like abstract algebra (especially graph theory), principles of
>real-time operating systems, queueing theory, etc., are all directly
>relevant.  Reading and understanding the Routing Policy Specification
>Language needs a good background in programming language and
>abstractions including object orientation.
>
>In short, don't plan on walking into a major ISP and assuming a CCIE
>is anything more than a very minimal indication that you might be
>able to learn.  No one is going to put you i

Re: juniper and cisco

[Nathan]

Check out Cisco's optical VSR technology.

/n

cslx wrote:

> it is said that the core technology of juniper is better than cisco now,it
> that true?
>
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Re: Lou Rossi's Token Ring paper

[perryb]

Hi all,

I'm goinf to diverge from the star/bus issue in Mr. Rossi's paper, and
direct everyones attention to what I believe could be a mistake (clerical
error) in the paper on the DLSW piece.

Directly underneath Mr. Rossi's very first DLSW diagram, you see the RIF
values for "Router_A," and "Router_B."  Isn't the RIF show for "Router_B"
just a tad bit inverted and incorrect ?  Shouldn't it read "0630.00a1.0230"
instead?  The reason that I say this is because I had a "not so different"
question on a recent exam.  On this exam there were no "none of the above"
responses and only two possible valid RIFs.  The only plausable response was
in the order that I describe above.


Forgive me if this has already been pointed out before.
- Original Message -
From: <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, February 26, 2001 6:45 AM
Subject: RE: Lou Rossi's Token Ring paper


> I agree with Nigel. It should be a physical star and a logical ring.
>
> Cletus Ugwu
>
> -Original Message-
> From: Nigel van Tura [mailto:[EMAIL PROTECTED]]
> Sent: Monday, February 26, 2001 7:29 AM
> To: Bradley J. Wilson; [EMAIL PROTECTED]
> Subject: RE: Lou Rossi's Token Ring paper
>
>
> But Bradley
>
> If we connect all to the MAU as a central hub then it becomes a physical
> star and a logical ring inside the MAU.
>
> Or what ?
> Nigel van Tura
>
> -Original Message-
> From: Bradley J. Wilson [mailto:[EMAIL PROTECTED]]
> Sent: 24 February 2001 01:50
> To: cisco
> Subject: Lou Rossi's Token Ring paper
>
>
> I'm sitting here reading Lou Rossi's Token Ring paper, and right off the
bat
> I have a question:
>
> He says that token ring is "a physical ring and a logical bus" - but isn't
> this backward?  Isn't it a physical bus and a logical ring?  We're not
> physically connecting stations together in a ring - they're all plugged
into
> a MAU and the "ring" is a logical entity inside the MAU, isn't it?
>
> Thanks in advance,
>
> BJ
>
>
>
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Napster internet technology

[Hinton Bandele-NBH281]

I am performing research into the technical underpinnings of the Napster program that 
allows a desktop machine the ability to utilize desktop and internet tools to deliver 
a truly distributed Internet application.  Can anyone assist me by provide technical 
information on the Napster program?  Listed below are specific questions.

1. What development application was used to develop Napster?

2. How does Napster use TCP to distribute software? (i.e. port numbering information, 
application layer routing)

Thanks!

Bandele Hinton
Motorola Corporation
630-353-8286 (office)
877-992-7925 (pager)
[EMAIL PROTECTED]


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RE: Cisco Network Design

[Mark Rose]

I have a CCO login, but cannot get to this tool. It keeps on asking for a
logon. Any ideas?

TIA
Mark

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
McCallum, Robert
Sent: Monday, February 26, 2001 8:03 AM
To: 'Ccielab' (E-mail); Cisco@Groupstudy. Com (E-mail)
Subject: Cisco Network Design


Does anyone out there use the Cisco Network Designer tool?  If so what are
your views on it.

Here is the link to view the actual tool.

http://www.cisco.com/partner/cnd/inside.html

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Re: juniper and cisco

[Scott M. Trieste]

Juniper v. Cisco

Juniper seems to be a serious player in the carrier core, IP-only arena.
Companies like Worldcom really like the wirespeed Gigabit/Terabit switching
fabric.  On the other hand, Cisco has a strong grasp (and market share) in
the Enterprise arena.  For my $.02 worth, they provide the best products for
end-to-end integrations.  Not to mention that practically all their products
play nice with one another.  Although that may not be the case with other
vendors: (*cough*, *cough* ie- 6509's and HP Procurves; Firewall -1 and
PIX ).

Hope this helps.

Best Regards,

Scott M. Trieste

""cslx"" <[EMAIL PROTECTED]> wrote in message
97dk96$f5i$[EMAIL PROTECTED]">news:97dk96$f5i$[EMAIL PROTECTED]...
> it is said that the core technology of juniper is better than cisco now,it
> that true?
>
>
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RE: Private Internet Addressing: MTU Path Discovery

[Peter Van Oene]

Maximum Transfer Units (MTU) have an significant impact on the efficiency of traffic 
flow.  MTU's are set on a per link basis and describe the maximum datagram size 
permitted on a link.  Should a datagram size exceed the particular MTU on a link, the 
datagram is either dropped or fragmented depending on the state of the DF (do not 
fragment) bit in the datagram header.  In the even of a drop, an ICMP Destination 
Unreachable message is sent from the router who dropped the datagram to the source.

MTU path discovery involves a process where the source tries to figure out what the 
lowest MTU is across a set of links from source to destination.  Figuring this out 
allows the pending transmission to be optimized from an MTU perspective.  The process 
as described in RFC 1191, indicates that a source will send a datagram with the DF bit 
set (ie do not fragment) and an MTU equal to the size of its Next_Hop router which it 
already knows.  Should this MTU be the lowest, the transmission will succeed.  Should 
another MTU be lower along the path, an ICMP message indicating a need to unset the DF 
bit will be returned by the particular router with the lower MTU setting.  Upon 
receiving this message, the source can either retest with a lower MTU, or decide to 
unset the DF bit.

However, should that particular router happen to have a link address out of the 1918 
block, the likelihood of the source ever receiving the ICMP notification is 
significantly diminished due to best practises filtering policies which hopefully have 
been enacted with other AS's.  Hence, the source will be unable to successfully 
complete this process.

Hope that helps

Pete



*** REPLY SEPARATOR  ***

On 2/26/2001 at 10:44 AM Kane, Christopher A. wrote:

>As part of this thread, several people have mentioned that one of the
>problems created is "breaking MTU path discovery." Could someone explain
>what this means?
>
>Thanks
>
>-Original Message-
>From: Howard C. Berkowitz [mailto:[EMAIL PROTECTED]]
>Sent: Sunday, February 25, 2001 11:21 PM
>To: [EMAIL PROTECTED]
>Subject: Re: Private Internet Addressing
>
>
>>
>>and the reason an ISP would be considered "clueless" for using RFC1918 on
>>internal point to points is..?
>>
>>Brian
>>
>
>Let's see...
>
>It confuses troubleshooting because valid routes may appear to be 
>looping, with the same address traversed more than once.
>
>The addresses can't be resolved with reverse DNS.
>
>It breaks MTU path discovery.
>
>It violates the spirit of RFC 2827 and reverse path verification.
>
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Re: what is the average age of people in this stuff?

[Howard C. Berkowitz]

Not quite sure how I fit into this model.  I'm 52, but I was about 18 
when I first touched a computer, and 19 or 20 when I first did 
something that was recognizable as network-related (terminal-based 
timesharing).

By 1970, I was doing early distributed computing (medical lab 
instrument computers to database computers), pre-SNA IBM networking 
from about '71, ARPANET and X.25 stuff in the early '70s, SNA when it 
came out in '74, etc. Guessing that I did UNIX-based IP routing 
starting in the early to mid 80's, and first touched a Cisco router 
running 9.0 in 1992(?).

So, in some respects I fall into the "old" category.  It's hardly, 
though, a problem of learning technology -- the more I know, the 
easier it is to incorporate new concepts.  Learning is as much, or 
more, fun than it was when I was younger, because I've learned to 
make it as much play as work, and how to do it efficiently.

In all fairness, with what I do in my various "day" and "night" jobs, 
it really isn't that important for me to memorize lots of the details 
of individual commands. People tend to want me to figure out product 
and solution designs, and/or how to learn, than to be hands-on.

Understanding how people learn is important.  My thinking about a 
personal CCIE has evolved over the years.  At this point, I very 
consciously do not want to get  a CCIE, because I can't be accused of 
violating an NDA that I never signed.  Also, having a CCIE wouldn't 
particularly affect my compensation or my job prospects.

To say that I can't teach someone what they need to know for a CCIE, 
however, would be to suggest that Don Shula, Joe Gibbs, etc., were 
ineffective NFL coaches because they weren't qualified to be starting 
football players while they were coaching.

It's also comforting to work with Vint Cerf or Scott Bradner, and 
know that they are older and still playing!

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Re: Napster internet technology

[Mask Of Zorro]

Suggestions:

1. Contact Napster re:development tool, though I think that it is irrelevent 
(development tools are a personal preference, any number of tools could get 
you there with the goal clearly defined)

2. Do a few sniffer traces of the application in action in a test lab 
environment. You'll see quite clearly what it does...

3. Audit a University course on distributed computing. Much will be revealed 
in terms of strategy and skill required.

Good Luck!

Z

>From: Hinton Bandele-NBH281 <[EMAIL PROTECTED]>
>Reply-To: Hinton Bandele-NBH281 <[EMAIL PROTECTED]>
>To: "'[EMAIL PROTECTED]'" <[EMAIL PROTECTED]>
>Subject: Napster internet technology
>Date: Mon, 26 Feb 2001 10:29:01 -0600
>
>I am performing research into the technical underpinnings of the Napster 
>program that allows a desktop machine the ability to utilize desktop and 
>internet tools to deliver a truly distributed Internet application.  Can 
>anyone assist me by provide technical information on the Napster program?  
>Listed below are specific questions.
>
>1. What development application was used to develop Napster?
>
>2. How does Napster use TCP to distribute software? (i.e. port numbering 
>information, application layer routing)
>
>Thanks!
>
>Bandele Hinton
>Motorola Corporation
>630-353-8286 (office)
>877-992-7925 (pager)
>[EMAIL PROTECTED]
>
>
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Fw: email abuse from your client donald b johnson jr

[ian gomeche]

- Original Message -
From: "ian gomeche" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Cc: "Donald B Johnson Jr" <[EMAIL PROTECTED]>
Sent: Monday, February 26, 2001 4:02 PM
Subject: email abuse from your client donald b johnson jr


you will see that i have already asked your client twice to not communicate
with me any more. yet he persists (i will send you the original ostings from
him complete with full headers). this must be in contravention of your
AUP/TOC or whatever you call it. please deal with this client of yours

regards

ian gomeche

ikg associates uk ltd
- Original Message -
From: "Donald B Johnson Jr" <[EMAIL PROTECTED]>
To: "ian gomeche" <[EMAIL PROTECTED]>
Sent: Monday, February 26, 2001 6:42 PM
Subject: Re: simulation


just a little fancy text before i go
typical bully jump all over someone who is new to the site, get broken down
like all bullies, (grew up on a tough block in a big gun toteing US city
know a bully when i see one) then dispear for awhile, then come back with
some pathetic drivel are you a reformed bully or do you still monitor the
site for html.
god not you again  let me refresh your memory I made the unpardonable
offense of posting html you went bolistic on me
for days telling me that if i didnt knew what html is i should get off the
list because i will never be a ccna
now you want info on sims and dont think that is at least 20% dumber than a
block of wood ;>)
good luck on your ccnp
don
- Original Message -
From: ian gomeche <[EMAIL PROTECTED]>
To: Donald B Johnson Jr <[EMAIL PROTECTED]>
Sent: Monday, February 26, 2001 7:22 AM
Subject: Re: simulation


> get lost
> - Original Message -
> From: "Donald B Johnson Jr" <[EMAIL PROTECTED]>
> To: "ian gomeche" <[EMAIL PROTECTED]>
> Sent: Monday, February 26, 2001 6:17 PM
> Subject: Re: simulation
>
>
> long time no hear just trying to keep up with old buddies
> - Original Message -
> From: ian gomeche <[EMAIL PROTECTED]>
> To: Donald B Johnson Jr <[EMAIL PROTECTED]>
> Sent: Monday, February 26, 2001 7:17 AM
> Subject: Re: simulation
>
>
> > god.  not you again. go away
> >
> > ikg
> > - Original Message -
> > From: "Donald B Johnson Jr" <[EMAIL PROTECTED]>
> > To: "ian gomeche" <[EMAIL PROTECTED]>
> > Sent: Monday, February 26, 2001 6:10 PM
> > Subject: Re: simulation
> >
> >
> > That is so cute
> > Don
> > - Original Message -
> > From: ian gomeche <[EMAIL PROTECTED]>
> > To: cisco <[EMAIL PROTECTED]>
> > Sent: Sunday, February 25, 2001 7:36 AM
> > Subject: Fw: simulation
> >
> >
> > >
> > > - Original Message -
> > > From: "Howard C. Berkowitz" <[EMAIL PROTECTED]>
> > > To: "ian gomeche" <[EMAIL PROTECTED]>
> > > Sent: Sunday, February 25, 2001 3:30 PM
> > > Subject: Re: simulation
> > >
> > >
> > > Ian,
> > >
> > > It's not practical for me to answer such questions individually. By
> > > posting it to the list as a whole, you'll have the benefit of other
> > > opinions, including, for example, people who actually have used the
> > > routersim product. I'd be interested in seeing some of that myself.
> > >
> > > Howard
> > >
> > > >i have read your posting on simulators with great interest.
> > > >
> > > >i am currently studying for CCNA/CCDA  and now have a good collection
> of
> > > >books,study materials  and a routersim 2.0. also a friend is going to
> > lend
> > > >me a 2500 series router
> > > >
> > > >i am also starting to collect stuff for CCNP/CCDP. i was thinking of
> > buying
> > > >the 4 CCNP simulators (1 for each module) from routersim.com.
currently
> > > only
> > > >2 are available
> > > >- routING.sim 1.0 and switchsim 1.0
> > > >
> > > >ithese 4 will cost me about $500 or so.
> > > >
> > > >in view of what you and others have said, i now think that perhaps
this
> > is
> > > a
> > > >bad idea. i might be better to spend about $750 to get a s/h  2500
and
> > > >connect it to 2500 i am being lent.
> > > >
> > > >switchsim simulates a catalyst 5000 so  might be worth getting as
well
> as
> > > >the second 2500. (my current routersim
> > > >includes 2 catalys 1900)
> > > >
> > > >anyway, i would be most grateful for your thoughts on the above
> possible
> > > >upgrade paths (or any others)
> > > >
> > > >regards
> > > >
> > > >ian
> > >
> > >
> > >
> > > _
> > > FAQ, list archives, and subscription info:
> > http://www.groupstudy.com/list/cisco.html
> > > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
> >
> >
> >
>
>
>




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Re: Managed or "smart" Hub

[W. Alan Robertson]

Typically, a smart "hub" is simply SNMP managable.  It may also facilitate the
activation or disabling of specific ports.  What you are talking about is a
switch.  Any time your device has awareness of Layer 2 information (MAC
addresses, for example), you are referring to a Bridge or Switch (Which is, for
the most part, a multi-port bridge).

Hubs are Layer 1 devices.  Bridges and Switches are Layer 2.

Also, understand that the term "Smart Hub" is for marketing purposes.  It may
not be an accurate description of the device's capabilities.


- Original Message -
From: "C.M. Weaver" <[EMAIL PROTECTED]>
Newsgroups: groupstudy.cisco
To: <[EMAIL PROTECTED]>
Sent: Monday, February 26, 2001 12:17 AM
Subject: Managed or "smart" Hub


> Am I correct in stating that a managed or "smart" hub maintains MAC address
> tables along with port number information to forward packets to the
> appropriate destination?
>
> C.M.
>
>
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RE: what is the average age of people in this stuff?

[Mel Chandler PMI]

I'm 29 and all I ever hear about is how young I am (I guess youth is
automatically associated with inexperience)  But I've been around.  I've
done a four year tour in the Navy in the Advanced Electronics field as a
Sonar Technician on a Submarine.  I've worked for some fortune 500 companies
like Airtouch, IBM, Boeing, AST, Bergen Brunswick.  I have some certs to
back me up, but no matter what I do, it just never seems to be enough...  Oh
well, maybe after I have a PhD and CCIE I'll get someone to listen to me.

Mel L. Chandler, A+, Network+, MCNE, MCP+I, MCSE, CCNA
[EMAIL PROTECTED]
Network Analyst
Information Services
PMI Delta Dental
(562) 467-6627


-Original Message-
From: John Hardman [mailto:[EMAIL PROTECTED]]
Sent: Saturday, February 24, 2001 9:30 AM
To: [EMAIL PROTECTED]
Subject: Re: what is the average age of people in this stuff?


LOL!

I am 36, and have the same problem, thank Cisco that they put a ? in the
IOS.

Don't worry about it, most of the people I work (worked) with in the network
business are between 20-60 with the majority being in their 40's.

They say that memory is the first thing to go, I just wish would have told
my body that!

--
John Hardman CCNP MCSE+I


""rtc"" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> I'm 40--am I getting too old for this stuff? Cant remember anything worth
a
> damn,
> especially the commands nd command syntax
>
> _
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http://www.groupstudy.com/list/cisco.html
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RE: Cisco Network Design

[Howard C. Berkowitz]

Chuck,

Hope your preparation is going well.

You make some excellent points, that I'd like to take up to the 
10,000 foot level and generalize upon.

People often misconstrue that there is one proper user interface 
(GUI, menu, CLI) and/or that a tool should give finished results. 
The  real message, however, is that there really are different user 
types with different requirements.

A fairly basic distinction breaks network folk into planners and 
operators.  Another distinction is on skill level:  expert vs. 
entry-level.

Tools like ConfigMaker are appropriate for SMB work, and they have 
user interfaces appropriate for the entry-level people likely to be 
setting up their own networks.  If I were configuring a bunch of SMB 
networks, I'd be far more prone to use text-based scripts and 
templates that emphasize my productivity rather than ease of use.

At another level, Routing Policy Specification Language (RPSL) is an 
appropriate tool for describing interprovider routing, although it 
isn't a complete solution for defining such problems and doesn't 
directly help you understand what policies you should be defining. 
RtConfig is a public tool that can generate most of your eBGP 
configuration from an RPSL definition, but RtConfig neither is 
super-friendly to beginning users, or capable of creating a complete 
configuration.

 From your description, Enterprise Design Tool should be regarded as 
expert-friendly, suited for the problem of doing a first rough design 
that MUST be reviewed by a qualified presales engineer.  It does 
reduce work for that engineer, but doesn't replace her.

Was this the tool that was being used to evaluate CCIE/Design 
solutions?  Scary if so...network design is sufficiently an art that 
I don't think designs can be evaluated by a machine alone. By design, 
incidentally, I am not referring to a complete set of configurations 
that can be evaluated by a modeling tool such as Netsys, or by a full 
Monte Carlo simulator.

Nortel's architect level certification has problems if it will scale 
to cover large numbers of people, but has the reality that design 
proposals will be evaluated by a panel of human experts.

As many of you know, I like to look at medical education as a good 
model for networking.  There is no such thing as a "paper MD."

Admittedly, do remember the technical term used for the person that
graduates at the bottom of a medical school class:  "doctor."

There is premedical education that simply deals with skills for 
understanding specific medical sciences. Traditionally, the first two 
years of medical school deal with "preclinical sciences" such as 
biochemistry, physiology, histology, pharmacology, etc., although 
medical schools increasingly are providing some patient contact in 
the first two years.

The next two years of medical school involve some lectures and 
reading assignments, but principally closely supervised rotations in 
patient care.  The student watches more experienced physicians coming 
up with care plans and diagnoses, although the student will take 
histories and suggest diagnoses and treatments.  It is expected the 
student will come to the wrong conclusions a reasonable amount of the 
time, but learn by the experience.

Moving to the "postgraduate" medical education, one must graduate 
medical school and pass some tests to be considered for postgraduate 
training ("intern" and "resident" are less popular terms; they tend 
to speak of postgraduate year 1, 2, etc.). A PGY-1 physician has an 
MD, but are limited in the complexity of what they will touch, and 
have relatively close supervision.

It's PGY-3 or -4 before someone is considered fully trained in a 
"primary" specialty such as family practice, internal medicine, 
OB/GYN, etc.  At this point, there are more exams, and one becomes 
"board eligible" in a specific field.  Typically, one has to practice 
and present cases before being "board certified" in a given field. 
Board eligibility and certification in subspecialties takes longer 
(e.g., 3-4 years of internal medicine, 3 years of cardiology, 1-2 
years of interventional cardiology doing angiography).  At some 
point, paper exams simply are no longer important.  It's a matter of 
presenting cases, demonstrating you've taken continuing education, 
etc.
>This is the Enterprise Design Tool from NetformX. My employer has rolled
>this out to all us sales engineer types, and I use it regularly.
>
>Yes it is fairly decent, and I find it useful.
>
>Yes there are a number of irritating bugs. For example, one cannot place a
>redundant supervisor into a 6509. This is a problem that will be fixed "real
>soon now"
>
>There are devices where available blades do not show up.
>
>But I would say in general this is very useful if you are aware of the
>limits.
>
>Oh yeah - some of the product lines are not well handled in the design tool.
>Aironet, for example. Very high end switches, for example (as if I sell a
>lot of those ;-> )
>
>

Re: juniper and cisco

[Howard C. Berkowitz]

How long has this been deployed?

>Check out Cisco's optical VSR technology.
>
>/n
>
>cslx wrote:
>
>>  it is said that the core technology of juniper is better than cisco now,it
>  > that true?
>>

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RE: what is the average age of people in this stuff?

[Dale Frohman]

If they think you are young, they will probably think I am still a baby
being only 19.  I have my CCNA, 1/4 CCNP and actively seeking MCSE 2k.  I
also have an AA degree and also seeking my bachelor degree in computer
science.  I plan on getting my CCIE within the next few years.  I have
worked with an internet company for more than three years now.  I have
been told that I am impatient and immature, but I am not one to just sit
around.  If anyone can help me dispel some of these notions I would be
greatly thankful.  Also if someone veterans can give some pointers/tips on
how to make it in this industry, that would also be helpful.  I hope all
this hard work pays off!

Dale


On Mon, 26 Feb 2001, Mel Chandler PMI wrote:

> I'm 29 and all I ever hear about is how young I am (I guess youth is
> automatically associated with inexperience)  But I've been around.  I've
> done a four year tour in the Navy in the Advanced Electronics field as a
> Sonar Technician on a Submarine.  I've worked for some fortune 500 companies
> like Airtouch, IBM, Boeing, AST, Bergen Brunswick.  I have some certs to
> back me up, but no matter what I do, it just never seems to be enough...  Oh
> well, maybe after I have a PhD and CCIE I'll get someone to listen to me.
> 
> Mel L. Chandler, A+, Network+, MCNE, MCP+I, MCSE, CCNA
> [EMAIL PROTECTED]
> Network Analyst
> Information Services
> PMI Delta Dental
> (562) 467-6627
> 
> 
> -Original Message-
> From: John Hardman [mailto:[EMAIL PROTECTED]]
> Sent: Saturday, February 24, 2001 9:30 AM
> To: [EMAIL PROTECTED]
> Subject: Re: what is the average age of people in this stuff?
> 
> 
> LOL!
> 
> I am 36, and have the same problem, thank Cisco that they put a ? in the
> IOS.
> 
> Don't worry about it, most of the people I work (worked) with in the network
> business are between 20-60 with the majority being in their 40's.
> 
> They say that memory is the first thing to go, I just wish would have told
> my body that!
> 
> --
> John Hardman CCNP MCSE+I
> 
> 
> ""rtc"" <[EMAIL PROTECTED]> wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > I'm 40--am I getting too old for this stuff? Cant remember anything worth
> a
> > damn,
> > especially the commands nd command syntax
> >
> > _
> > FAQ, list archives, and subscription info:
> http://www.groupstudy.com/list/cisco.html
> > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
> >
> 
> 
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RE: Dial-Up Experts...

[Mel Chandler PMI]

OMG, but I'd really be impressed if you connected a VIC-20 up to a TRS-80.

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Sunday, February 25, 2001 10:01 AM
To: Circusnuts
Cc: [EMAIL PROTECTED]
Subject: RE: Dial-Up Experts...


I've done this with two modems and two computers... not trying to show my
age but I connected a Kaypro 2X and a Commodore 128 through their respective
modems at 300 baud ;-) Pretty big feat back then...

Tim

> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> Circusnuts
> Sent: Sunday, February 25, 2001 3:50 PM
> To: [EMAIL PROTECTED]
> Subject: Dial-Up Experts...
>
>
> Hey All- is there a way to simulate dial-up without going through the =
> Telco (i.e. point to point, using no dial tone).  I'm practicing CCIE =
> labs & have a few with dial scenario.  I wondered it I could do a call =
> back without tying up two phone lines, say a modem off of my 2509 =
> connected to another modem @ Aux of another router.
>
> Any advice would be greatly appreciated...
>
> Thanks
> Phil
>
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RE: what is the average age of people in this stuff?

[Andy]

I'm considerably younger actually. My youngest peer is your age. Good
thing I look older. I know how it goes. I have learned to keep my age a 
guarded secret (and not be smug about accomplishing the same amount
in a couple of years then others have in 10-20). Especially when switching
jobs and filling out applications. I do things such as just give the
number of years I attended college as opposed to what those years actually
are. I feel your pain :) 

andy

On Mon, 26 Feb 2001, Mel Chandler PMI wrote:

> I'm 29 and all I ever hear about is how young I am (I guess youth is
> automatically associated with inexperience)  But I've been around.  I've
> done a four year tour in the Navy in the Advanced Electronics field as a
> Sonar Technician on a Submarine.  I've worked for some fortune 500 companies
> like Airtouch, IBM, Boeing, AST, Bergen Brunswick.  I have some certs to
> back me up, but no matter what I do, it just never seems to be enough...  Oh
> well, maybe after I have a PhD and CCIE I'll get someone to listen to me.
> 
> Mel L. Chandler, A+, Network+, MCNE, MCP+I, MCSE, CCNA
> [EMAIL PROTECTED]
> Network Analyst
> Information Services
> PMI Delta Dental
> (562) 467-6627
> 
> 
> -Original Message-
> From: John Hardman [mailto:[EMAIL PROTECTED]]
> Sent: Saturday, February 24, 2001 9:30 AM
> To: [EMAIL PROTECTED]
> Subject: Re: what is the average age of people in this stuff?
> 
> 
> LOL!
> 
> I am 36, and have the same problem, thank Cisco that they put a ? in the
> IOS.
> 
> Don't worry about it, most of the people I work (worked) with in the network
> business are between 20-60 with the majority being in their 40's.
> 
> They say that memory is the first thing to go, I just wish would have told
> my body that!
> 
> --
> John Hardman CCNP MCSE+I
> 
> 
> ""rtc"" <[EMAIL PROTECTED]> wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > I'm 40--am I getting too old for this stuff? Cant remember anything worth
> a
> > damn,
> > especially the commands nd command syntax
> >
> > _
> > FAQ, list archives, and subscription info:
> http://www.groupstudy.com/list/cisco.html
> > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
> >
> 
> 
> _
> FAQ, list archives, and subscription info:
> http://www.groupstudy.com/list/cisco.html
> Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
> 
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Re: PIX SSH

[kent . hundley]

Gil,

Did you try the PIX 5.3 command reference?



It seems fairly thorough, shows how to create RSA keys and the 
SSH command syntax.

HTH,
Kent

On 26 Feb 2001, at 15:46, Gil Shulman wrote:

> Hi all,
> 
> A couple of weeks ago I have red on this mailing list that remote
> connection to the PIX firewall is possible not only through IPSEC
> tunnels but also by using SSH. If so I will appreciate it if someone
> will send me a brief explanation about how it is done and a
> configuration example. The Cisco's site surprisingly didn't give a
> satisfying explanation.
> 
>Thank you in advance 
> 
> 
>  Gil 
> 
> _
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Re: access-list

[kent . hundley]

Nelluri,

Comments embedded:

On 25 Feb 2001, at 19:31, Nelluri Reddy wrote:

> I need some help with IP extended access lists.
> 
> I have an FTP server on the inside and I need to allow access to it
> from the outside. There are two ports used, FTP (20) for control and
> FTP-DATA (21) for the transfer of actual data.

Actually, its the reverse, 21 for control and 20 for ftp-data. 

> 
> When the two sides decide to start data transfer, does the server or
> the client open the data connection (TCP)?

The client always initiates the initial session, although the client 
_application_ could reside on a physical _server_.  IOW, which end 
is the client or server from the perspective of FTP is which end 
initiates the connection to port 21 on the other end.  A physical 
box that you call a server could either wait passively for an FTP 
connection, in which case it is an FTP server, or it could initiate an 
FTP connection to another device, in which case it would be an 
FTP client.

 
>I assume that in passive
> mode, the client opens the connection and in normal mode, the server
> opens connection. 

In passive mode, the FTP-DATA session is opened from the FTP 
client to the FTP server.  In "standard" FTP, the FTP server opens 
an active connection to the FTP client, typically from source port 
20 to a randomly chosen client port.


>How is port FTP-DATA used? Is that port always used
> on the server side?

In standard FTP mode, the server port is usually port 20, although 
it need not be per the RFC.  In passive mode FTP, the server port 
is a randomly chosen high-numbered port.

> 
> access-list 101 permit tcp any host a.b.c.d eq ftp
> access-list 101 permit tcp any host a.b.c.d eq ftp-data
> 
> Will the above work in all cases, where the server has the address
> a.b.c.d?

It depends on how the acl is applied, but typically if your using 
standard FTP there is no need to specify the FTP-DATA session in 
an inbound acl since a TCP established entry will suffice and is 
usually required for other traffic.  

If your using passive mode FTP, this would not suffice for an 
inbound acl since the client will initiate a connection to a port 
number which is randomly chosen during the FTP session.  

Of course, you could use CBAC with the firewall feature set to 
insure that the correct dynamic entries were created for the FTP-
DATA session.

For further info on the specifics of FTP and other standard TCP/IP 
apps, I highly recommend "TCP/IP illustrated vol 1" by Richard 
Stevens.

HTH,
Kent

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RE: core internet technology

[Hinton Bandele-NBH281]

I am performing research into the technical underpinnings of the Napster program that 
allows a desktop machine the ability to utilize desktop and internet tools to deliver 
a truly distributed Internet application.  Can anyone assist me by provide technical 
information on the Napster program?  Listed below are specific questions.

1. What development application was used to develop Napster?

2. How does Napster use TCP to distribute software? (i.e. port numbering information, 
application layer routing)

Thanks!

Bandele Hinton
Motorola Corporation
630-353-8286 (office)
877-992-7925 (pager)
[EMAIL PROTECTED]


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RE: what is the average age of people in this stuff?

[Robert Padjen]

Contrary to Mr. Reagan, sometimes youth is a positive.
I have two years on Mel, and I'm just finally getting
out of the 'you're so young...' Govern your enthusiasm
and impatience in meetings and kick (*$.


--- Dale Frohman <[EMAIL PROTECTED]> wrote:
> If they think you are young, they will probably
> think I am still a baby
> being only 19.  I have my CCNA, 1/4 CCNP and
> actively seeking MCSE 2k.  I
> also have an AA degree and also seeking my bachelor
> degree in computer
> science.  I plan on getting my CCIE within the next
> few years.  I have
> worked with an internet company for more than three
> years now.  I have
> been told that I am impatient and immature, but I am
> not one to just sit
> around.  If anyone can help me dispel some of these
> notions I would be
> greatly thankful.  Also if someone veterans can give
> some pointers/tips on
> how to make it in this industry, that would also be
> helpful.  I hope all
> this hard work pays off!
> 
> Dale
> 
> 
> On Mon, 26 Feb 2001, Mel Chandler PMI wrote:
> 
> > I'm 29 and all I ever hear about is how young I am
> (I guess youth is
> > automatically associated with inexperience)  But
> I've been around.  I've
> > done a four year tour in the Navy in the Advanced
> Electronics field as a
> > Sonar Technician on a Submarine.  I've worked for
> some fortune 500 companies
> > like Airtouch, IBM, Boeing, AST, Bergen Brunswick.
>  I have some certs to
> > back me up, but no matter what I do, it just never
> seems to be enough...  Oh
> > well, maybe after I have a PhD and CCIE I'll get
> someone to listen to me.
> > 
> > Mel L. Chandler, A+, Network+, MCNE, MCP+I, MCSE,
> CCNA
> > [EMAIL PROTECTED]
> > Network Analyst
> > Information Services
> > PMI Delta Dental
> > (562) 467-6627
> > 
> > 
> > -Original Message-
> > From: John Hardman
> [mailto:[EMAIL PROTECTED]]
> > Sent: Saturday, February 24, 2001 9:30 AM
> > To: [EMAIL PROTECTED]
> > Subject: Re: what is the average age of people in
> this stuff?
> > 
> > 
> > LOL!
> > 
> > I am 36, and have the same problem, thank Cisco
> that they put a ? in the
> > IOS.
> > 
> > Don't worry about it, most of the people I work
> (worked) with in the network
> > business are between 20-60 with the majority being
> in their 40's.
> > 
> > They say that memory is the first thing to go, I
> just wish would have told
> > my body that!
> > 
> > --
> > John Hardman CCNP MCSE+I
> > 
> > 
> > ""rtc"" <[EMAIL PROTECTED]> wrote in message
> > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > > I'm 40--am I getting too old for this stuff?
> Cant remember anything worth
> > a
> > > damn,
> > > especially the commands nd command syntax
> > >
> > > _
> > > FAQ, list archives, and subscription info:
> > http://www.groupstudy.com/list/cisco.html
> > > Report misconduct and Nondisclosure violations
> to [EMAIL PROTECTED]
> > >
> > 
> > 
> > _
> > FAQ, list archives, and subscription info:
> > http://www.groupstudy.com/list/cisco.html
> > Report misconduct and Nondisclosure violations to
> [EMAIL PROTECTED]
> > 
> > _
> > FAQ, list archives, and subscription info:
> http://www.groupstudy.com/list/cisco.html
> > Report misconduct and Nondisclosure violations to
> [EMAIL PROTECTED]
> > 
> 
> _
> FAQ, list archives, and subscription info:
> http://www.groupstudy.com/list/cisco.html
> Report misconduct and Nondisclosure violations to
[EMAIL PROTECTED]


=
Robert Padjen

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Re: what is the average age of people in this stuff?

[Tom Lisa]

Well, I guess this puts me in the "old geezer" category.  I got my Bachelor degree 
when I
was 40, my Masters at 45 and my CCNA at 55.  I'm just now starting on the CCNP and 
hope to
achieve CCIE status by 65 (Would this make me the oldest to finally get a CCIE?), just 
in
time to retire from teaching (my third career) and start on my Ph.D. in earnest.  For 
me
the joy is in the journey.  Besides, how else am I going to stay one step ahead of my
grandkids?

Tom Lisa, Instructor, CCNA, CCAI
Community College of Southern Nevada
Cisco Regional Networking Academy

Fred Ingham wrote:

> rtc:  I passed my ccie when I was 20 years your senior.  Age isn't an
> excuse.
> Fred.
>
> rtc wrote:
> >
> >  I'm 40--am I getting too old for this stuff? Cant remember anything worth a
> > damn,
> > especially the commands nd command syntax
> >
> > _
> > FAQ, list archives, and subscription info: 
>http://www.groupstudy.com/list/cisco.html
> > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
>
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RE: what is the average age of people in this stuff?

[Hinton Bandele-NBH281]

Your journey is a very exciting one.  I am very respectful of your knowledge and 
understanding of the business.  you mentioned being effective based on how someone 
thinks.  i have discovered that the way a person thinks is vitally important.

personally, i am a problem solving thinker.  i always look for improvement is a 
system.  with that said, can you more clearly define your idea of how people think?  
can you teach someone to think from a problem solving perspective?  thanks!

-Original Message-
From: Howard C. Berkowitz [mailto:[EMAIL PROTECTED]]
Sent: Monday, February 26, 2001 10:56 AM
To: [EMAIL PROTECTED]
Subject: Re: what is the average age of people in this stuff?


Not quite sure how I fit into this model.  I'm 52, but I was about 18 
when I first touched a computer, and 19 or 20 when I first did 
something that was recognizable as network-related (terminal-based 
timesharing).

By 1970, I was doing early distributed computing (medical lab 
instrument computers to database computers), pre-SNA IBM networking 
from about '71, ARPANET and X.25 stuff in the early '70s, SNA when it 
came out in '74, etc. Guessing that I did UNIX-based IP routing 
starting in the early to mid 80's, and first touched a Cisco router 
running 9.0 in 1992(?).

So, in some respects I fall into the "old" category.  It's hardly, 
though, a problem of learning technology -- the more I know, the 
easier it is to incorporate new concepts.  Learning is as much, or 
more, fun than it was when I was younger, because I've learned to 
make it as much play as work, and how to do it efficiently.

In all fairness, with what I do in my various "day" and "night" jobs, 
it really isn't that important for me to memorize lots of the details 
of individual commands. People tend to want me to figure out product 
and solution designs, and/or how to learn, than to be hands-on.

Understanding how people learn is important.  My thinking about a 
personal CCIE has evolved over the years.  At this point, I very 
consciously do not want to get  a CCIE, because I can't be accused of 
violating an NDA that I never signed.  Also, having a CCIE wouldn't 
particularly affect my compensation or my job prospects.

To say that I can't teach someone what they need to know for a CCIE, 
however, would be to suggest that Don Shula, Joe Gibbs, etc., were 
ineffective NFL coaches because they weren't qualified to be starting 
football players while they were coaching.

It's also comforting to work with Vint Cerf or Scott Bradner, and 
know that they are older and still playing!

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RE: Dial-Up Experts...

[Howard C. Berkowitz]

I'll see your VIC-20 to Trash-80, and raise you PDP-8 to PDP-11.

>OMG, but I'd really be impressed if you connected a VIC-20 up to a TRS-80.
>
>-Original Message-
>From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
>Sent: Sunday, February 25, 2001 10:01 AM
>To: Circusnuts
>Cc: [EMAIL PROTECTED]
>Subject: RE: Dial-Up Experts...
>
>
>I've done this with two modems and two computers... not trying to show my
>age but I connected a Kaypro 2X and a Commodore 128 through their respective
>modems at 300 baud ;-) Pretty big feat back then...
>
>Tim
>
>>  -Original Message-
>>  From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
>>  Circusnuts
>>  Sent: Sunday, February 25, 2001 3:50 PM
>>  To: [EMAIL PROTECTED]
>>  Subject: Dial-Up Experts...
>>
>>
>>  Hey All- is there a way to simulate dial-up without going through the =
>>  Telco (i.e. point to point, using no dial tone).  I'm practicing CCIE =
>>  labs & have a few with dial scenario.  I wondered it I could do a call =
>>  back without tying up two phone lines, say a modem off of my 2509 =
>>  connected to another modem @ Aux of another router.
>>
>>  Any advice would be greatly appreciated...
>>
>>  Thanks
>  > Phil

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RE: what is the average age of people in this stuff?

[Andy]

On Mon, 26 Feb 2001, Dale Frohman wrote:

> If they think you are young, they will probably think I am still a baby
> being only 19.  I have my CCNA, 1/4 CCNP and actively seeking MCSE 2k.  I
> also have an AA degree and also seeking my bachelor degree in computer
> science.  I plan on getting my CCIE within the next few years.  I have
> worked with an internet company for more than three years now.  I have
> been told that I am impatient and immature, but I am not one to just sit

You are :)

> around.  If anyone can help me dispel some of these notions I would be
> greatly thankful.  Also if someone veterans can give some pointers/tips on
> how to make it in this industry, that would also be helpful.  

1. Be humble.

2. Remember everyone has *something*. They may not share the skills you
have, but be assued they can do something better then you and you may need
help one day. 

3. Quit being condensending. This is hard when you don't realize it. I
started by basically not saying anything at all comment wise then working
intelligent well thought out comments in later.

4. Keep your age a secret. Its none of anyone else's business and will
only hold you back.

5. Don't be negative, even if it was a stupid idea or wrong.

6. Consider how you view a 14 year-old. You essentially know their every
thoguht and motivation. Your only 5 years older then them. Think about how
someone 20 years older then you must know you better then you know
yourself. I get older every day to the point that I look back on what I
completed the day before and wonder how I got through it knowing only what
I knew yesterday. I multiply that by thousands of times to try to
comprehend how I will feel in a few years. 

6b. Don't forget, no matter how old you are, comparitively speaking, you
know nothing. Be thankful you know the tiny little bit you do and
maximize how you use it.



> I hope all this hard work pays off!

It will.

andy


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RE: what is the average age of people in this stuff?

[Denis A. Baldwin]

I find myself in much of the same situation Dale is in.  At 20, I am busting
with energy most of the time. I know how to fix the problems and I have the
desire to, but I often get the "you're not old enough and experienced
enough" excuse from people who haven't seen my work.  A lot of people assume
that experience and ability comes with age. I agree with that point to a
degree.  However, I know a lot of teenagers who are brilliant and a lot of
people in their 40s who don't have sense enough to get out of the rain. :-)

Denis


Denis A. Baldwin - Network Administrator
A+ / Network + / I-Net+ / MCP


-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Robert Padjen
Sent: Monday, February 26, 2001 1:17 PM
To: Dale Frohman; Mel Chandler PMI
Cc: [EMAIL PROTECTED]
Subject: RE: what is the average age of people in this stuff?


Contrary to Mr. Reagan, sometimes youth is a positive.
I have two years on Mel, and I'm just finally getting
out of the 'you're so young...' Govern your enthusiasm
and impatience in meetings and kick (*$.


--- Dale Frohman <[EMAIL PROTECTED]> wrote:
> If they think you are young, they will probably
> think I am still a baby
> being only 19.  I have my CCNA, 1/4 CCNP and
> actively seeking MCSE 2k.  I
> also have an AA degree and also seeking my bachelor
> degree in computer
> science.  I plan on getting my CCIE within the next
> few years.  I have
> worked with an internet company for more than three
> years now.  I have
> been told that I am impatient and immature, but I am
> not one to just sit
> around.  If anyone can help me dispel some of these
> notions I would be
> greatly thankful.  Also if someone veterans can give
> some pointers/tips on
> how to make it in this industry, that would also be
> helpful.  I hope all
> this hard work pays off!
>
> Dale
>
>
> On Mon, 26 Feb 2001, Mel Chandler PMI wrote:
>
> > I'm 29 and all I ever hear about is how young I am
> (I guess youth is
> > automatically associated with inexperience)  But
> I've been around.  I've
> > done a four year tour in the Navy in the Advanced
> Electronics field as a
> > Sonar Technician on a Submarine.  I've worked for
> some fortune 500 companies
> > like Airtouch, IBM, Boeing, AST, Bergen Brunswick.
>  I have some certs to
> > back me up, but no matter what I do, it just never
> seems to be enough...  Oh
> > well, maybe after I have a PhD and CCIE I'll get
> someone to listen to me.
> >
> > Mel L. Chandler, A+, Network+, MCNE, MCP+I, MCSE,
> CCNA
> > [EMAIL PROTECTED]
> > Network Analyst
> > Information Services
> > PMI Delta Dental
> > (562) 467-6627
> >
> >
> > -Original Message-
> > From: John Hardman
> [mailto:[EMAIL PROTECTED]]
> > Sent: Saturday, February 24, 2001 9:30 AM
> > To: [EMAIL PROTECTED]
> > Subject: Re: what is the average age of people in
> this stuff?
> >
> >
> > LOL!
> >
> > I am 36, and have the same problem, thank Cisco
> that they put a ? in the
> > IOS.
> >
> > Don't worry about it, most of the people I work
> (worked) with in the network
> > business are between 20-60 with the majority being
> in their 40's.
> >
> > They say that memory is the first thing to go, I
> just wish would have told
> > my body that!
> >
> > --
> > John Hardman CCNP MCSE+I
> >
> >
> > ""rtc"" <[EMAIL PROTECTED]> wrote in message
> > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > > I'm 40--am I getting too old for this stuff?
> Cant remember anything worth
> > a
> > > damn,
> > > especially the commands nd command syntax
> > >
> > > _
> > > FAQ, list archives, and subscription info:
> > http://www.groupstudy.com/list/cisco.html
> > > Report misconduct and Nondisclosure violations
> to [EMAIL PROTECTED]
> > >
> >
> >
> > _
> > FAQ, list archives, and subscription info:
> > http://www.groupstudy.com/list/cisco.html
> > Report misconduct and Nondisclosure violations to
> [EMAIL PROTECTED]
> >
> > _
> > FAQ, list archives, and subscription info:
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> >
>
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=
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RE: what is the average age of people in this stuff?

[Howard C. Berkowitz]

>If they think you are young, they will probably think I am still a baby
>being only 19.  I have my CCNA, 1/4 CCNP and actively seeking MCSE 2k.  I
>also have an AA degree and also seeking my bachelor degree in computer
>science.  I plan on getting my CCIE within the next few years.  I have
>worked with an internet company for more than three years now.  I have
>been told that I am impatient and immature, but I am not one to just sit
>around.  If anyone can help me dispel some of these notions I would be
>greatly thankful.  Also if someone veterans can give some pointers/tips on
>how to make it in this industry, that would also be helpful.  I hope all
>this hard work pays off!
>
>Dale


You're giving me interesting flashbacks, since I started around your 
age. This will be a rambling response that I hope has some useful 
points.

Speaking for myself only, I have to look back and say I was, at that 
age, impatient and immature.  But I also was more productive than 
many of my older peers, both as a writer/editor and as a programmer.

Not sure that I will articulate this well, but if I had 20/20 
hindsight, I would have been somewhat more proactive about the 
package I was selling to employers.  My first wife, who also was in 
the field, referred to me, in my early 20's, as someone that should 
be locked into a room, to which software specifications were slid 
under the door, raw zebra meat thrown into three times per day, and 
from which polished code would slide out of a different slot.

The irony was that I got into the more technical areas of computing 
via the publications/documentation track (admittedly, I had started 
in a different technical area), but didn't make use of these 
strengths until later in my career. It took me several years to 
understand that it was often less important (even in days where 
resources were really tight) to write extremely small yet cryptic 
code, that wasn't clearly documented for subsequent maintenance and 
testing. Admittedly, much of this insight was gained from the hot new 
field of software engineering and structured programming, which I 
tend to think really started with Dijkstra's 1968 (IIRC) paper "Go To 
Considered Harmful."  The absolutely best book from that period, 
which, while not specifically network-oriented but giving incredible 
insight into architecture vs. design vs. implementation, was Fred 
Brooks' _The Mythical Man-Month_.  This book recently was reissued in 
an updated edition.

In the aftershocks from the sixties, there were lots of "human 
potential movement" workshops available, which I found significantly 
improved my people skills without hurting my technical abilities. 
Leaping forward to the early eighties, I remember my first wife (she 
of the  raw zebra meat metaphor) commenting, in shock, that I was 
just as technical as I ever was, but that I had also become a GOOD 
manager.  In that role, I thought of my principal role as coach -- 
helping people that worked for me do their best.

There's an underlying message in lots of this, both from technical 
and people perspectives.  On this list, you'll see it expressed as 
"what problem are you trying to solve."  Something always to ask!

>
>
>On Mon, 26 Feb 2001, Mel Chandler PMI wrote:
>
>>  I'm 29 and all I ever hear about is how young I am (I guess youth is
>>  automatically associated with inexperience)  But I've been around.  I've
>>  done a four year tour in the Navy in the Advanced Electronics field as a
>>  Sonar Technician on a Submarine.  I've worked for some fortune 500 companies
>>  like Airtouch, IBM, Boeing, AST, Bergen Brunswick.  I have some certs to
>>  back me up, but no matter what I do, it just never seems to be enough...  Oh
>>  well, maybe after I have a PhD and CCIE I'll get someone to listen to me.
>>
>>  Mel L. Chandler, A+, Network+, MCNE, MCP+I, MCSE, CCNA
>>  [EMAIL PROTECTED]
>>  Network Analyst
>>  Information Services
>>  PMI Delta Dental
>>  (562) 467-6627
>>
>>
>>  -Original Message-
>  > From: John Hardman [mailto:[EMAIL PROTECTED]]
>>  Sent: Saturday, February 24, 2001 9:30 AM
>>  To: [EMAIL PROTECTED]
>>  Subject: Re: what is the average age of people in this stuff?
>>
>>
>>  LOL!
>>
>>  I am 36, and have the same problem, thank Cisco that they put a ? in the
>>  IOS.
>>
>>  Don't worry about it, most of the people I work (worked) with in the network
>>  business are between 20-60 with the majority being in their 40's.
>>
>>  They say that memory is the first thing to go, I just wish would have told
>>  my body that!
>>
>>  --
>>  John Hardman CCNP MCSE+I
>>
>>
>>  ""rtc"" <[EMAIL PROTECTED]> wrote in message
>>  [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
>>  > I'm 40--am I getting too old for this stuff? Cant remember anything worth
>>  a
>>  > damn,
>>  > especially the commands nd command syntax
>>  >
>>  > _
>>  > FAQ, list archives, and subscription info:
>>  http://www.groupstudy.com/list/cisco.html
>>  > Rep

Re: Starting on CCNP

[Tom Lisa]

For what its worth, the new Cisco CCNP Academy is going to teach the courses in the
following order:  BSCN, BCRAN, BCMSN & CIT.  Many people in past posts have indicated
that regardless of the order of the first three, you should take CIT last as it 
requires
knowledge & skills learned in the others.

Tom Lisa, Instructor, CCNA, CCAI
Community College of Southern Nevada
Cisco Regional Networking Academy

Paul Weinstein wrote:

> I was wondering the same thing, because of my current job I was looking at
> the possiblity of starting with the Cisco Internetworking Troubleshooting.
> I was encouraged to start with either the Routing, Switching, or Remote
> Access exams.  This is because the Support exam biuld off the first 3.  So I
> would recommend either of the first 3 in any order that you feel comfortable
> with and then after you have completed them, the Support exam.
>
> Hope that helps ya some.
>
> Paul Weinstein
> CCNA, MCSE, A+, Network+
>
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> Stuart J Pittwood
> Sent: Sunday, February 25, 2001 12:00 PM
> To: [EMAIL PROTECTED]
> Subject: Starting on CCNP
>
> I'm guessing that this has been asked a million times but I couldn't find it
> in the archives.  I recently passed 640-507, and now want to go onto do the
> CCNP, Does anyone have any opinions on which order it is best to do the
> exams?
>
> Also, I have a 2501,2516 & 803 from my CCNA are these going to be good
> enough to do most of the CCNP? I'm guessing they won't be good enough to do
> BCRAN, any suggestions for a cheap access server type router?
>
> Also any recomendations on books, I will get the Cisco Press books but am
> also looking at the McGraw Hill & Sybex books any comments.
>
> Thanks in advance
> __
> Stuart J Pittwood, CCNA
> [EMAIL PROTECTED]
> http://www.stuartpittwood.net
>
> _
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Re: ccbootcamp

[Howard C. Berkowitz]

>I used the nantech.com CCIE prep labs over the last week, and they seem
>closest to the real thing. The big advantage they have over the ccbootcamp
>labs is the way they are worded...The wording makes you think of the
>appropriate solution for any given task, as opposed to just asking you to
>configure specific features.
>
>Arinze

Your observation about the wording is fascinating.  I may be involved 
in setting up a commercial remote lab service, and, in any case, 
supervise scenario development for CertificationZone.  The problem 
you are describing also applies to practice exam development as well 
as lab practice.

It is my impression that the CCIE lab, at least, really does focus on 
specific features rather than best solution -- I'm thinking of 
comments I've heard such as static routes being forbidden in many 
scenarios.  Such a focus does make sense, in a way, for Cisco -- it's 
easier to train proctors to evaluate more constrained solutions.

But my own feeling is that scenarios that make you think about 
solutions are better from an educational standpoint -- definitely for 
real-world preparation, and secondarily for exam preparation.

What's the feeling of people on this list?  Do you prefer scenarios 
that mimic the lab as closely as possible (without violating NDA), 
scenarios that exercise problem analysis, or a mixture of the two 
with clear identification of the scenario designer's intention?  Am I 
representing the lab reality correctly?

>
>>From: "sparkest pig" <[EMAIL PROTECTED]>
>>Reply-To: "sparkest pig" <[EMAIL PROTECTED]>
>>To: [EMAIL PROTECTED]
>>Subject: ccbootcamp
>>Date: Sat, 24 Feb 2001 03:00:52
>>
>>I just wonder that how close is the ccbootcamp to the real exam?  i am
>>planning to write the lab exam and hope to get some lab practise. i heard
>>that lab 8 of the ccbootcamp is very challenging and is a good
>>representation of the real lab exam.  How about other lab of the
>>ccbootcamp?
>>And besides ccbootcamp, where can I get labs that are equally (or more)
>  >challeging?  Is fatkid also very challenging?

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RE: Windows NT DHCP with multiple Scopes

[Mel Chandler PMI]

I'm interested in this too.  In an emergency we setup three DHCP server, one
on each segment.  Since they're just workstations with no redundancy at all,
I'd like to setup one DHCP server on a fourth segment that has all our
servers and have the three segments forward their DHCP requests to the
server segment.  All four segments are on a Cabletron SSR8600.  Not sure how
to setup DHCP forwarding on it.  Also not sure how the DHCP server (NT) will
be able to tell and response to one segment versus another and give the
correct address.

-Original Message-
From: Hatim badr [mailto:[EMAIL PROTECTED]]
Sent: Monday, February 26, 2001 12:28 AM
To: [EMAIL PROTECTED]
Subject: Windows NT DHCP with multiple Scopes


Dear All, 

I'm using Windows NT DHCP server with 2 scopes in that server. I'm creating
2
VLANs. To be able to use the DHCP with this situation , I'm using 2 NIC card
,
one for each VLAN. 

I wonder if I can use only one NIC card and the IP HELPER ADDRESS with it!
given that I want to use the same structure, I mean each VLAN has its own
scope.

Thanks 

Hatim 



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Flashing a 2600 series by modem

[Ron Stark]

Hey gang,

I'm having trouble flashing a 2620 through a modem connection, any help would be
appreciated.

Ron


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ATM/LANE

[Lou Nelson]

I have an ATM cloud with LS1010s LS1015s and an 8540.  On my lane blade I
have the LES/BUSs and LECs configured

A long time ago... I was having problems with ATM director as part of CWSI
seeing the ATM cloud correctly.. Part of the FIX was stating VTP ENABLED on
the Lane Blades...  I recently was told that was a NO-NO... however no
reason given...  Can any shed any light on this?

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RE: Dial-Up Experts...

[Erick B.]

I did that way back when. Vic-20 to Atari as well. I
have a c64 and amiga 500 still, as well as a Commodore
datasette in the original target box with price tag
intact. 

--- Mel Chandler PMI <[EMAIL PROTECTED]> wrote:
> OMG, but I'd really be impressed if you connected a
> VIC-20 up to a TRS-80.
> 
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
> Sent: Sunday, February 25, 2001 10:01 AM
> To: Circusnuts
> Cc: [EMAIL PROTECTED]
> Subject: RE: Dial-Up Experts...
> 
> 
> I've done this with two modems and two computers...
> not trying to show my
> age but I connected a Kaypro 2X and a Commodore 128
> through their respective
> modems at 300 baud ;-) Pretty big feat back then...
> 
> Tim
> 
> > -Original Message-
> > From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of
> > Circusnuts
> > Sent: Sunday, February 25, 2001 3:50 PM
> > To: [EMAIL PROTECTED]
> > Subject: Dial-Up Experts...
> >
> >
> > Hey All- is there a way to simulate dial-up
> without going through the =
> > Telco (i.e. point to point, using no dial tone). 
> I'm practicing CCIE =
> > labs & have a few with dial scenario.  I wondered
> it I could do a call =
> > back without tying up two phone lines, say a modem
> off of my 2509 =
> > connected to another modem @ Aux of another
> router.
> >
> > Any advice would be greatly appreciated...
> >
> > Thanks
> > Phil


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RE: Dial-Up Experts... (completely off topic but I can't help it)

[Bob Johnson]

I didn't get to play at the high stakes tables (where the PDP-11 people sit)
but I do fondly recall the happy feeling of getting my SYM-1 talking to a
KIM-1 via serial connection.

The SYM-1 was really funky for it's time as it had a quasi video out that
would display a line of text on a oscilliscope's screen...
These computers came out after the boxes with all the paddle switches
(Altair8080) but before video was a "standard" item

Actually with the other thread about age I am starting to feel old..
Sniff


Bob


-Original Message-
From: Howard C. Berkowitz [mailto:[EMAIL PROTECTED]]
Sent: Monday, February 26, 2001 10:31 AM
To: [EMAIL PROTECTED]
Subject: RE: Dial-Up Experts...


I'll see your VIC-20 to Trash-80, and raise you PDP-8 to PDP-11.

>OMG, but I'd really be impressed if you connected a VIC-20 up to a TRS-80.
>
>-Original Message-
>From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
>Sent: Sunday, February 25, 2001 10:01 AM
>To: Circusnuts
>Cc: [EMAIL PROTECTED]
>Subject: RE: Dial-Up Experts...
>
>
>I've done this with two modems and two computers... not trying to show my
>age but I connected a Kaypro 2X and a Commodore 128 through their
respective
>modems at 300 baud ;-) Pretty big feat back then...
>
>Tim
>
>>  -Original Message-
>>  From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
>>  Circusnuts
>>  Sent: Sunday, February 25, 2001 3:50 PM
>>  To: [EMAIL PROTECTED]
>>  Subject: Dial-Up Experts...
>>
>>
>>  Hey All- is there a way to simulate dial-up without going through the =
>>  Telco (i.e. point to point, using no dial tone).  I'm practicing CCIE =
>>  labs & have a few with dial scenario.  I wondered it I could do a call =
>>  back without tying up two phone lines, say a modem off of my 2509 =
>>  connected to another modem @ Aux of another router.
>>
>>  Any advice would be greatly appreciated...
>>
>>  Thanks
>  > Phil

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RE: Dial-Up Experts... (completely off topic but I can't help it)

[Mask Of Zorro]

I actually still have my acoustic coupler...

Z

>From: Bob Johnson <[EMAIL PROTECTED]>
>Reply-To: Bob Johnson <[EMAIL PROTECTED]>
>To: "'Howard C. Berkowitz'" <[EMAIL PROTECTED]>, [EMAIL PROTECTED]
>Subject: RE: Dial-Up Experts... (completely off topic but I can't help it)
>Date: Mon, 26 Feb 2001 11:08:12 -0800
>
>I didn't get to play at the high stakes tables (where the PDP-11 people 
>sit)
>but I do fondly recall the happy feeling of getting my SYM-1 talking to a
>KIM-1 via serial connection.
>
>The SYM-1 was really funky for it's time as it had a quasi video out that
>would display a line of text on a oscilliscope's screen...
>These computers came out after the boxes with all the paddle switches
>(Altair8080) but before video was a "standard" item
>
>Actually with the other thread about age I am starting to feel old..
>Sniff
>
>
>Bob
>
>
>-Original Message-
>From: Howard C. Berkowitz [mailto:[EMAIL PROTECTED]]
>Sent: Monday, February 26, 2001 10:31 AM
>To: [EMAIL PROTECTED]
>Subject: RE: Dial-Up Experts...
>
>
>I'll see your VIC-20 to Trash-80, and raise you PDP-8 to PDP-11.
>
> >OMG, but I'd really be impressed if you connected a VIC-20 up to a 
>TRS-80.
> >
> >-Original Message-
> >From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
> >Sent: Sunday, February 25, 2001 10:01 AM
> >To: Circusnuts
> >Cc: [EMAIL PROTECTED]
> >Subject: RE: Dial-Up Experts...
> >
> >
> >I've done this with two modems and two computers... not trying to show my
> >age but I connected a Kaypro 2X and a Commodore 128 through their
>respective
> >modems at 300 baud ;-) Pretty big feat back then...
> >
> >Tim
> >
> >>  -Original Message-
> >>  From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> >>  Circusnuts
> >>  Sent: Sunday, February 25, 2001 3:50 PM
> >>  To: [EMAIL PROTECTED]
> >>  Subject: Dial-Up Experts...
> >>
> >>
> >>  Hey All- is there a way to simulate dial-up without going through the 
>=
> >>  Telco (i.e. point to point, using no dial tone).  I'm practicing CCIE 
>=
> >>  labs & have a few with dial scenario.  I wondered it I could do a call 
>=
> >>  back without tying up two phone lines, say a modem off of my 2509 =
> >>  connected to another modem @ Aux of another router.
> >>
> >>  Any advice would be greatly appreciated...
> >>
> >>  Thanks
> >  > Phil
>
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>
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RE: Dial-Up Experts... (completely off topic but I can't help it)

[Howard C. Berkowitz]

>I didn't get to play at the high stakes tables (where the PDP-11 people sit)
>but I do fondly recall the happy feeling of getting my SYM-1 talking to a
>KIM-1 via serial connection.
>
>The SYM-1 was really funky for it's time as it had a quasi video out that
>would display a line of text on a oscilliscope's screen...
>These computers came out after the boxes with all the paddle switches
>(Altair8080) but before video was a "standard" item
>
>Actually with the other thread about age I am starting to feel old..
>Sniff
>
>
>Bob


And military stuff. Never forget the military stuff.

I fondly remember a description of the KY-57 secure voice unit, which 
said its speech quality demonstrated symmetrical encryption.  Not 
symmetrical as in today's usage of public/private key, but in that 
the voice quality was the same whether you were listening to it with 
or without benefit of the key.

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Re: Flashing a 2600 series by modem

[Howard C. Berkowitz]

>Hey gang,
>
>I'm having trouble flashing a 2620 through a modem connection, any 
>help would be
>appreciated.
>
>Ron
>


Flashing it?  I have this sudden image of trying to signal an open 
raincoat over a modem connection.

:-)

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Two ISDN Sources connected to my router with one BRI port

[Magdy H. Ibrahim]

Hi All,
With a single BRI port on a Cisco router, can I have separate ISDN sources
accessing the router simultaneously?
Can any one tell me how to use of dialer profiles.
and how to configure one dialer interface per customer, and link them to the
BRI.
Please I need your help


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Aironet 340 Bridges

[Nodir Nazarov]

Hello, Wireless Experts,

what is the difference between Aironet 340 Bridge and Aironet 340
Workgroup bridge ? What is limitation of workgroup bridges ? As far as I
know they all use same antennaes...

Thanks,
Nodir

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Re: Cisco Network Design

[Kevin Wigle]

Perhaps you need a CCO login associated to a Reseller/Partner, not a client
CCO login.

I can get to the site and what I read on CCO is that the software/tool is
part of a course.

When you take the course - you get the tool.  The course is $435.

* * * * * * *
Training

In order to insure partner success and to maximize the benefit from Cisco
Network Designer, the software package has been bundled with training, which
is being offered through Global Knowledge for $435.00 per person.

* * * * * * * *

Then they want $995 a year for maintenance (per user) and I think the
Auto-Discover module is an additional $1995.

Anyway, don't think it can be downloaded from CCO.

Kevin Wigle

- Original Message -
From: "Mark Rose" <[EMAIL PROTECTED]>
To: "Cisco@Groupstudy. Com (E-mail)" <[EMAIL PROTECTED]>
Sent: Monday, February 26, 2001 11:39 AM
Subject: RE: Cisco Network Design


> I have a CCO login, but cannot get to this tool. It keeps on asking for a
> logon. Any ideas?
>
> TIA
> Mark
>
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> McCallum, Robert
> Sent: Monday, February 26, 2001 8:03 AM
> To: 'Ccielab' (E-mail); Cisco@Groupstudy. Com (E-mail)
> Subject: Cisco Network Design
>
>
> Does anyone out there use the Cisco Network Designer tool?  If so what are
> your views on it.
>
> Here is the link to view the actual tool.
>
> http://www.cisco.com/partner/cnd/inside.html
>
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CCIE checklist

[Jim K]

I am sorry to ask this question . But doesn anyone have a ccie checklist =
. I am trying to build a ccie prep checklist.

Please help if you can .



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Equipment for sale

[Croyle, James]

Good afternoon everyone.  3 items for sale, completed my CCNP and CCIE is a
while off.  ;-)  2501, 2521, and 2900 XL switch (16 port)

All pertinent details below, price $3300 includes insurance and shipping to
anywhere in the continental US.  Cashiers check or money orders only.  If
you are within 50 miles of Washington DC, I will bring it to you.



4 - back to back DCE/DTE cables
5 - 14 foot cat 5
3 - 2 foot cat 5
1 - 6 foot crossover cat 5
1 - console cable
1 - 10bT AUI transceiver



2501

Cisco Internetwork Operating System Software
IOS (tm) 2500 Software (C2500-J-L), Version 11.2(15a), RELEASE SOFTWARE
(fc1)
Copyright (c) 1986-1998 by cisco Systems, Inc.
Compiled Mon 24-Aug-98 00:42 by tmullins
Image text-base: 0x0303EFB8, data-base: 0x1000

ROM: System Bootstrap, Version 5.2(8a), RELEASE SOFTWARE
BOOTFLASH: 3000 Bootstrap Software (IGS-RXBOOT), Version 10.2(8a), RELEASE
SOFTW
ARE (fc1)

R2501 uptime is 1 minute
System restarted by power-on
System image file is "flash:c2500-j-l.112-15a", booted via flash

cisco 2500 (68030) processor (revision D) with 16384K/2048K bytes of memory.
Processor board ID 03270240, with hardware revision 
Bridging software.
SuperLAT software copyright 1990 by Meridian Technology Corp).
X.25 software, Version 2.0, NET2, BFE and GOSIP compliant.
TN3270 Emulation software.
1 Ethernet/IEEE 802.3 interface(s)
2 Serial network interface(s)
32K bytes of non-volatile configuration memory.
8192K bytes of processor board System flash (Read ONLY)

Configuration register is 0x2102



2521

Cisco Internetwork Operating System Software
IOS (tm) 3000 Software (IGS-I-L), Version 11.1(24), RELEASE SOFTWARE (fc1)
Copyright (c) 1986-1999 by cisco Systems, Inc.
Compiled Mon 04-Jan-99 19:00 by richv
Image text-base: 0x030206C0, data-base: 0x1000

ROM: System Bootstrap, Version 11.0(10c)XB1, PLATFORM SPECIFIC RELEASE
SOFTWARE
(fc1)
ROM: 3000 Bootstrap Software (IGS-BOOT-R), Version 11.0(10c)XB1, PLATFORM
SPECIF
IC RELEASE SOFTWARE (fc1)

R2521 uptime is 5 minutes
System restarted by power-on
System image file is "flash:igs-i-l.111-24", booted via flash

cisco 2521 (68030) processor (revision K) with 2048K/2048K bytes of memory.
Processor board ID 07079324, with hardware revision 0003
Bridging software.
X.25 software, Version 2.0, NET2, BFE and GOSIP compliant.
Basic Rate ISDN software, Version 1.0.
1 Token Ring/IEEE 802.5 interface.
2 Serial network interfaces.
2 Low-speed serial(sync/async) network interfaces.
1 ISDN Basic Rate interface.
32K bytes of non-volatile configuration memory.
4096K bytes of processor board System flash (Read ONLY)

Configuration register is 0x2102



2900

Cisco Internetwork Operating System Software
IOS (tm) C2900XL Software (C2900XL-H-M), Version 11.2(8)SA3, RELEASE
SOFTWARE (f
c1)
Copyright (c) 1986-1998 by cisco Systems, Inc.
Compiled Fri 11-Sep-98 17:00 by rheaton
Image text-base: 0x3000, data-base: 0x001C4910

ROM: Bootstrap program is C2900XL boot loader

S2900XL uptime is 2 minutes
System restarted by power-on
Running default software


cisco WS-C2916M-XL (PowerPC403GA) processor (revision 0x11) with 4096K/1024K
byt
es of memory.
Processor board ID FAA0312V082, with hardware revision 0x00
Board ID 0x0C
Last reset from power-on
16 Ethernet/IEEE 802.3 interface(s)

32K bytes of flash-simulated non-volatile configuration memory.
Base ethernet MAC Address: 00:50:E2:C3:16:40
Configuration register is 0xF

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RE: juniper and cisco

[Roger Sohn]

 Actually, that's not true anymore.  Cisco released their OC192 routers
about 3-4 weeks ago and it performs and scales better than Juniper's
routers.  

Juniper's equipment doesn't scale well and performance loss is experienced
under a full loaded node of interface cards.  Cisco's stuff doesn't do this
and because of their independent architecture and design, everything runs at
a carrier class level whether it has just one card or 8.  

Juniper was first to come out with the fastest backbone routers, but because
Cisco retains the carrier class reliability, performance, and
scalability...that's why it took them a bit longer.  I guess it's worth the
wait.  

-Original Message-
From: Dan West
To: Buri, Heather H; 'cslx'; '[EMAIL PROTECTED]'
Sent: 2/26/2001 8:06 AM
Subject: RE: juniper and cisco

For our company, Cisco does not yet provide reliable
products that scale to OC192 and beyond. Juniper
easily handles this for our backbone interfaces. I
don't work with it directly myself, but that's what
the higher-up engineers have told our group. :>

--- "Buri, Heather H" <[EMAIL PROTECTED]> wrote:
> From what I understand from people who work with
> large scale providers,
> Juniper is stronger in the Backbone.  I believe
> Cisco is probably still the
> best for overall Enterprise products.
> 
> Heather Buri
> 
> -Original Message-
> From: cslx [mailto:[EMAIL PROTECTED]]
> Sent: Monday, February 26, 2001 5:56 AM
> To: [EMAIL PROTECTED]
> Subject: juniper and cisco
> 
> 
> it is said that the core technology of juniper is
> better than cisco now,it
> that true?
> 
> 
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=
from The Big Lebowski...

The Dude: You sure he won't mind?
Bunny: Dieter doesn't care about anything. He's a nihilist.
The Dude: Ohhh, that must be exhausting...

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Re: ccbootcamp

[Donald B Johnson Jr]

A vote a mixture
Don
- Original Message -
From: Howard C. Berkowitz <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, February 26, 2001 10:39 AM
Subject: Re: ccbootcamp


> >I used the nantech.com CCIE prep labs over the last week, and they seem
> >closest to the real thing. The big advantage they have over the
ccbootcamp
> >labs is the way they are worded...The wording makes you think of the
> >appropriate solution for any given task, as opposed to just asking you to
> >configure specific features.
> >
> >Arinze
>
> Your observation about the wording is fascinating.  I may be involved
> in setting up a commercial remote lab service, and, in any case,
> supervise scenario development for CertificationZone.  The problem
> you are describing also applies to practice exam development as well
> as lab practice.
>
> It is my impression that the CCIE lab, at least, really does focus on
> specific features rather than best solution -- I'm thinking of
> comments I've heard such as static routes being forbidden in many
> scenarios.  Such a focus does make sense, in a way, for Cisco -- it's
> easier to train proctors to evaluate more constrained solutions.
>
> But my own feeling is that scenarios that make you think about
> solutions are better from an educational standpoint -- definitely for
> real-world preparation, and secondarily for exam preparation.
>
> What's the feeling of people on this list?  Do you prefer scenarios
> that mimic the lab as closely as possible (without violating NDA),
> scenarios that exercise problem analysis, or a mixture of the two
> with clear identification of the scenario designer's intention?  Am I
> representing the lab reality correctly?
>
> >
> >>From: "sparkest pig" <[EMAIL PROTECTED]>
> >>Reply-To: "sparkest pig" <[EMAIL PROTECTED]>
> >>To: [EMAIL PROTECTED]
> >>Subject: ccbootcamp
> >>Date: Sat, 24 Feb 2001 03:00:52
> >>
> >>I just wonder that how close is the ccbootcamp to the real exam?  i am
> >>planning to write the lab exam and hope to get some lab practise. i
heard
> >>that lab 8 of the ccbootcamp is very challenging and is a good
> >>representation of the real lab exam.  How about other lab of the
> >>ccbootcamp?
> >>And besides ccbootcamp, where can I get labs that are equally (or
more)
> >  >challeging?  Is fatkid also very challenging?
>
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RE: Flashing a 2600 series by modem

[Christopher Larson]

Is the remote negotiating a ppp session or is it a straight serial
connection? If you are dialing in directly w/o ppp then you will most likely
want to do a reload and a break to get into rommon and then issue the
command xmodem  (or whatever it is) and upload the new IOS. If you go this
route, change the speed of the console or aux port first so you are not
uploading an entire image across a 9600 baud port. This will of course take
much longer then a tftp upload, and there will be more downtime.

-Original Message-
From: Ron Stark [mailto:[EMAIL PROTECTED]]
Sent: Monday, February 26, 2001 1:49 PM
To: [EMAIL PROTECTED]
Subject: Flashing a 2600 series by modem


Hey gang,

I'm having trouble flashing a 2620 through a modem connection, any help
would be
appreciated.

Ron


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Can someone interpret this please? - an Update

[Kevin Wigle]

Group,

An update on that late-collision issue I brought to the list a while back.

Finally got to talk to a tech with my ISP today and we worked through the
circuit.

It seems the half-duplex / full-duplex answer wins the prize.

At first they tried to get me to verify my router's settings and as I have
done many times before, a sh int e0/1 indicated that the interface was not
full-duplex.

But he wanted me to give a command to change it to half-duplex "just to see
what happens".

But I suggested he do it on his end first - "just to see what happens".

In the meanwhile we were monitoring the router interface with sh int and
observing console errors.
The console was constantly spewing out transmit errors - late collision.

The sniffer was seeing significant alignment errors.

Anyway, he "does something" and immediately the console stops scrolling
errors.

amazing..

So, we're going to stress this circuit a bit before letting them close the
ticket.

It seems they paid more attention when we said we had a sniffer on the line.

thanks for all the responses!

Kevin Wigle



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RE: what is the average age of people in this stuff?

[Roger Sohn]

 I commend you on your attitude and experience accumlated.  My advice to you
is to continue to rock on.  I am 24 and I've been working in this field for
about 4 years now (I'm still working on a BS) as a Network Engineer with
CCNA and working towards my CCNP.  

What I learned from others is that if you really want something and want to
push yourself ahead and faster above others...continue to go after it
instead of waiting around for it to happen.  

I know for sure that it has paid off for meSpending the regular 8 hours
a day with your work and any overtime outside of that does go to my higher
learning and self-studies.  It's the only reason why I've moved up so fast
and have gone so far.  Do it now while you don't have a wife and kids to
worry about.  =)


-Original Message-
From: Dale Frohman
To: Mel Chandler PMI
Cc: [EMAIL PROTECTED]
Sent: 2/26/2001 9:43 AM
Subject: RE: what is the average age of people in this stuff?

If they think you are young, they will probably think I am still a baby
being only 19.  I have my CCNA, 1/4 CCNP and actively seeking MCSE 2k.
I
also have an AA degree and also seeking my bachelor degree in computer
science.  I plan on getting my CCIE within the next few years.  I have
worked with an internet company for more than three years now.  I have
been told that I am impatient and immature, but I am not one to just sit
around.  If anyone can help me dispel some of these notions I would be
greatly thankful.  Also if someone veterans can give some pointers/tips
on
how to make it in this industry, that would also be helpful.  I hope all
this hard work pays off!

Dale


On Mon, 26 Feb 2001, Mel Chandler PMI wrote:

> I'm 29 and all I ever hear about is how young I am (I guess youth is
> automatically associated with inexperience)  But I've been around.
I've
> done a four year tour in the Navy in the Advanced Electronics field as
a
> Sonar Technician on a Submarine.  I've worked for some fortune 500
companies
> like Airtouch, IBM, Boeing, AST, Bergen Brunswick.  I have some certs
to
> back me up, but no matter what I do, it just never seems to be
enough...  Oh
> well, maybe after I have a PhD and CCIE I'll get someone to listen to
me.
> 
> Mel L. Chandler, A+, Network+, MCNE, MCP+I, MCSE, CCNA
> [EMAIL PROTECTED]
> Network Analyst
> Information Services
> PMI Delta Dental
> (562) 467-6627
> 
> 
> -Original Message-
> From: John Hardman [mailto:[EMAIL PROTECTED]]
> Sent: Saturday, February 24, 2001 9:30 AM
> To: [EMAIL PROTECTED]
> Subject: Re: what is the average age of people in this stuff?
> 
> 
> LOL!
> 
> I am 36, and have the same problem, thank Cisco that they put a ? in
the
> IOS.
> 
> Don't worry about it, most of the people I work (worked) with in the
network
> business are between 20-60 with the majority being in their 40's.
> 
> They say that memory is the first thing to go, I just wish would have
told
> my body that!
> 
> --
> John Hardman CCNP MCSE+I
> 
> 
> ""rtc"" <[EMAIL PROTECTED]> wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > I'm 40--am I getting too old for this stuff? Cant remember anything
worth
> a
> > damn,
> > especially the commands nd command syntax
> >
> > _
> > FAQ, list archives, and subscription info:
> http://www.groupstudy.com/list/cisco.html
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[EMAIL PROTECTED]
> >
> 
> 
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Re: Starting on CCNP

[Donald B Johnson Jr]

I did CCNA BCMSN, CIT, BCRAN, CCDA, CID, BSCN.
This made most sense to me and I passed with flying colors.
Don
- Original Message -
From: Tom Lisa <[EMAIL PROTECTED]>
To: Paul Weinstein <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Monday, February 26, 2001 10:40 AM
Subject: Re: Starting on CCNP


> For what its worth, the new Cisco CCNP Academy is going to teach the
courses in the
> following order:  BSCN, BCRAN, BCMSN & CIT.  Many people in past posts
have indicated
> that regardless of the order of the first three, you should take CIT last
as it requires
> knowledge & skills learned in the others.
>
> Tom Lisa, Instructor, CCNA, CCAI
> Community College of Southern Nevada
> Cisco Regional Networking Academy
>
> Paul Weinstein wrote:
>
> > I was wondering the same thing, because of my current job I was looking
at
> > the possiblity of starting with the Cisco Internetworking
Troubleshooting.
> > I was encouraged to start with either the Routing, Switching, or Remote
> > Access exams.  This is because the Support exam biuld off the first 3.
So I
> > would recommend either of the first 3 in any order that you feel
comfortable
> > with and then after you have completed them, the Support exam.
> >
> > Hope that helps ya some.
> >
> > Paul Weinstein
> > CCNA, MCSE, A+, Network+
> >
> > -Original Message-
> > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> > Stuart J Pittwood
> > Sent: Sunday, February 25, 2001 12:00 PM
> > To: [EMAIL PROTECTED]
> > Subject: Starting on CCNP
> >
> > I'm guessing that this has been asked a million times but I couldn't
find it
> > in the archives.  I recently passed 640-507, and now want to go onto do
the
> > CCNP, Does anyone have any opinions on which order it is best to do the
> > exams?
> >
> > Also, I have a 2501,2516 & 803 from my CCNA are these going to be good
> > enough to do most of the CCNP? I'm guessing they won't be good enough to
do
> > BCRAN, any suggestions for a cheap access server type router?
> >
> > Also any recomendations on books, I will get the Cisco Press books but
am
> > also looking at the McGraw Hill & Sybex books any comments.
> >
> > Thanks in advance
> > __
> > Stuart J Pittwood, CCNA
> > [EMAIL PROTECTED]
> > http://www.stuartpittwood.net
> >
> > _
> > FAQ, list archives, and subscription info:
> > http://www.groupstudy.com/list/cisco.html
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> >
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RE: CCIE checklist

[TALBOT, WILLIAM P (SWBT)]

Try this,

http://www.cisco.com/warp/public/625/ccie/exam_preparation/preparation.html#
1

There will be links to the requirements for the CCIE certifications
including the blueprint.

Good Luck,

Pat

-Original Message-
From: Jim K [mailto:[EMAIL PROTECTED]]
Sent: Monday, February 26, 2001 1:50 PM
To: [EMAIL PROTECTED]
Subject: CCIE checklist


I am sorry to ask this question . But doesn anyone have a ccie checklist =
. I am trying to build a ccie prep checklist.

Please help if you can .



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RE: Flashing a 2600 series by modem

[Ron Stark]

Christopher, This is a remote session to a WAN router in Boston. This session is
without PPP, the error I'm getting is "%opening xmodem, read only file system."




Christopher Larson <[EMAIL PROTECTED]> on 02/26/2001 12:18:21 PM

To:   Ron Stark/SanDiego/Cymer@Cymer, [EMAIL PROTECTED]
cc:
Subject:  RE: Flashing a 2600 series by modem



Is the remote negotiating a ppp session or is it a straight serial
connection? If you are dialing in directly w/o ppp then you will most likely
want to do a reload and a break to get into rommon and then issue the
command xmodem  (or whatever it is) and upload the new IOS. If you go this
route, change the speed of the console or aux port first so you are not
uploading an entire image across a 9600 baud port. This will of course take
much longer then a tftp upload, and there will be more downtime.

-Original Message-
From: Ron Stark [mailto:[EMAIL PROTECTED]]
Sent: Monday, February 26, 2001 1:49 PM
To: [EMAIL PROTECTED]
Subject: Flashing a 2600 series by modem


Hey gang,

I'm having trouble flashing a 2620 through a modem connection, any help
would be
appreciated.

Ron


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Convergence time 6509-6509-3524

[Timo Graser]

I have 2 6509 in the Core Layer, 2 in the Distribution Layer, and 3524s in
the Access-Layer.
All 6509 with Layer 3. All links redundand with Gigabit
My Question is:
How long is the Convergence time if a link fails?
Routing Protocol EIGRP or OSPF.

65096509   Core
  |  \/  |
 6509 6509 Distribution
  |  \/  |
3524   3524Access(50 Switches)

thx

Timo

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Re: Flashing a 2600 series by modem

[Ron Stark]

If I can't get it working, "Flashing" will be more akin to "Flash Bang grenades"




"Howard C. Berkowitz" <[EMAIL PROTECTED]> on 02/26/2001 11:26:54 AM

Please respond to "Howard C. Berkowitz" <[EMAIL PROTECTED]>

To:   [EMAIL PROTECTED]
cc:(bcc: Ron Stark/SanDiego/Cymer)
Subject:  Re: Flashing a 2600 series by modem



>Hey gang,
>
>I'm having trouble flashing a 2620 through a modem connection, any
>help would be
>appreciated.
>
>Ron
>


Flashing it?  I have this sudden image of trying to signal an open
raincoat over a modem connection.

:-)

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Re: Can someone interpret this please? - an Update

[John Neiberger]

I don't remember this thread, but I wanted to chime in.  This one time
(at band camp) we had a file server connected to a hub, but someone set
the server to full duplex.  This was wreaking all sorts of havoc on the
LAN.  I noticed the large number of late collisions but I didn't know
what that indicated.  Thanks to someone on this list, I checked the
duplex settings and voila, that was it.

I've read many times that late collisions are often caused by extra
long ethernet cables, but I've never experienced that.  I have, however,
experienced the duplex-caused late collisions many times.  I have to
keep a close eye on the LAN guys around here.  

>>> "Kevin Wigle" <[EMAIL PROTECTED]> 2/26/01 12:59:01 PM >>>
Group,

An update on that late-collision issue I brought to the list a while
back.

Finally got to talk to a tech with my ISP today and we worked through
the
circuit.

It seems the half-duplex / full-duplex answer wins the prize.

At first they tried to get me to verify my router's settings and as I
have
done many times before, a sh int e0/1 indicated that the interface was
not
full-duplex.

But he wanted me to give a command to change it to half-duplex "just to
see
what happens".

But I suggested he do it on his end first - "just to see what
happens".

In the meanwhile we were monitoring the router interface with sh int
and
observing console errors.
The console was constantly spewing out transmit errors - late
collision.

The sniffer was seeing significant alignment errors.

Anyway, he "does something" and immediately the console stops
scrolling
errors.

amazing..

So, we're going to stress this circuit a bit before letting them close
the
ticket.

It seems they paid more attention when we said we had a sniffer on the
line.

thanks for all the responses!

Kevin Wigle



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Re: Flashing a 2600 series by modem

[John Neiberger]

>  >Hey gang,
>  >
>  >I'm having trouble flashing a 2620 through a modem connection, any 
>  >help would be
>  >appreciated.
>  >
>  >Ron
>  >
>  
>  
>  Flashing it?  I have this sudden image of trying to signal an open 
>  raincoat over a modem connection.
>  
>  :-)
>  

That gives an entirely new meaning to modem handshaking!  

If this were TCP, what would be the proper response to that signal, a
sin-ack?

Off-topic, but speaking of connection-oriented protocols, this just made me
think of my relationship with my wife as a PPP connection:  I keep sending
CONFREQ but receive lots and lots of CONFREJ AND CONFNAK. 

I'm glad she doesn't read this list.  :-)

John





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RE: Cisco Network Design

[Steve Smith]

I have both logins and only the reseller login will work. Kevin is
correct.

Steve

-Original Message-
From: Kevin Wigle [mailto:[EMAIL PROTECTED]]
Sent: Monday, February 26, 2001 1:42 PM
To: Mark Rose; Cisco@Groupstudy. Com (E-mail)
Subject: Re: Cisco Network Design


Perhaps you need a CCO login associated to a Reseller/Partner, not a
client
CCO login.

I can get to the site and what I read on CCO is that the software/tool
is
part of a course.

When you take the course - you get the tool.  The course is $435.

* * * * * * *
Training

In order to insure partner success and to maximize the benefit from
Cisco
Network Designer, the software package has been bundled with training,
which
is being offered through Global Knowledge for $435.00 per person.

* * * * * * * *

Then they want $995 a year for maintenance (per user) and I think the
Auto-Discover module is an additional $1995.

Anyway, don't think it can be downloaded from CCO.

Kevin Wigle

- Original Message -
From: "Mark Rose" <[EMAIL PROTECTED]>
To: "Cisco@Groupstudy. Com (E-mail)" <[EMAIL PROTECTED]>
Sent: Monday, February 26, 2001 11:39 AM
Subject: RE: Cisco Network Design


> I have a CCO login, but cannot get to this tool. It keeps on asking
for a
> logon. Any ideas?
>
> TIA
> Mark
>
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> McCallum, Robert
> Sent: Monday, February 26, 2001 8:03 AM
> To: 'Ccielab' (E-mail); Cisco@Groupstudy. Com (E-mail)
> Subject: Cisco Network Design
>
>
> Does anyone out there use the Cisco Network Designer tool?  If so what
are
> your views on it.
>
> Here is the link to view the actual tool.
>
> http://www.cisco.com/partner/cnd/inside.html
>
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RE: juniper and cisco

[Dan West]

Wow, 3-4 weeks and I'm behind the times already ;>

It doesn't hurt that Cisco can just purchase other
companies' products and make them their own. I'm not
sure about this case, but I know that the Catalyst
switch series was purchased (the whole company?) by
Cisco and the same with Aeronet ( the wireless lan
device ).

--- Roger Sohn <[EMAIL PROTECTED]> wrote:
>  Actually, that's not true anymore.  Cisco released
> their OC192 routers
> about 3-4 weeks ago and it performs and scales
> better than Juniper's
> routers.  
> 
> Juniper's equipment doesn't scale well and
> performance loss is experienced
> under a full loaded node of interface cards. 
> Cisco's stuff doesn't do this
> and because of their independent architecture and
> design, everything runs at
> a carrier class level whether it has just one card
> or 8.  
> 
> Juniper was first to come out with the fastest
> backbone routers, but because
> Cisco retains the carrier class reliability,
> performance, and
> scalability...that's why it took them a bit longer. 
> I guess it's worth the
> wait.  
> 
> -Original Message-
> From: Dan West
> To: Buri, Heather H; 'cslx'; '[EMAIL PROTECTED]'
> Sent: 2/26/2001 8:06 AM
> Subject: RE: juniper and cisco
> 
> For our company, Cisco does not yet provide reliable
> products that scale to OC192 and beyond. Juniper
> easily handles this for our backbone interfaces. I
> don't work with it directly myself, but that's what
> the higher-up engineers have told our group. :>
> 
> --- "Buri, Heather H" <[EMAIL PROTECTED]>
> wrote:
> > From what I understand from people who work with
> > large scale providers,
> > Juniper is stronger in the Backbone.  I believe
> > Cisco is probably still the
> > best for overall Enterprise products.
> > 
> > Heather Buri
> > 
> > -Original Message-
> > From: cslx [mailto:[EMAIL PROTECTED]]
> > Sent: Monday, February 26, 2001 5:56 AM
> > To: [EMAIL PROTECTED]
> > Subject: juniper and cisco
> > 
> > 
> > it is said that the core technology of juniper is
> > better than cisco now,it
> > that true?
> > 
> > 
> > _
> > FAQ, list archives, and subscription info:
> > http://www.groupstudy.com/list/cisco.html
> > Report misconduct and Nondisclosure violations to
> > [EMAIL PROTECTED]
> > 
> > _
> > FAQ, list archives, and subscription info:
> > http://www.groupstudy.com/list/cisco.html
> > Report misconduct and Nondisclosure violations to
> [EMAIL PROTECTED]
> 
> 
> =
> from The Big Lebowski...
> 
> The Dude: You sure he won't mind?
> Bunny: Dieter doesn't care about anything. He's a
> nihilist.
> The Dude: Ohhh, that must be exhausting...
> 
> __
> Do You Yahoo!?
> Get email at your own domain with Yahoo! Mail. 
> http://personal.mail.yahoo.com/
> 
> _
> FAQ, list archives, and subscription info:
> http://www.groupstudy.com/list/cisco.html
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> 


=
from The Big Lebowski...

The Dude: You sure he won't mind?
Bunny: Dieter doesn't care about anything. He's a nihilist.
The Dude: Ohhh, that must be exhausting...

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Do You Yahoo!?
Get email at your own domain with Yahoo! Mail. 
http://personal.mail.yahoo.com/

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RE: Lou Rossi's Token Ring paper

[Priscilla Oppenheimer]

I'm coming into this discussion late, but without any context I think it's 
pretty clear that Token Ring is a logical ring. Each station acts like a 
bit repeater, taking in bits from the upstream neighbor and sending bits to 
the downstream neighbor. When sending a frame, a station waits for its own 
bits to come back around. The sender strips its bits from the ring to keep 
them from rotating forever. Token Ring requires a closed loop system for 
this to work correctly.

With a logical bus, on the other hand, a station sends its bits and the 
bits radiate out to both ends of the line. Terminators at the end of the 
physical bus stop the frame from bouncing back. Each station hears the bits 
without any need for relaying of bits from upstream to downstream. The 
sender never sees its bits come back (unless there's a problem).

Token Ring is cabled as a star. Each device connects to a MAU. Inside the 
MAU, ring in and ring out either loop to each other or connect other MAUs. 
If you take it all apart, it's still a ring. But from the human point of 
view, we cable the ring as a star, not a circle of connected computers.

We would have to ask Lou Rossi what he meant by his statement that Token 
Ring is a logical bus. It's either a typo or he has some unique way of 
explaining things.

Priscilla


At 08:29 AM 2/26/01, Nigel van Tura wrote:
>But Bradley
>
>If we connect all to the MAU as a central hub then it becomes a physical
>star and a logical ring inside the MAU.
>
>Or what ?
>Nigel van Tura
>
>-Original Message-
>From: Bradley J. Wilson [mailto:[EMAIL PROTECTED]]
>Sent: 24 February 2001 01:50
>To: cisco
>Subject: Lou Rossi's Token Ring paper
>
>
>I'm sitting here reading Lou Rossi's Token Ring paper, and right off the bat
>I have a question:
>
>He says that token ring is "a physical ring and a logical bus" - but isn't
>this backward?  Isn't it a physical bus and a logical ring?  We're not
>physically connecting stations together in a ring - they're all plugged into
>a MAU and the "ring" is a logical entity inside the MAU, isn't it?
>
>Thanks in advance,
>
>BJ




Priscilla Oppenheimer
http://www.priscilla.com

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Re: Convergence time 6509-6509-3524

[Scott M. Trieste]

If you are running HSRP, your failover time should be almost instantaneous.

If you are letting EIGRP/OSPF handle your redunancy, I'd say <60secs is a
good estimation, barring your 4 6509's are the only layer 3 devices on your
infrastructure.


"Timo Graser" <[EMAIL PROTECTED]> wrote in message
B9FA35776B31D411A5DA00104B2BC0390DCEA6@fileserver">news:B9FA35776B31D411A5DA00104B2BC0390DCEA6@fileserver...
> I have 2 6509 in the Core Layer, 2 in the Distribution Layer, and 3524s in
> the Access-Layer.
> All 6509 with Layer 3. All links redundand with Gigabit
> My Question is:
> How long is the Convergence time if a link fails?
> Routing Protocol EIGRP or OSPF.
>
> 65096509   Core
>   |  \/  |
>  6509 6509 Distribution
>   |  \/  |
> 3524   3524Access(50 Switches)
>
> thx
>
> Timo
>
> _
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http://www.groupstudy.com/list/cisco.html
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Flash Memory for Cisco 1005..

[CiScO]

Are there any alternative and cheaper brand for Flash memory for Cisco 1005?
The one's by Smart Media for 4MB sells for around 75.00. Any info would be
helpful. Thanks!


--
Joe N., CCNA
Teligent NOC Data Engineer 1





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LAN-WAN Diagrams

[CCIE1951]

Does anyone know where there are good diagrams of different LAN-WAN 
configurations on the internet, for free of course.

TIA,

Jess

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