Re: Router ID in OSPF

[Raghavan K]

Hi,
The loopback IP address configured will be the Router ID even if it is less
than the IP address on the active interface. 
This is because the loop back interface will not go down as the physical
interface.

Raghavan

At 02:24 PM 12/22/00 +0800, you wrote:
>Hi everybody:
>I am study BSCN,there are something confused me:
>in the book they says:The highest IP address on an active interface is
>normally used as the router ID, but this can be overridden by configuring an
>IP address on a loopback interface.
>I want to know which will be the Router ID if the loopback IP address
>smaller than the active interface IP address?
>Any suggestion will be appreciate,thanks.
>
>Will Guan
>frome Peking, China
>
>
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thanks

[karthikeyan]

Hi Group,
Thanks for your replies,

Merry Cristmas and Happy new year.

Regards,
Karthi

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RE: Access List/EIGRP Problem

[Stephen Skinner]

your access-list is the wrong way round ..you have a deny host any any 
I.E your 0.0.0.0 is treated as a any any  then the permit
if oyu put them the other way round it should work

>From: "Stull, Cory" <[EMAIL PROTECTED]>
>Reply-To: "Stull, Cory" <[EMAIL PROTECTED]>
>To: "'Edward Gomez'" <[EMAIL PROTECTED]>,"'[EMAIL PROTECTED]'" 
>  <[EMAIL PROTECTED]>
>Subject: RE: Access List/EIGRP Problem
>Date: Tue, 19 Dec 2000 09:05:07 -0600
>
>Edward,
>
>Without seeing your whole config we can't be positive but your probably 
>also
>blocking your EIGRP hellos.   You might want to go with distribute-list
>anyway.   Go to cisco.com and lookup distribute-list and go to the link on
>using it with EIGRP.
>
>Good luck
>Cory
>
>-Original Message-
>From: Edward Gomez [mailto:[EMAIL PROTECTED]]
>Sent: Tuesday, December 19, 2000 8:30 AM
>To: '[EMAIL PROTECTED]'
>Subject: Access List/EIGRP Problem
>
>
>Hi everybody,
>
>I am having an issue with the following access list. I am trying to put an
>ACL on my frame router that can limit which network inside my company a
>partner
>can access. I basically want any traffic coming from 192.168.50.0 to be 
>able
>to go to 192.168.5.0. When I apply the access list nothing gets through.
>If I ping a remote address I get a TTL expired in transit. I am running
>EIGRP between the routers. Do I need to have an access list that allows
>access to the LAN side for EIGRP updates? or is this done via the WAN port?
>What am I doing wrong here??
>
>
>ip access-list extended FrameInbound
>deny   ip host 0.0.0.0 any
>permit ip 192.168.50.0 0.0.0.255 192.168.5.0 0.0.0.255
>
>I have also tried: permit ip 192.168.50.0 0.0.0.255 host 192.168.5.0 and
>that did not work either.
>
>Thanks in advance!!!
>
>Eddie
>--
>Edward J. Gomez, MCSE, CNE, CCNA
>Information Systems Manager
>ProxyMed, Inc
>2555 Davie Road,
>Suite 110
>Fort Lauderdale, Florida 33317
>(954) 473-1001 x315
>http://www.proxymed.com
>
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question about BCMSN!!

[Li Song]

In STP, which is true about forward delay timer ?
two choice :
1. the time a port spend in learning mode
2. the total time a port spend in learning and listening
mode.
which on is right ???



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Copy - Chuck Larrieu

[postoffice]

Hello! Here's a copy of the Blue Mountain greeting card you sent to: 


Chuck Larrieu at [EMAIL PROTECTED]
http://www1.bluemountain.com/cards/boxa223548i3/sbgxe9bketjkyzs.html





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Re: VoIP: Need help

[naasei]

Try the following link 
http://www.cisco.com/warp/public/793/voip/


Larry Osei-Kwaku

--- Ishtiaque Mahbub <[EMAIL PROTECTED]> wrote:
> Hello People!
> 
> Need your valued advice.
> 
> VoIP, though frequently heard, I have never had the
> opportunity to work on 
> it. Books are rare here in Bangladesh and only
> source of information is the 
> Internet.
> So could anyone please let me know the useful
> resources on the web(just want 
> to be familiar with the technology). My requirement
> is simple:
> 1.What is the underlying technology of VoIP?
> 2.What sort of Cisco Hardware do I need?
> Thank you in anticipating.
> Merry Christmas and happy New Year to you all.
> 
> Regards
> 
> Ishtiaque
> 
>
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> 


=
"Wear a smile and have friends; wear a scowl and  have wrinkles."
  - George Eliot

"the greatest glory is not in never falling, but rising up each time we fall."

"The greatest man is not he who does not fall but he who falls and rises again to win"

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Re: question about BCMSN!!

[thangs]

The forward delay is the time the port takes to transit from listen to learn
or from learn to forward.

fwd-delay = llisten -> learn

or

fwd delay = learn-->forward .

default forward delay is 15 sec ,

which means the total time the switch spends in listening and learning is 30
sec (15+15)

Thanks / Thangavel










To accomplish great things, we must dream as well as act.



Li Song <[EMAIL PROTECTED]> wrote in message
91vbue$44d$[EMAIL PROTECTED]">news:91vbue$44d$[EMAIL PROTECTED]...
> In STP, which is true about forward delay timer ?
> two choice :
> 1. the time a port spend in learning mode
> 2. the total time a port spend in learning and listening
> mode.
> which on is right ???
>
>
>
> _
> 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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Network Diagram Skills

[a]

Are there any good resources for drawing network diagrams quickly in a
systematic fashion? Aaron Dixon mentioned he tried to perfect these skills
before taking the lab.
Thanks.



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can u route in boot mode?

[a]

I have recently read that you can not route while in boot mode (0x101). I
have a 7000 router and am able to route in boot mode just fine? what gives?
thx a bunch.


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what is a CSU/DSU?

[Zhiping Li]

Hi,ciscoer:

when I study cisco ccnp,
I always find CSU/DSU,
what are them?
what are their use?
Are they some kind of MODEM?
thanks .

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CCDA exam

[Hunt]

Does anyone knows what books I should get for CCDA exam? Thanks so much
for your help in advance, and have a happy Merry Christmas!!!

Hunt   =^o^=

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Re: what is a CSU/DSU?

[JCoyne]

WTF! Troll!

Zhiping Li <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Hi,ciscoer:
>
> when I study cisco ccnp,
> I always find CSU/DSU,
> what are them?
> what are their use?
> Are they some kind of MODEM?
> thanks .
>
> __
> Do You Yahoo!?
> Yahoo! Shopping - Thousands of Stores. Millions of Products.
> http://shopping.yahoo.com/
>
> _
> 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 difference between tacas+ and radius

[JCoyne]

In Short, TACACS+ uses TCP and RADIUS uses UDP

"David Nie" <[EMAIL PROTECTED]> wrote in message
91v4j7$ni7$[EMAIL PROTECTED]">news:91v4j7$ni7$[EMAIL PROTECTED]...
> Hi, all
>
> Could you please tell me the difference of tacas+ and radius server?
>
> --
> David Nie
>
>
>
>
> _
> 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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Merry Christmas

[cgs]

Dear all helpful souls in the list,

I wish you a very Merry Christmas and Happy New year!

S.Kalidasan

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re: what is a CSU/DSU?

[netlinesys]

Zhiping,

If u know the basic of networking , u can answer this question !!??
I found it difficult for CCNP candidate to ask this question.

- Original Message -
From: "Zhiping Li" <[EMAIL PROTECTED]>
Newsgroups: groupstudy.cisco
Sent: Friday, December 22, 2000 12:37 PM
Subject: what is a CSU/DSU?


> Hi,ciscoer:
>
> when I study cisco ccnp,
> I always find CSU/DSU,
> what are them?
> what are their use?
> Are they some kind of MODEM?
> thanks .
>



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Re: what is a CSU/DSU?

[Kenneth Lorenzo]

a really basic description of a CSU/DSU: A really expensive modem (per
Cisco).

Seriously, CSUs are used by providers to send signals to your line mostly
for troubleshooting or diagnostic purposes (among others).

A DSU changes Analog signal to Digital signal before it goes into an access
server or a router.

Like I said, these are basic functions but there are a million other things
that it does.

Zhiping Li <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Hi,ciscoer:
>
> when I study cisco ccnp,
> I always find CSU/DSU,
> what are them?
> what are their use?
> Are they some kind of MODEM?
> thanks .
>
> __
> Do You Yahoo!?
> Yahoo! Shopping - Thousands of Stores. Millions of Products.
> http://shopping.yahoo.com/
>
> _
> 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: question about BCMSN!!

[Ole Drews Jensen]

The correct answer to that one is 1.

The Forward Delay timer is also used for the Listening Mode.

Therefore, the total time a port spend in Learning and Listening Mode is
Forward Delay X 2.

HTH,

Ole


 Ole Drews Jensen
 Systems Network Manager
 CCNA, MCSE, MCP+I
 RWR Enterprises, Inc.
 [EMAIL PROTECTED]
 http://www.oledrews.com/ccnp

 NEED A JOB ???
 http://www.oledrews.com/job




-Original Message-
From: Li Song [mailto:[EMAIL PROTECTED]]
Sent: Friday, December 22, 2000 3:46 AM
To: [EMAIL PROTECTED]
Subject: question about BCMSN!!


In STP, which is true about forward delay timer ?
two choice :
1. the time a port spend in learning mode
2. the total time a port spend in learning and listening
mode.
which on is right ???



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Re: what is a CSU/DSU?

[Bradley J. Wilson]

Folks, is it really necessary to pounce on someone for asking an occasional
"simple" question?  Okay, so CSU/DSUs are basic networking gear.  But guess
what: *none* of the CCNA material I studied ever went into any great detail
on what exactly this thing was or did, and coming from the technical
training side of the house never dealt with one until very recently.  Other
examples: I have no idea what a "punch-down block" or a "patch panel" is.
Maybe I've dealt with them before and would know if someone said "*That* is
a patch panel," but the fact is that most of the CC** materials only focus
on the routers and switches, and not so much on the peripheral yet essential
devices.

So, in other words, back off when someone asks a question you think is
"beneath" you or this group.  Just don't answer if you don't want to.  But
there are lots of valid, basic questions out there that yes, even CCNP/IE
candidates would like answers to.  It would be a shame if they felt they
weren't "allowed" to ask those questions here.

Sincerely,

Bradley J. Wilson
Who, despite being a CCNA, CCDA, MCSE, CNX-A, NNCSS, MCT and CTT, does not
know what a punch-down block is.  Sue me.


- Original Message -
From: netlinesys
Newsgroups: groupstudy.cisco
To: [EMAIL PROTECTED]
Sent: Friday, December 22, 2000 7:55 AM
Subject: re: what is a CSU/DSU?


Zhiping,

If u know the basic of networking , u can answer this question !!??
I found it difficult for CCNP candidate to ask this question.

- Original Message -
From: "Zhiping Li" <[EMAIL PROTECTED]>
Newsgroups: groupstudy.cisco
Sent: Friday, December 22, 2000 12:37 PM
Subject: what is a CSU/DSU?


> Hi,ciscoer:
>
> when I study cisco ccnp,
> I always find CSU/DSU,
> what are them?
> what are their use?
> Are they some kind of MODEM?
> thanks .
>



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Re: what is the difference between tacas+ and radius

[Brian Lodwick]

I was going to write back to you with all kinds of stuff like I was the all 
knowing, but instead I thought I would give you the website I would have 
been cutting from and let you read as I do:

http://www.cisco.com/warp/public/cc/pd/iosw/ioft/iolk/tech/rdius_wp.htm

>>>Brian


>From: "David Nie" <[EMAIL PROTECTED]>
>Reply-To: "David Nie" <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>Subject: what is the difference between tacas+ and radius
>Date: Fri, 22 Dec 2000 15:39:06 +0800
>
>Hi, all
>
>Could you please tell me the difference of tacas+ and radius server?
>
>--
>David Nie
>
>
>
>
>_
>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 difference between tacas+ and radius

[Brian Lodwick]

Go near the bottom of that page and you'll see a header saying:
Comparisons of RADIUS and TACACS+

http://www.cisco.com/warp/public/cc/pd/iosw/ioft/iolk/tech/rdius_wp.htm

>>>Brian


>From: "David Nie" <[EMAIL PROTECTED]>
>Reply-To: "David Nie" <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>Subject: what is the difference between tacas+ and radius
>Date: Fri, 22 Dec 2000 15:39:06 +0800
>
>Hi, all
>
>Could you please tell me the difference of tacas+ and radius server?
>
>--
>David Nie
>
>
>
>
>_
>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 a CSU/DSU?

[Snyder, LeRoy F]

I highly suggest that you buy a basic networking book and get some hands-on
with some csu/dsu, remoting also. Or the Ship is Going TO Be Sinking and you
won't know how to plug the hole!

-Original Message-
From: Zhiping Li [mailto:[EMAIL PROTECTED]]
Sent: Friday, December 22, 2000 6:30 AM
To: [EMAIL PROTECTED]
Subject: what is a CSU/DSU?


Hi,ciscoer:

when I study cisco ccnp,
I always find CSU/DSU,
what are them?
what are their use?
Are they some kind of MODEM?
thanks .

__
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Re: what is the difference between tacas+ and radius

[Brian Lodwick]

If you didn't want to go to the website here you go.

The major differences are:

Transport Mechanism - RADIUS uses UDP TACACS+ uses TCP

Confidentiality - RADIUS encrypts only the password in the Access-Request 
packet from the client to the server. The remainder of the packet is in the 
clear. Other information such as username, authorized services, and 
accounting could be captured by a third party, making RADIUS networks 
potential targets of hackers using session capture and replay attacks.
TACACS+ encrypts the entire body of the packet but leaves a standard TACACS+ 
header.

Distribution of Functionality - The RADIUS protocol combines the processes 
of authentication and authorization. The Access-Accept packets sent by the 
RADIUS server to the client contain all the authorization information, 
making separation of the authentication and authorization functions 
difficult. The use of RADIUS is most appropriate when simple, single-step 
authentication and authorization is required, as with most service provider 
networks.
TACACS+ uses the AAA architecture, which separates authentication, 
authorization, and accounting. This setup allows separate authentication 
solutions that can still use TACACS+ for authorization and accounting. For 
example, using TACACS+, it is possible to use Kerberos authentication and 
TACACS+ authorization and accounting. After a network access server 
authenticates to a Kerberos server, it requests authorization information 
from a TACACS+ server without having to reauthenticate. The NAS informs the 
TACACS+ server that it has successfully authenticated on a Kerberos server, 
and the server then provides authorization information.

Multiprotocol Support - RADIUS has limited support for protocols other than 
TCP/IP. For example, RADIUS does not natively support the following 
protocols:
AppleTalk Remote Access (ARA)
NetBIOS frame protocol control
Novell Asynchronous Services Interface (NASI)
Packet assembler/disassembler (PAD) connection
These protocols are natively supported by TACACS+.

>>>Brian


>From: "David Nie" <[EMAIL PROTECTED]>
>Reply-To: "David Nie" <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>Subject: what is the difference between tacas+ and radius
>Date: Fri, 22 Dec 2000 15:39:06 +0800
>
>Hi, all
>
>Could you please tell me the difference of tacas+ and radius server?
>
>--
>David Nie
>
>
>
>
>_
>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 a CSU/DSU?

[Ole Drews Jensen]

I agree with you Bradley, well said.

A teacher once told me (back when the hot water wasn't invented yet) that
there were no such thing as stupid questions, and it's better to ask, than
to not because you don't want to look stupid.

Anyway, a punch-down block is one of those you almost for sure can find in
any office's phone closet. It's about the size of two cigarette packages on
top of each other and it has about 20 rows with 6 small metal pieces
sticking out. Each little metal piece has an opening in the middle that gets
narrower the closer you get to the block, and you insert your phone wires in
those pieces and 'punch' them down with a punch-down tool. That way, you can
setup your entire phone system with many lines and many phones without
having a big web of lines connected with each other with tape.

Now you can put that on your resume too :-)

Merry Christmas,

Ole


 Ole Drews Jensen
 Systems Network Manager
 CCNA, MCSE, MCP+I
 RWR Enterprises, Inc.
 [EMAIL PROTECTED]
 http://www.oledrews.com/ccnp

 NEED A JOB ???
 http://www.oledrews.com/job




-Original Message-
From: Bradley J. Wilson [mailto:[EMAIL PROTECTED]]
Sent: Friday, December 22, 2000 7:14 AM
To: cisco
Subject: Re: what is a CSU/DSU?


Folks, is it really necessary to pounce on someone for asking an occasional
"simple" question?  Okay, so CSU/DSUs are basic networking gear.  But guess
what: *none* of the CCNA material I studied ever went into any great detail
on what exactly this thing was or did, and coming from the technical
training side of the house never dealt with one until very recently.  Other
examples: I have no idea what a "punch-down block" or a "patch panel" is.
Maybe I've dealt with them before and would know if someone said "*That* is
a patch panel," but the fact is that most of the CC** materials only focus
on the routers and switches, and not so much on the peripheral yet essential
devices.

So, in other words, back off when someone asks a question you think is
"beneath" you or this group.  Just don't answer if you don't want to.  But
there are lots of valid, basic questions out there that yes, even CCNP/IE
candidates would like answers to.  It would be a shame if they felt they
weren't "allowed" to ask those questions here.

Sincerely,

Bradley J. Wilson
Who, despite being a CCNA, CCDA, MCSE, CNX-A, NNCSS, MCT and CTT, does not
know what a punch-down block is.  Sue me.


- Original Message -
From: netlinesys
Newsgroups: groupstudy.cisco
To: [EMAIL PROTECTED]
Sent: Friday, December 22, 2000 7:55 AM
Subject: re: what is a CSU/DSU?


Zhiping,

If u know the basic of networking , u can answer this question !!??
I found it difficult for CCNP candidate to ask this question.

- Original Message -
From: "Zhiping Li" <[EMAIL PROTECTED]>
Newsgroups: groupstudy.cisco
Sent: Friday, December 22, 2000 12:37 PM
Subject: what is a CSU/DSU?


> Hi,ciscoer:
>
> when I study cisco ccnp,
> I always find CSU/DSU,
> what are them?
> what are their use?
> Are they some kind of MODEM?
> thanks .
>



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RE: what is a CSU/DSU?

[Stanfield Hilman B (Brad) CONT NSSG]

Bradley,

It just shows a lack of maturity on the part of the attacker. We ALL had
(and have) places where we fell short in our knowledge, but we found a place
to learn and then share what we've learned with those who are now, where we
once were.
Thank (God, Allah, the Supreme Being etc.) that people like Priscilla,
Howard, Jenny, Leigh Anne and MANY others, choose to remain contributors to
this list in order to allow people, like so many of us, who want to be
better at what we do, to learn from their experiences and gain from their
vast knowledge. Where else can common folk go and actually interact with
published authors and recognized experts in the field! I remain in awe. But
there are those who choose to treat this site as they would the local
teenybopper chat room.

ALSO, I want to thank Paul for his driven desire to provide this forum to
us

P.S. Paul, I would be willing to donate to the effort if you'll provide an
address.

Here's wishing you a joyous Holiday Season, however you celebrate it.

Thanks,

Brad



Brad Stanfield CCNA
Network/Integration Engineer
[EMAIL PROTECTED]
Government Micro Resources
 Network Operations Control Center
Norfolk Naval Shipyard
Bldg 33 NAVSEA NCOE
757-393-9526
1-800-626-6622




-Original Message-
From: Bradley J. Wilson [mailto:[EMAIL PROTECTED]]
Sent: Friday, December 22, 2000 8:14 AM
To: cisco
Subject: Re: what is a CSU/DSU?


Folks, is it really necessary to pounce on someone for asking an occasional
"simple" question?  Okay, so CSU/DSUs are basic networking gear.  But guess
what: *none* of the CCNA material I studied ever went into any great detail
on what exactly this thing was or did, and coming from the technical
training side of the house never dealt with one until very recently.  Other
examples: I have no idea what a "punch-down block" or a "patch panel" is.
Maybe I've dealt with them before and would know if someone said "*That* is
a patch panel," but the fact is that most of the CC** materials only focus
on the routers and switches, and not so much on the peripheral yet essential
devices.

So, in other words, back off when someone asks a question you think is
"beneath" you or this group.  Just don't answer if you don't want to.  But
there are lots of valid, basic questions out there that yes, even CCNP/IE
candidates would like answers to.  It would be a shame if they felt they
weren't "allowed" to ask those questions here.

Sincerely,

Bradley J. Wilson
Who, despite being a CCNA, CCDA, MCSE, CNX-A, NNCSS, MCT and CTT, does not
know what a punch-down block is.  Sue me.


- Original Message -
From: netlinesys
Newsgroups: groupstudy.cisco
To: [EMAIL PROTECTED]
Sent: Friday, December 22, 2000 7:55 AM
Subject: re: what is a CSU/DSU?


Zhiping,

If u know the basic of networking , u can answer this question !!??
I found it difficult for CCNP candidate to ask this question.

- Original Message -
From: "Zhiping Li" <[EMAIL PROTECTED]>
Newsgroups: groupstudy.cisco
Sent: Friday, December 22, 2000 12:37 PM
Subject: what is a CSU/DSU?


> Hi,ciscoer:
>
> when I study cisco ccnp,
> I always find CSU/DSU,
> what are them?
> what are their use?
> Are they some kind of MODEM?
> thanks .
>



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RE: what is a CSU/DSU?

[Leroy Burns]

CSU/DSU
stands for Channel Service Unit/Data Service Unit. This is the device
connected to the incoming data communications line, usually a T1 or
Fractional T1 line. 

Leroy
-Original Message-
From: Bradley J. Wilson [mailto:[EMAIL PROTECTED]]
Sent: Friday, December 22, 2000 8:14 AM
To: cisco
Subject: Re: what is a CSU/DSU?

Folks, is it really necessary to pounce on someone for asking an occasional
"simple" question?  Okay, so CSU/DSUs are basic networking gear.  But guess
what: *none* of the CCNA material I studied ever went into any great detail
on what exactly this thing was or did, and coming from the technical
training side of the house never dealt with one until very recently.  Other
examples: I have no idea what a "punch-down block" or a "patch panel" is.
Maybe I've dealt with them before and would know if someone said "*That* is
a patch panel," but the fact is that most of the CC** materials only focus
on the routers and switches, and not so much on the peripheral yet essential
devices.

So, in other words, back off when someone asks a question you think is
"beneath" you or this group.  Just don't answer if you don't want to.  But
there are lots of valid, basic questions out there that yes, even CCNP/IE
candidates would like answers to.  It would be a shame if they felt they
weren't "allowed" to ask those questions here.

Sincerely,

Bradley J. Wilson
Who, despite being a CCNA, CCDA, MCSE, CNX-A, NNCSS, MCT and CTT, does not
know what a punch-down block is.  Sue me.


- Original Message -
From: netlinesys
Newsgroups: groupstudy.cisco
To: [EMAIL PROTECTED]
Sent: Friday, December 22, 2000 7:55 AM
Subject: re: what is a CSU/DSU?


Zhiping,

If u know the basic of networking , u can answer this question !!??
I found it difficult for CCNP candidate to ask this question.

- Original Message -
From: "Zhiping Li" <[EMAIL PROTECTED]>
Newsgroups: groupstudy.cisco
Sent: Friday, December 22, 2000 12:37 PM
Subject: what is a CSU/DSU?


> Hi,ciscoer:
>
> when I study cisco ccnp,
> I always find CSU/DSU,
> what are them?
> what are their use?
> Are they some kind of MODEM?
> thanks .
>



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RE: what is a CSU/DSU?

[Ole Drews Jensen]

In addition to my last message, the punchdown block can of course also be
found in different sizes, and you can also get CAT5 versions of them for
network connections.

You can find a picture of one here:

http://www.action-electronics.com/pps66.htm

HTH,

Ole


 Ole Drews Jensen
 Systems Network Manager
 CCNA, MCSE, MCP+I
 RWR Enterprises, Inc.
 [EMAIL PROTECTED]
 http://www.oledrews.com/ccnp

 NEED A JOB ???
 http://www.oledrews.com/job




-Original Message-
From: Bradley J. Wilson [mailto:[EMAIL PROTECTED]]
Sent: Friday, December 22, 2000 7:14 AM
To: cisco
Subject: Re: what is a CSU/DSU?


Folks, is it really necessary to pounce on someone for asking an occasional
"simple" question?  Okay, so CSU/DSUs are basic networking gear.  But guess
what: *none* of the CCNA material I studied ever went into any great detail
on what exactly this thing was or did, and coming from the technical
training side of the house never dealt with one until very recently.  Other
examples: I have no idea what a "punch-down block" or a "patch panel" is.
Maybe I've dealt with them before and would know if someone said "*That* is
a patch panel," but the fact is that most of the CC** materials only focus
on the routers and switches, and not so much on the peripheral yet essential
devices.

So, in other words, back off when someone asks a question you think is
"beneath" you or this group.  Just don't answer if you don't want to.  But
there are lots of valid, basic questions out there that yes, even CCNP/IE
candidates would like answers to.  It would be a shame if they felt they
weren't "allowed" to ask those questions here.

Sincerely,

Bradley J. Wilson
Who, despite being a CCNA, CCDA, MCSE, CNX-A, NNCSS, MCT and CTT, does not
know what a punch-down block is.  Sue me.


- Original Message -
From: netlinesys
Newsgroups: groupstudy.cisco
To: [EMAIL PROTECTED]
Sent: Friday, December 22, 2000 7:55 AM
Subject: re: what is a CSU/DSU?


Zhiping,

If u know the basic of networking , u can answer this question !!??
I found it difficult for CCNP candidate to ask this question.

- Original Message -
From: "Zhiping Li" <[EMAIL PROTECTED]>
Newsgroups: groupstudy.cisco
Sent: Friday, December 22, 2000 12:37 PM
Subject: what is a CSU/DSU?


> Hi,ciscoer:
>
> when I study cisco ccnp,
> I always find CSU/DSU,
> what are them?
> what are their use?
> Are they some kind of MODEM?
> thanks .
>



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RE: what is a CSU/DSU?

[Snyder, LeRoy F]

I must apologize.You are correct in not knowing what certain networking
concepts there are. I would suggest to anyone to start with voice circuits
and basic T 1 concepts. Also sonet and learning about OC rings is a good
subject also. There are a lot of interesting concepts out there that
directly and in-directly deal with cisco routers. 

Hope everyone has a happy holiday-you are all good people in this group...


From: Bradley J. Wilson [mailto:[EMAIL PROTECTED]]
Sent: Friday, December 22, 2000 8:14 AM
To: cisco
Subject: Re: what is a CSU/DSU?


Folks, is it really necessary to pounce on someone for asking an occasional
"simple" question?  Okay, so CSU/DSUs are basic networking gear.  But guess
what: *none* of the CCNA material I studied ever went into any great detail
on what exactly this thing was or did, and coming from the technical
training side of the house never dealt with one until very recently.  Other
examples: I have no idea what a "punch-down block" or a "patch panel" is.
Maybe I've dealt with them before and would know if someone said "*That* is
a patch panel," but the fact is that most of the CC** materials only focus
on the routers and switches, and not so much on the peripheral yet essential
devices.

So, in other words, back off when someone asks a question you think is
"beneath" you or this group.  Just don't answer if you don't want to.  But
there are lots of valid, basic questions out there that yes, even CCNP/IE
candidates would like answers to.  It would be a shame if they felt they
weren't "allowed" to ask those questions here.

Sincerely,

Bradley J. Wilson
Who, despite being a CCNA, CCDA, MCSE, CNX-A, NNCSS, MCT and CTT, does not
know what a punch-down block is.  Sue me.


- Original Message -
From: netlinesys
Newsgroups: groupstudy.cisco
To: [EMAIL PROTECTED]
Sent: Friday, December 22, 2000 7:55 AM
Subject: re: what is a CSU/DSU?


Zhiping,

If u know the basic of networking , u can answer this question !!??
I found it difficult for CCNP candidate to ask this question.

- Original Message -
From: "Zhiping Li" <[EMAIL PROTECTED]>
Newsgroups: groupstudy.cisco
Sent: Friday, December 22, 2000 12:37 PM
Subject: what is a CSU/DSU?


> Hi,ciscoer:
>
> when I study cisco ccnp,
> I always find CSU/DSU,
> what are them?
> what are their use?
> Are they some kind of MODEM?
> thanks .
>



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How much memory do I have ?

[Hans Stout]

Hello colleagues,

can you tell me how much memory is on the router when you look at the 
following output:

cisco 3640 (R4700) processor (revision 0x00) with 43008K/6144K bytes of 
memory.
8192K bytes of processor board System flash (Read/Write)

I cannot figure out if I have to add the 43008K/6144K to get the total of 
DRAM. In this case, do I have 51MB of DRAM ?

Thanks for your help in advance.

Regards,

Georg Pauwen


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Basic NT1 question

[Naveen Sharma]

Dear Friends,

Does NT1 converts/conditions signal for transmission over POTS local =
loop besides converting subscriber four wire to two wire ?

Can someone clarify  NT1 for me and point out  URL for that.

Thanks in advance

Merry Christmas and Happy new year.

Regards

Naveen=20

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RE: Arca Emutel Solo ISDN simulator

[Daniel Cotts]

Brad; Do you have a list price on that puppy?

> -Original Message-
> From: Brad Ellis [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, December 21, 2000 8:58 PM
> To: [EMAIL PROTECTED]
> Subject: Re: Arca Emutel Solo ISDN simulator
> 
> 
> Actually, I have used the new solo simulator.  Is is 
> fantastic!  It supports
> both U and NT interfaces (software selectable).  It also has 
> programmable
> SPIDs, so you're not stuck with certain ones (ie, teltone).
> 
> -Brad Ellis
> CCIE#5796
> [EMAIL PROTECTED]
> 
> used cisco hardware:  www.optsys.net
> 
> "Daniel Cotts" <[EMAIL PROTECTED]> wrote in message
> news:303479FA060CD211B893F805A88AA10DE1@EXCHANGE1...
> > http://www.arcatech.com/
> > I checked their web site. No info there.
> >
> > > -Original Message-
> > > From: Sammy [mailto:[EMAIL PROTECTED]]
> > > Sent: Thursday, December 21, 2000 9:32 AM
> > > To: [EMAIL PROTECTED]
> > > Subject: Arca Emutel Solo ISDN simulator
> > >
> > >
> > > I had called Arca to place an  order for the Emulte lite ISDN
> > > simulator and
> > > they said that the Emutel Lite has been discontinued. They
> > > have come out
> > > with an Emutel Solo which also has ADSL simulation. Also the
> > > ISDN interfaces
> > > (S/T or U) are user configurable.
> > > Has any one used this simulator. Any comments on it?
> > > Please let me know
> > >
> > > Thanks
> > >
> > > Sammy
> > >
> > > _
> > > 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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Re: Router ID in OSPF

[Howard C. Berkowitz]

>Hi everybody:
>I am study BSCN,there are something confused me:
>in the book they says:The highest IP address on an active interface is
>normally used as the router ID, but this can be overridden by configuring an
>IP address on a loopback interface.
>I want to know which will be the Router ID if the loopback IP address
>smaller than the active interface IP address?
>Any suggestion will be appreciate,thanks.
>
>Will Guan
>frome Peking, China


If there are multiple loopback, the router ID will be the numerically 
highest IP address on any loopback. In other words,

 int loop 0  int loop 1   int loop 2
 ip addr 1.2.3.4 ip addr 5.6.7.8  ip addr 2.3.4.6

The router ID, in this case, was 5.6.7.8.

If there is only a single loopback interface, its IP address will 
always be the router ID:

 int loop 0  int ser 0   int ser 1
 ip addr 1.2.3.4 ip addr 5.6.7.8  ip addr 2.3.4.6

Here, the router ID would be 1.2.3.4.

If there were no loopback interfaces, the numerically highest active 
interface would be used:

 int eth 0  int ser 0   int ser 1
  ip addr 1.2.3.4 ip addr 5.6.7.8  ip addr 2.3.4.6
  no shutdown shutdown no shutdown

2.3.4.6 would be the router ID.


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Re: How much memory do I have ?

[PYF]

>From your output, what your router has got are 42M of main memory and 6M of
share memory ... that gives you a total of 48M DRAM.

- PYF

""Hans Stout"" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Hello colleagues,
>
> can you tell me how much memory is on the router when you look at the
> following output:
>
> cisco 3640 (R4700) processor (revision 0x00) with 43008K/6144K bytes of
> memory.
> 8192K bytes of processor board System flash (Read/Write)
>
> I cannot figure out if I have to add the 43008K/6144K to get the total of
> DRAM. In this case, do I have 51MB of DRAM ?
>
> Thanks for your help in advance.
>
> Regards,
>
> Georg Pauwen
>
>
> _
> Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com.
>
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RE: what is the difference between tacas+ and radius

[Felice Russell]

http://www.cisco.com/warp/public/480/10.html
here is a link to the cisco compaison of radius and tacacs

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
JCoyne
Sent: Friday, December 22, 2000 6:38 AM
To: [EMAIL PROTECTED]
Subject: Re: what is the difference between tacas+ and radius



In Short, TACACS+ uses TCP and RADIUS uses UDP

"David Nie" <[EMAIL PROTECTED]> wrote in message
91v4j7$ni7$[EMAIL PROTECTED]">news:91v4j7$ni7$[EMAIL PROTECTED]...
> Hi, all
>
> Could you please tell me the difference of tacas+ and radius server?
>
> --
> David Nie
>
>
>
>
> _
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Re: what is a CSU/DSU?

[D. J. Jones]

Just to expand in a small way on Leroy's comments, you can find them as
external devices which connects the line to the router (or other DTE device)
or as an internal or integrated device module which you can install directly
on the router..dj

Here is a link to a page at www.alliancedatacom.com which should provide you
the information you need to get a better understanding of what a CSU/DSU is
and how it works as well as a couple of tutorials.  No flames please, I do
not have a relationship with Alliancedatacom.

Hope this helps

"Leroy Burns" <[EMAIL PROTECTED]> wrote in message
C734BD865F91D3118383009027DE092242B5DF@EXCHANGE2">news:C734BD865F91D3118383009027DE092242B5DF@EXCHANGE2...
> CSU/DSU
> stands for Channel Service Unit/Data Service Unit. This is the device
> connected to the incoming data communications line, usually a T1 or
> Fractional T1 line.
>
> Leroy
> -Original Message-
> From: Bradley J. Wilson [mailto:[EMAIL PROTECTED]]
> Sent: Friday, December 22, 2000 8:14 AM
> To: cisco
> Subject: Re: what is a CSU/DSU?
>
> Folks, is it really necessary to pounce on someone for asking an
occasional
> "simple" question?  Okay, so CSU/DSUs are basic networking gear.  But
guess
> what: *none* of the CCNA material I studied ever went into any great
detail
> on what exactly this thing was or did, and coming from the technical
> training side of the house never dealt with one until very recently.
Other
> examples: I have no idea what a "punch-down block" or a "patch panel" is.
> Maybe I've dealt with them before and would know if someone said "*That*
is
> a patch panel," but the fact is that most of the CC** materials only focus
> on the routers and switches, and not so much on the peripheral yet
essential
> devices.
>
> So, in other words, back off when someone asks a question you think is
> "beneath" you or this group.  Just don't answer if you don't want to.  But
> there are lots of valid, basic questions out there that yes, even CCNP/IE
> candidates would like answers to.  It would be a shame if they felt they
> weren't "allowed" to ask those questions here.
>
> Sincerely,
>
> Bradley J. Wilson
> Who, despite being a CCNA, CCDA, MCSE, CNX-A, NNCSS, MCT and CTT, does not
> know what a punch-down block is.  Sue me.
>
>
> - Original Message -
> From: netlinesys
> Newsgroups: groupstudy.cisco
> To: [EMAIL PROTECTED]
> Sent: Friday, December 22, 2000 7:55 AM
> Subject: re: what is a CSU/DSU?
>
>
> Zhiping,
>
> If u know the basic of networking , u can answer this question !!??
> I found it difficult for CCNP candidate to ask this question.
>
> - Original Message -
> From: "Zhiping Li" <[EMAIL PROTECTED]>
> Newsgroups: groupstudy.cisco
> Sent: Friday, December 22, 2000 12:37 PM
> Subject: what is a CSU/DSU?
>
>
> > Hi,ciscoer:
> >
> > when I study cisco ccnp,
> > I always find CSU/DSU,
> > what are them?
> > what are their use?
> > Are they some kind of MODEM?
> > thanks .
> >
>
>
>
> _
> FAQ, list archives, and subscription info:
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>
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Re: what is a CSU/DSU?

[Talib]

Is there a website where there are basics and details about ISDN, DSL, Cable and T1s?


Zhiping Li wrote:

> Hi,ciscoer:
>
> when I study cisco ccnp,
> I always find CSU/DSU,
> what are them?
> what are their use?
> Are they some kind of MODEM?
> thanks .
>
> __
> Do You Yahoo!?
> Yahoo! Shopping - Thousands of Stores. Millions of Products.
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Re: Router ID in OSPF

[Marty Adkins]

"Howard C. Berkowitz" wrote:
> 
> >Hi everybody:
> >I am study BSCN,there are something confused me:
> >in the book they says:The highest IP address on an active interface is
> >normally used as the router ID, but this can be overridden by configuring an
> >IP address on a loopback interface.
> >I want to know which will be the Router ID if the loopback IP address
> >smaller than the active interface IP address?
> >Any suggestion will be appreciate,thanks.
> >
> >Will Guan
> >frome Peking, China
> 
> If there are multiple loopback, the router ID will be the numerically
> highest IP address on any loopback. In other words,
[snip]
And the part that some folks forget is that once a router ID is active,
it will not change if another interface is made active, or the IP of
another interface is changed to a higher value.  The rationale is
stability, since all other routers in the area are tracking this one
by its present router ID.  The same principle applies to the DR election
-- there is no coup option.

Now if you were to shut down the interface with the existing router ID...

  Marty Adkins Email: [EMAIL PROTECTED]
  Mentor Technologies  Phone: 410-280-8840 x3006
  275 West Street, Plaza 70WWW: http://www.mentortech.com
  Annapolis, MD  21401 Cisco CCIE #1289

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Re: what is a CSU/DSU?

[D. J. Jones]

You may wish to check out www.itprc.com. Look under the 'physical' and 'data
link' sections..dj

"Talib" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Is there a website where there are basics and details about ISDN, DSL,
Cable and T1s?
>
>
> Zhiping Li wrote:
>
> > Hi,ciscoer:
> >
> > when I study cisco ccnp,
> > I always find CSU/DSU,
> > what are them?
> > what are their use?
> > Are they some kind of MODEM?
> > thanks .
> >
> > __
> > Do You Yahoo!?
> > Yahoo! Shopping - Thousands of Stores. Millions of Products.
> > http://shopping.yahoo.com/
> >
> > _
> > 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
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Re: what is the difference between tacas+ and radius

[Jeff Kell]

David Nie wrote:
> 
> Hi, all
> 
> Could you please tell me the difference of tacas+ and radius server?

A couple thousand bucks :-)

Jeff Kell <[EMAIL PROTECTED]>

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MCNS 2.0

[Tim O'Brien]

Well, I took the MCNS 2.0 test today so I could qualify for the one test
instead of 4 after January. Got an 883 with only a 708 required. I have to
say that the Boson MCNS test #1 was outstanding! Study that and use the
links provided in the answers to gain more knowledge. I also read the Cisco
Press "Enhanced IP Services for Cisco Networks" book. It was a great book.
Excellent job on the Boson Bernard, I hope your CCIE written tests are as
good!

Thanks!

Tim



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Links to Sites was RE: what is a CSU/DSU?

[Daniel Cotts]

First place to look for links to other sites is:
http://www.itprc.com/ Thanks to Irwin Lazar
Next stop:
http://www.protocols.com/
And of course:
http://www.cisco.com/univercd/cc/td/doc/cisintwk/ito_doc/index.htm
For CSU/DSU and T-1s
http://www.larscom.com/support/multimedia/acrobat/access-t/access-t.pdf
Print pages 9 to 19 for the T-1 section. This is an example of great
documentation. Print more if you wish.
> -Original Message-
> From: Talib [mailto:[EMAIL PROTECTED]]
> Sent: Friday, December 22, 2000 9:57 AM
> To: [EMAIL PROTECTED]
> Subject: Re: what is a CSU/DSU?
> 
> 
> Is there a website where there are basics and details about 
> ISDN, DSL, Cable and T1s?
> 
> 
> Zhiping Li wrote:
> 
> > Hi,ciscoer:
> >
> > when I study cisco ccnp,
> > I always find CSU/DSU,
> > what are them?
> > what are their use?
> > Are they some kind of MODEM?
> > thanks .
> >
> > __
> > Do You Yahoo!?
> > Yahoo! Shopping - Thousands of Stores. Millions of Products.
> > http://shopping.yahoo.com/
> >
> > _
> > 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: what is a CSU/DSU?

[Talib]

Thanks for the lead. Couple of good sources to answer this question

http://www.astrocorp.com/univers/introcsudsu.html - Best Illustration
http://www.alliancedatacom.com/technologies/csu-dsu/csudsu.asp
http://whatis.techtarget.com/WhatIs_Definition_Page/0,4152,211866,00.html

This is my compilation of useful links :
http://www.hotlinks.com/members/sstalib/Tech_-_Network_Resources/

"D. J. Jones" wrote:

> Just to expand in a small way on Leroy's comments, you can find them as
> external devices which connects the line to the router (or other DTE device)
> or as an internal or integrated device module which you can install directly
> on the router..dj
>
> Here is a link to a page at www.alliancedatacom.com which should provide you
> the information you need to get a better understanding of what a CSU/DSU is
> and how it works as well as a couple of tutorials.  No flames please, I do
> not have a relationship with Alliancedatacom.
>
> Hope this helps
>
> "Leroy Burns" <[EMAIL PROTECTED]> wrote in message
> C734BD865F91D3118383009027DE092242B5DF@EXCHANGE2">news:C734BD865F91D3118383009027DE092242B5DF@EXCHANGE2...
> > CSU/DSU
> > stands for Channel Service Unit/Data Service Unit. This is the device
> > connected to the incoming data communications line, usually a T1 or
> > Fractional T1 line.
> >
> > Leroy
> > -Original Message-
> > From: Bradley J. Wilson [mailto:[EMAIL PROTECTED]]
> > Sent: Friday, December 22, 2000 8:14 AM
> > To: cisco
> > Subject: Re: what is a CSU/DSU?
> >
> > Folks, is it really necessary to pounce on someone for asking an
> occasional
> > "simple" question?  Okay, so CSU/DSUs are basic networking gear.  But
> guess
> > what: *none* of the CCNA material I studied ever went into any great
> detail
> > on what exactly this thing was or did, and coming from the technical
> > training side of the house never dealt with one until very recently.
> Other
> > examples: I have no idea what a "punch-down block" or a "patch panel" is.
> > Maybe I've dealt with them before and would know if someone said "*That*
> is
> > a patch panel," but the fact is that most of the CC** materials only focus
> > on the routers and switches, and not so much on the peripheral yet
> essential
> > devices.
> >
> > So, in other words, back off when someone asks a question you think is
> > "beneath" you or this group.  Just don't answer if you don't want to.  But
> > there are lots of valid, basic questions out there that yes, even CCNP/IE
> > candidates would like answers to.  It would be a shame if they felt they
> > weren't "allowed" to ask those questions here.
> >
> > Sincerely,
> >
> > Bradley J. Wilson
> > Who, despite being a CCNA, CCDA, MCSE, CNX-A, NNCSS, MCT and CTT, does not
> > know what a punch-down block is.  Sue me.
> >
> >
> > - Original Message -
> > From: netlinesys
> > Newsgroups: groupstudy.cisco
> > To: [EMAIL PROTECTED]
> > Sent: Friday, December 22, 2000 7:55 AM
> > Subject: re: what is a CSU/DSU?
> >
> >
> > Zhiping,
> >
> > If u know the basic of networking , u can answer this question !!??
> > I found it difficult for CCNP candidate to ask this question.
> >
> > - Original Message -
> > From: "Zhiping Li" <[EMAIL PROTECTED]>
> > Newsgroups: groupstudy.cisco
> > Sent: Friday, December 22, 2000 12:37 PM
> > Subject: what is a CSU/DSU?
> >
> >
> > > Hi,ciscoer:
> > >
> > > when I study cisco ccnp,
> > > I always find CSU/DSU,
> > > what are them?
> > > what are their use?
> > > Are they some kind of MODEM?
> > > thanks .
> > >
> >
> >
> >
> > _
> > 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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> >
> > _
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> >
>
> _
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Router IDs, DRs, HSRP, etc.

[Howard C. Berkowitz]

>
>  > >Hi everybody:
>>  >I am study BSCN,there are something confused me:
>>  >in the book they says:The highest IP address on an active interface is
>>  >normally used as the router ID, but this can be overridden by 
>>configuring an
>>  >IP address on a loopback interface.
>>  >I want to know which will be the Router ID if the loopback IP address
>>  >smaller than the active interface IP address?
>>  >Any suggestion will be appreciate,thanks.
>>  >
>>  >Will Guan
>>  >frome Peking, China
>>
>>  If there are multiple loopback, the router ID will be the numerically
>>  highest IP address on any loopback. In other words,
>   [snip]

[EMAIL PROTECTED] quite correctly added,

>And the part that some folks forget is that once a router ID is active,
>it will not change if another interface is made active, or the IP of
>another interface is changed to a higher value.  The rationale is
>stability, since all other routers in the area are tracking this one
>by its present router ID.  The same principle applies to the DR election
>-- there is no coup option.
>
>Now if you were to shut down the interface with the existing router ID...

To follow up on a discussion yesterday as to when high and low 
parameter values win an election...

As Marty observes, the OSPF router ID, once OSPF is initialized, will 
not change. When the OSPF DR is elected on a subnet, a more-preferred 
router will not become DR unless the original DR goes down.  I 
_think_ this is the behavior of an ISIS pseudonode, but I'd have to 
research that.

In HSRP, however, you can designate a primary and secondary.  If the 
secondary takes over but the primary returns, you can set the primary 
for Marty's coup d'etat option -- it will take back control.

Spanning tree also supports a coup by the root bridge.

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Re: what is a CSU/DSU?

[Talib]

The article at http://www.alliancedatacom.com/technologies/csu-dsu/csudsu.asp reads
"Such a device is required for both ends of a T-1 or T-3 connection, and the units at
both ends must be from the same manufacturer."

1) Is this true?
2) Does this mean there are various different implementations of the technology?

"D. J. Jones" wrote:

> You may wish to check out www.itprc.com. Look under the 'physical' and 'data
> link' sections..dj
>
> "Talib" <[EMAIL PROTECTED]> wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > Is there a website where there are basics and details about ISDN, DSL,
> Cable and T1s?
> >
> >
> > Zhiping Li wrote:
> >
> > > Hi,ciscoer:
> > >
> > > when I study cisco ccnp,
> > > I always find CSU/DSU,
> > > what are them?
> > > what are their use?
> > > Are they some kind of MODEM?
> > > thanks .
> > >
> > > __
> > > Do You Yahoo!?
> > > Yahoo! Shopping - Thousands of Stores. Millions of Products.
> > > http://shopping.yahoo.com/
> > >
> > > _
> > > 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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thanks chuck!!!

[lawrence sculark]

you have to be involved with cabling to understand the concept of punch down 
blocksit's the location where the cable wires connect...some times they 
are small plastic blocks with different colorswhen you scrip a cat5 
cable open you see different color wires...they correspond to the blocks for 
connections.you also have a tool called a punch down tool used to insert 
the wires into the  block...you are punching the wires 
down...'punch-down'.

you, bradley, are more than right about terminology...there are too many in 
this great universe and 'we' must clarify them..and help others to 
understand what we meanfor example ASP has many new meanings...
and please do not be afraid to ask any question...chuck larrieu has help me 
to configure ipx on a cisco router...he looked at my configuration and found 
the answer even when cisco tac had no ideadoes that mean that they are 
not qualified...no...it means that we have some very qualified people on 
this  list who are more than willling to help! we cannot and must not 
close our eyes to sharing knowledge for the development of all man-kind and 
future network engineers

thank all of you and keep up the good work.
lawrence a sculark
mba/ma, ccna,cnx-a,mcp,cna
[phd in progress]


>From: "Bradley J. Wilson" <[EMAIL PROTECTED]>
>Reply-To: "Bradley J. Wilson" <[EMAIL PROTECTED]>
>To: "cisco" <[EMAIL PROTECTED]>
>Subject: Re: what is a CSU/DSU?
>Date: Fri, 22 Dec 2000 08:14:15 -0500
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>
>Folks, is it really necessary to pounce on someone for asking an occasional
>"simple" question?  Okay, so CSU/DSUs are basic networking gear.  But guess
>what: *none* of the CCNA material I studied ever went into any great detail
>on what exactly this thing was or did, and coming from the technical
>training side of the house never dealt with one until very recently.  Other
>examples: I have no idea what a "punch-down block" or a "patch panel" is.
>Maybe I've dealt with them before and would know if someone said "*That* is
>a patch panel," but the fact is that most of the CC** materials only focus
>on the routers and switches, and not so much on the peripheral yet 
>essential
>devices.
>
>So, in other words, back off when someone asks a question you think is
>"beneath" you or this group.  Just don't answer if you don't want to.  But
>there are lots of valid, basic questions out there that yes, even CCNP/IE
>candidates would like answers to.  It would be a shame if they felt they
>weren't "allowed" to ask those questions here.
>
>Sincerely,
>
>Bradley J. Wilson
>Who, despite being a CCNA, CCDA, MCSE, CNX-A, NNCSS, MCT and CTT, does not
>know what a punch-down block is.  Sue me.
>
>
>- Original Message -
>From: netlinesys
>Newsgroups: groupstudy.cisco
>To: [EMAIL PROTECTED]
>Sent: Friday, December 22, 2000 7:55 AM
>Subject: re: what is a CSU/DSU?
>
>
>Zhiping,
>
>If u know the basic of networking , u can answer this question !!??
>I found it difficult for CCNP candidate to ask this question.
>
>- Original Message -
>From: "Zhiping Li" <[EMAIL PROTECTED]>
>Newsgroups: groupstudy.cisco
>Sent: Friday, December 22, 2000 12:37 PM
>Subject: what is a CSU/DSU?
>
>
> > Hi,ciscoer:
> >
> > when I study cisco ccnp,
> > I always find CSU/DSU,
> > what are them?
> > what are their use?
> > Are they some kind of MODEM?
> > thanks .
> >
>
>
>
>_
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Re: MCNS 2.0

[Austin]

Does this exam specify the number of answers you need to choose?

""Tim O'Brien"" <[EMAIL PROTECTED]> wrote in message
020101c06c34$448a7e00$[EMAIL PROTECTED]">news:020101c06c34$448a7e00$[EMAIL PROTECTED]...
> Well, I took the MCNS 2.0 test today so I could qualify for the one test
> instead of 4 after January. Got an 883 with only a 708 required. I have to
> say that the Boson MCNS test #1 was outstanding! Study that and use the
> links provided in the answers to gain more knowledge. I also read the
Cisco
> Press "Enhanced IP Services for Cisco Networks" book. It was a great book.
> Excellent job on the Boson Bernard, I hope your CCIE written tests are as
> good!
>
> Thanks!
>
> Tim
>
>
>
> _
> FAQ, list archives, and subscription info:
http://www.groupstudy.com/list/cisco.html
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>


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RE: what is a CSU/DSU?

[Daniel Cotts]

Nope. You can mix and match vendors. Some manufacturers have features that
only work between their boxes. If another manufacturers box is connected
they just don't implement the special features.

> -Original Message-
> From: Talib [mailto:[EMAIL PROTECTED]]
> Sent: Friday, December 22, 2000 10:46 AM
> To: [EMAIL PROTECTED]
> Subject: Re: what is a CSU/DSU?
> 
> 
> The article at 
> http://www.alliancedatacom.com/technologies/csu-dsu/csudsu.asp reads
> "Such a device is required for both ends of a T-1 or T-3 
> connection, and the units at
> both ends must be from the same manufacturer."
> 
> 1) Is this true?
> 2) Does this mean there are various different implementations 
> of the technology?
> 
> "D. J. Jones" wrote:
> 
> > You may wish to check out www.itprc.com. Look under the 
> 'physical' and 'data
> > link' sections..dj
> >
> > "Talib" <[EMAIL PROTECTED]> wrote in message
> > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > > Is there a website where there are basics and details 
> about ISDN, DSL,
> > Cable and T1s?
> > >
> > >
> > > Zhiping Li wrote:
> > >
> > > > Hi,ciscoer:
> > > >
> > > > when I study cisco ccnp,
> > > > I always find CSU/DSU,
> > > > what are them?
> > > > what are their use?
> > > > Are they some kind of MODEM?
> > > > thanks .
> > > >
> > > > __
> > > > Do You Yahoo!?
> > > > Yahoo! Shopping - Thousands of Stores. Millions of Products.
> > > > http://shopping.yahoo.com/
> > > >
> > > > _
> > > > 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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> [EMAIL PROTECTED]
> > >
> >
> > _
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Ramblings (was Re: what is a CSU/DSU?)

[Howard C. Berkowitz]

>Folks, is it really necessary to pounce on someone for asking an occasional
>"simple" question?  Okay, so CSU/DSUs are basic networking gear.  But guess
>what: *none* of the CCNA material I studied ever went into any great detail
>on what exactly this thing was or did, and coming from the technical
>training side of the house never dealt with one until very recently.

Gad, you're bringing back memories. My original background is in 
software development (mainframe and laboratory instrumentation), and 
then networking.  I became involved in networking when there was far 
more separation between the carrier and data sides--as in remembering 
the 1975 AT&T consent decree, and finding ways, before that, to get 
onto the line side of carrier-provided modems.   While I wouldn't 
have called myself a phone phreak, I was quite aggressive about 
getting well-informed about carrier internals.

Perhaps in the late 70s or early 80s, I attended the startup meeting 
of the ANSI T1Q1 working group on performance specification. Prior to 
that, I had worked on several pure data performance specification 
efforts in the US government, ANSI, and CCITT. T1Q1 worked on both 
data and voice, and, at the first meeting, I provoked the director of 
standards for United Telecom. Said director, who looked rather like 
Santa Claus, thundered at me "who are you, data person, to tell me 
how my voice networks should behave? Can you even define tip and 
ring?"

With a sigh, I responded, "Yes, Peter. I know what tip and ring are. 
I even know what sleeve is."

Not good enough. "Do you know what a hybrid is? Define it!"

I replied with a definition of a hybrid, and said, "By the way, 
Peter...what do you think is the major cause of time-variant phase 
intercept distortion with QAM modems over L carrier facilities?" 
That quieted him.

So I speak telco and data, but not particularly server. I'm not much 
on desktop hardware--the flow control with which I am dealing at the 
moment is being sure I have fully clotted after cutting my hand last 
night on the USB board I was trying to install in my PowerMac G3. 
"Trying" is the operative word -- while the Mac will come up, USB 
doesn't appear to work and I managed to put in an RFI shield such 
that it blocks the CD-ROM slot. Now, I'm debating whether to go 
through the humiliation of the computer shop...and I wanted to 
install more RAM as well.

I have an Epson printer that isn't working because I can't seem to 
get the paper guide to snap in.

But, to balance these inadequacies, I do spend time in my day job 
thinking about routing, etc., on OC-768 interfaces (i.e., 40 Gbps). I 
get into the guts of the fundamental problems with BGP, OSPF, and 
ISIS and how to make them better or how to replace them.   My skills 
are in architecture, design, and deployment, not support.

In the last couple of days, someone was bringing up the "need" to be 
MS certified, and how it was "simple" to configure routers and 
switches.  Again, perspective is everything.  I could get the highest 
MS certification and it would be no particular job help to me, where 
it's far more important to be able to design the routing and 
switching for a tier 1 ISP.

But that doesn't stop me from feeling I should be looking to swap 
support for certification/theory training!

>Other
>examples: I have no idea what a "punch-down block" or a "patch panel" is.
>Maybe I've dealt with them before and would know if someone said "*That* is
>a patch panel," but the fact is that most of the CC** materials only focus
>on the routers and switches, and not so much on the peripheral yet essential
>devices.

Good point on punchdown blocks. I know what they are, when to specify 
which type, but I'm not very good about installing them. In my 
basement, I have assorted 66 blocks on the wall, but an absolute 
rat's nest of cabling to them. I can quite properly specify cable 
plant, but don't count on me to install it. Just as there can be 
intuition about how much bandwidth to give an ISP BGP link, there is 
intuition and experience about how much slack to give a wire before 
punching it down.

In the specific Cisco context, remember that Cisco doesn't make 
wiring products or CSU/DSU hardware, so their material won't 
emphasize it. In the real world, this can be a problem when there are 
nuances of interconnecting Cisco gear to these non-Cisco 
infrastructure items.

>
>So, in other words, back off when someone asks a question you think is
>"beneath" you or this group.  Just don't answer if you don't want to.  But
>there are lots of valid, basic questions out there that yes, even CCNP/IE
>candidates would like answers to.  It would be a shame if they felt they
>weren't "allowed" to ask those questions here.
>
>Sincerely,
>
>Bradley J. Wilson
>Who, despite being a CCNA, CCDA, MCSE, CNX-A, NNCSS, MCT and CTT, does not
>know what a punch-down block is.  Sue me.

I thought the being sued department was mine?  Something to do with 
168 mysterious vio

Re: thanks chuck!!!

[Howard C. Berkowitz]

>you have to be involved with cabling to understand the concept of punch down
>blocksit's the location where the cable wires connect...some times they
>are small plastic blocks with different colorswhen you scrape a cat5
>cable open you see different color wires...they correspond to the blocks for
>connections.you also have a tool called a punch down tool used to insert
>the wires into the  block...you are punching the wires
>down...'punch-down'.

And in a home office/network such as mind, you must always be 
conscious of the different techniques involved in managing cat 5 and 
one cator being managed by the cat one, who really is an 
important contributor to many of my works.

>
>you, bradley, are more than right about terminology...there are too many in
>this great universe and 'we' must clarify them..and help others to
>understand what we meanfor example ASP has many new meanings...

I used to think ASP was the serpent that Cleopatra used to do herself 
in, became confused by some Application Service Provider salesdroids, 
and then was comforted to recognize the similarities between certain 
salesdroids and bad-tempered snakes.

That doesn't mean that I am not on reasonable social terms with 
several snakes of the reptilian sort.  As an old IBM networking sort, 
let me point out that the first three letters of snake are SNA. 
Coincidence? You decide. Bwahahaha

>and please do not be afraid to ask any question...chuck larrieu has help me
>to configure ipx on a cisco router...he looked at my configuration and found
>the answer even when cisco tac had no ideadoes that mean that they are
>not qualified...no...it means that we have some very qualified people on
>this  list who are more than willling to help! we cannot and must not
>close our eyes to sharing knowledge for the development of all man-kind and
>future network engineers
>
>thank all of you and keep up the good work.
>lawrence a sculark
>mba/ma, ccna,cnx-a,mcp,cna

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Re:what is a CSU/DSU ??

[netlinesys]

Bradley,

U may be right , there was someone who join the IT migration team for less a
week , he is CNE, MCSE, CCNA and ACRC did not know how to switch of a Compaq
server ( I suppose this is not his fault because it was not thought in any
of the above courses ) .. this is real by way


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Re: Basic NT1 question

[Talib]

It also provides a test point for telephone line diagnostics

Naveen Sharma wrote:

> Dear Friends,
>
> Does NT1 converts/conditions signal for transmission over POTS local =
> loop besides converting subscriber four wire to two wire ?
>
> Can someone clarify  NT1 for me and point out  URL for that.
>
> Thanks in advance
>
> Merry Christmas and Happy new year.
>
> Regards
>
> Naveen=20
>
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RE: what is a CSU/DSU?

[Howard C. Berkowitz]

>Daniel Cotts <[EMAIL PROTECTED]> wrote,



>Nope. You can mix and match vendors. Some manufacturers have features that
>only work between their boxes. If another manufacturers box is connected
>they just don't implement the special features.

It's worth remembering that CSU/DSU devices aren't necessarily 
equivalent to dumb modems in the way in which they are administered. 
They may be SNMP manageable, have console function (either local or 
dialup), or all of the above.

Look at MIBs for the interface types to see some of the more 
intelligent functions.

>
>>  -Original Message-
>>  From: Talib [mailto:[EMAIL PROTECTED]]
>>  Sent: Friday, December 22, 2000 10:46 AM
>>  To: [EMAIL PROTECTED]
>>  Subject: Re: what is a CSU/DSU?
>>
>>
>>  The article at
>>  http://www.alliancedatacom.com/technologies/csu-dsu/csudsu.asp reads
>>  "Such a device is required for both ends of a T-1 or T-3
>>  connection, and the units at
>>  both ends must be from the same manufacturer."
>>
>>  1) Is this true?
>>  2) Does this mean there are various different implementations
>>  of the technology?
>>
>>  "D. J. Jones" wrote:
>>
>>  > You may wish to check out www.itprc.com. Look under the
>>  'physical' and 'data
>>  > link' sections..dj
>>  >
>>  > "Talib" <[EMAIL PROTECTED]> wrote in message
>>  > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
>>  > > Is there a website where there are basics and details
>>  about ISDN, DSL,
>>  > Cable and T1s?
>>  > >
>>  > >
>>  > > Zhiping Li wrote:
>>  > >
>>  > > > Hi,ciscoer:
>>  > > >
>>  > > > when I study cisco ccnp,
>>  > > > I always find CSU/DSU,
>>  > > > what are them?
>>  > > > what are their use?
>>  > > > Are they some kind of MODEM?
>>  > > > thanks .
>>  > > >
>>  > > > __
>>  > > > Do You Yahoo!?
>>  > > > Yahoo! Shopping - Thousands of Stores. Millions of Products.
>>  > > > http://shopping.yahoo.com/
>>  > > >
>>  > > > _
>>  > > > 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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>>  > http://www.groupstudy.com/list/cisco.html
>>  > > Report misconduct and Nondisclosure violations to
>>  [EMAIL PROTECTED]
>>  > >
>>  >
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>
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RE: thanks chuck!!!

[Rik Guyler]

Oh...my...God!  Howard, you just keep me in stitches!   ;-}

-Original Message-
From: Howard C. Berkowitz [mailto:[EMAIL PROTECTED]]
Sent: Friday, December 22, 2000 12:21 PM
To: [EMAIL PROTECTED]
Subject: Re: thanks chuck!!!


>you have to be involved with cabling to understand the concept of punch
down
>blocksit's the location where the cable wires connect...some times they
>are small plastic blocks with different colorswhen you scrape a cat5
>cable open you see different color wires...they correspond to the blocks
for
>connections.you also have a tool called a punch down tool used to
insert
>the wires into the  block...you are punching the wires
>down...'punch-down'.

And in a home office/network such as mind, you must always be 
conscious of the different techniques involved in managing cat 5 and 
one cator being managed by the cat one, who really is an 
important contributor to many of my works.

>
>you, bradley, are more than right about terminology...there are too many in
>this great universe and 'we' must clarify them..and help others to
>understand what we meanfor example ASP has many new meanings...

I used to think ASP was the serpent that Cleopatra used to do herself 
in, became confused by some Application Service Provider salesdroids, 
and then was comforted to recognize the similarities between certain 
salesdroids and bad-tempered snakes.

That doesn't mean that I am not on reasonable social terms with 
several snakes of the reptilian sort.  As an old IBM networking sort, 
let me point out that the first three letters of snake are SNA. 
Coincidence? You decide. Bwahahaha

>and please do not be afraid to ask any question...chuck larrieu has help me
>to configure ipx on a cisco router...he looked at my configuration and
found
>the answer even when cisco tac had no ideadoes that mean that they are
>not qualified...no...it means that we have some very qualified people on
>this  list who are more than willling to help! we cannot and must not
>close our eyes to sharing knowledge for the development of all man-kind and
>future network engineers
>
>thank all of you and keep up the good work.
>lawrence a sculark
>mba/ma, ccna,cnx-a,mcp,cna

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RE: Merry Christmas

[Doneit, Dieter]

I second that motion all the best to everyone.

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: 22 December 2000 1:16 PM
To: [EMAIL PROTECTED]
Subject: Merry Christmas


Dear all helpful souls in the list,

I wish you a very Merry Christmas and Happy New year!

S.Kalidasan

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Book on ISDN

[Raphael Kruczkowski]

Hello,

I want to learn about ISDN, more specifically the basic-net3
switch-type.  I want to know how the S0 bus works and all the other good
things.

I have been searching CCO and Amazon for the past 2 hours and cannot
find any good info.  I'm looking for any good book recommendations.

Thanks.

  --
 /Raphael Kruczkowski
| CCNA, CCDA, (BCRAN,BCMSN), MCSE
| Technical Consultant, NETDESIGN GmbH
| www.netdesign-wt.de www.kruczkowski.com
| Work: +49-6035-91450  Cell:0171-9365671
| EMail: [EMAIL PROTECTED] 

"Linux systems and other versions of Unix have not suffered from the
virus problems that plague Windows systems, so don't bother looking for
anti-virus software for Unix."  - Microsoft TechNet, "The Dangers of
PPP"

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Re: Disconnecting ISDN

[Alfredo Pulido]

Too,


isdn disconnect interface

To disconnect an ISDN data call without bringing down the interface, use the isdn
disconnect interface command in privileged EXEC mode.

isdn disconnect interface interface {b1 | b2 | all}

Syntax Description

  interface
 Interface type and number, such as bri 0.
  b1
 B channel 1.
  b2
 B channel 2.
  all
 B channels 1 and 2.

http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121cgcr/dial_r/drdrisla.htm#xtocid47610

SAMPLE --> isdn disconnect interface bri 0 b1

Alfredo Pulido

CCDA, preparing CCNA


¡¡¡MERRY CHRISTMAS !!! FOR ALL  FROM CANARY ISLAND (SPAIN)

Herold Heiko wrote:

> Clear the whole bri or the subinterface concerned,
> clear int bri 0
> or clear int bri 0:2
>
> Heiko
>
> --
> -- PREVINET S.p.A.[EMAIL PROTECTED]
> -- Via Marocchesa, 14 ph  x39-041-5907073
> -- I-31021 Mogliano V.to (TV) fax x39-041-5907087
> -- ITALY
>
> >-Original Message-
> >From: Hans Stout [mailto:[EMAIL PROTECTED]]
> >Sent: Thursday, December 21, 2000 9:45 AM
> >To: [EMAIL PROTECTED]
> >Subject: Disconnecting ISDN
> >
> >
> >Hello colleagues,
> >
> >do you know if there is an IOS command that allows to
> >disconnect an ISDN
> >call ? So far, I usually shutdown the BRI to disconect the
> >call, but I have
> >a feeling there might be an easier way.
> >Thanks for your help in advance.
> >
> >Georg Pauwen
> >___
> >__
> >Get Your Private, Free E-mail from MSN Hotmail at
> >http://www.hotmail.com.
> >
> >_
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Re: Pass Written

[Hubert Pun]

Here is what I used for the written exam yesterday

Doyle's book (too detail and too good for the written)
Kennedy's LAN Switching book (also too detail and too good for written)
Caslow book (ok, but too many editing error and too easy on the WAN, Routing
Protocol sections)
certification zone (harder than the real one)
All-in-one Lab book (which does not really help for the written).
exam-cram (too easy, not useful)

the courses that I took are ACRC, BCMSN, BCRAN and BGP courses.

btw, did you receive any email from study group for the last week?  i don't.

Hubert


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Re: Router ID in OSPF

[Tien Dao]

Only when the reloading the router or doing copy/paste no router ospf id, 
then router ospf id


>From: Marty Adkins <[EMAIL PROTECTED]>
>Reply-To: Marty Adkins <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>CC: "Howard C. Berkowitz" <[EMAIL PROTECTED]>
>Subject: Re: Router ID in OSPF
>Date: Fri, 22 Dec 2000 11:01:35 -0500
>
>"Howard C. Berkowitz" wrote:
> >
> > >Hi everybody:
> > >I am study BSCN,there are something confused me:
> > >in the book they says:The highest IP address on an active interface is
> > >normally used as the router ID, but this can be overridden by 
>configuring an
> > >IP address on a loopback interface.
> > >I want to know which will be the Router ID if the loopback IP address
> > >smaller than the active interface IP address?
> > >Any suggestion will be appreciate,thanks.
> > >
> > >Will Guan
> > >frome Peking, China
> >
> > If there are multiple loopback, the router ID will be the numerically
> > highest IP address on any loopback. In other words,
>   [snip]
>And the part that some folks forget is that once a router ID is active,
>it will not change if another interface is made active, or the IP of
>another interface is changed to a higher value.  The rationale is
>stability, since all other routers in the area are tracking this one
>by its present router ID.  The same principle applies to the DR election
>-- there is no coup option.
>
>Now if you were to shut down the interface with the existing router ID...
>
>   Marty Adkins Email: [EMAIL PROTECTED]
>   Mentor Technologies  Phone: 410-280-8840 x3006
>   275 West Street, Plaza 70WWW: http://www.mentortech.com
>   Annapolis, MD  21401 Cisco CCIE #1289
>
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Re: OT- Cisco Lab Equipment for sale

[Manny Akintayo]

Do you still have these routers  ?

If you do , I'm interested. I can be reached at 201 332 5565.

Otherwise forget about it..

Thanks

Manny


Luke Ellezer wrote:

> Off topic
> 2 x 2503 (1 Ether, 2 Serial 1 BRI) I am packaging an
> NT1 and a serial cable
> per router.  8 MB Flash, 16 MB Dram. - $850.00 each
>
> Please email me at [EMAIL PROTECTED]
>
> Regards,
>
> Luke
>
> __
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> Yahoo! Calendar - Get organized for the holidays!
> http://calendar.yahoo.com/
>
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Re: Two DLCI numbers?

[Timothy R Estes]

DLCIs are unique to each frame switch. Meaning, you may have DLCI 203 on one
end, and have DLCI 203 on the other, as long as the other end is connected
to a different frame switch. Or you may have DLCI 203 on one end and DLCI
405 on the other. The DLCI has nothing to do with there the traffic is
eventually going, that's why Cisco uses the term "local significance".

The DLCI tells the frame switch which port to use.
Remembering that a DLCI is a Layer 2 address might help this make sense.


hth

Timothy Estes CCNA
Senior Network Systems Analyst
Intermedia Communications
Tampa FL
[EMAIL PROTECTED]

""Yee, Jason"" <[EMAIL PROTECTED]> wrote in message
859B90209E2FD311BE5600902751445D35F19B@LYNX">news:859B90209E2FD311BE5600902751445D35F19B@LYNX...
> reason is because when building the frame-relay circuit you need to build
> two parts , one is towards the customer from frame switch  the other one
is
> from provider's router to frame-switch , I normally use the same dlci nos
> for the two parts but you can use different
>
>
>
> Jason
>
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> Jeff McCoy
> Sent: Friday, November 03, 2000 9:37 PM
> To: [EMAIL PROTECTED]
> Subject: Re: Two DLCI numbers?
>
>
>
>
> "jeongwoo park" <[EMAIL PROTECTED]> wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > Hi all
> > While I was reading a cisco book, I came across the
> > fact that DLCI number has only local significance
> > because there might be more than one DLCI number
> > associated with one pvc.
> > Why would any pve in frame relay network have two DLCI
> > numbers?
> > I know that DLCI number is given by frame relay
> > service provider.
> > Can someone explain this?
> >
> > Thanks in adv.
> >
> > jeongwoo
> >
> >
> > __
> > Do You Yahoo!?
> > From homework help to love advice, Yahoo! Experts has your answer.
> > http://experts.yahoo.com/
> >
> > _
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Re: Transceiver Pinout's ???

[Manny Akintayo]

send them back and or demand a refund

Circusnuts wrote:

> I bought a couple of Asante FriendlyNet transceivers & they have (what I =
> believe to be) Apple LAN connectors (& not 15 pin AUI).  Has anyone ever =
> dealt with the pin-out's on these things ???  Any advice short of the =
> round file basket.  I checked the website & could hardly tell exactly =
> what Asante sells or supports these days...
>
> Thanks !!!
> Phil
>
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Re: Lab for sale

[Manny Akintayo]

What are the specs on these routers.
Memory information.. flash etc

my cisco wrote:

> Hi
>
> The following routers are up for sale at 50% of cisco costs(negotiable). Any guys 
>interested may pls mail me back. These routers are basically being used in a lab.
>
> Baystack 350T   2
> Cisco 1900 switch   3
> Cisco 2522 routers  2
> 2501 routers6
> 25012
> 25091
> 25031
> 25221
> 4000 series 1
> 4500 series 1
>
> bye
>
> _
> PS: Hey! Don't you want to save on your web hosting
> costs? Visit http://www.IndNet.net, they are good!
> PPS: Sign-up for a new FREE [EMAIL PROTECTED]
> and win a 18" Color LCD Monitor!! http://www.POPaccount.com
>
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frame-relay interface-dlci

[pierreg]

I have spent many hours trying to comprehend the exerpt bellow (from Cisco CD). Still 
no light. Can someone help?

"This command is typically used for subinterfaces; however, it can also be used on 
main interfaces. Using the frame-relay interface-dlci command on main interfaces will 
enable the use of routing protocols on interfaces that use Inverse ARP. The 
frame-relay interface-dlci command on a main interface is also valuable for assigning 
a specific class to a single PVC where special characteristics are desired."

1. How can the command frame-relay interface-dlci enable the use of routing 
protocols??!!??
2. What do they mean by "specific class"?
3. What characteristics are they talking about?

Please explain AND illustrate each point...

Thankfully,

Pierre-Alex

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frame-relay

[Pierre-Alex GUANEL]

I have spent many hours trying to comprehend the exerpt bellow (from Cisco CD). Still 
no light. Can someone help?

"This command is typically used for subinterfaces; however, it can also be used on 
main interfaces. Using the frame-relay interface-dlci command on main interfaces will 
enable the use of routing protocols on interfaces that use Inverse ARP. The 
frame-relay interface-dlci command on a main interface is also valuable for assigning 
a specific class to a single PVC where special characteristics are desired."

1. How can the command frame-relay interface-dlci enable the use of routing 
protocols??!!??
2. What do they mean by "specific class"?
3. What characteristics are they talking about?

Please explain AND illustrate each point...

Thankfully,

Pierre-Alex



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Frame-Relay (urgent)

[Pierre-Alex GUANEL]

Hi Chuck,

I have sent countless messages to the group. None seem were posted Would you post 
the following for me this is kind of urgent. (Is there a filter somewhere for people 
who ask dum or too many question??) Thanks,

Pierre


I have spent many hours trying to comprehend the exerpt bellow (from Cisco CD). Still 
no light. Can someone help?

"This command is typically used for subinterfaces; however, it can also be used on 
main interfaces. Using the frame-relay interface-dlci command on main interfaces will 
enable the use of routing protocols on interfaces that use Inverse ARP. The 
frame-relay interface-dlci command on a main interface is also valuable for assigning 
a specific class to a single PVC where special characteristics are desired."

1. How can the command frame-relay interface-dlci enable the use of routing 
protocols??!!??
2. What do they mean by "specific class"?
3. What characteristics are they talking about?

Please explain AND illustrate each point...

Thankfully,

Pierre-Alex



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Re: can u route in boot mode?

[Manny Akintayo]

no you can not route.Your router is in a coma-like state.

a wrote:

> I have recently read that you can not route while in boot mode (0x101). I
> have a 7000 router and am able to route in boot mode just fine? what gives?
> thx a bunch.
>
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Re: MCSE OR CCNA

[Manny Akintayo]

one has very little to do with the other.
I would recommend that you try to obtain your CCNA.
Best of luck

Jide Akintayo
Adedapo Omisore wrote:

> Please I need the advice of somebody in the house.
> I want to start my cisco certification next year, must I have my MCSE first
> before moving in to CCNA ? or I can do it directly without bothering myself
> with MCSE first.
> Any little advice will be appreciated.
>
> Thank you.
> _
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RE: can u route in boot mode?

[Kane, Christopher A.]

My experience has been that you can't route packets, so it couldn't be
"production". But, you could setup a default gateway. This way you could
telnet to the router and setup to get IOS via TFTP.

-Original Message-
From: Manny Akintayo [mailto:[EMAIL PROTECTED]]
Sent: Friday, December 22, 2000 9:46 AM
To: [EMAIL PROTECTED]
Subject: Re: can u route in boot mode?


no you can not route.Your router is in a coma-like state.

a wrote:

> I have recently read that you can not route while in boot mode (0x101). I
> have a 7000 router and am able to route in boot mode just fine? what
gives?
> thx a bunch.
>
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Re: what is a CSU/DSU?

[Priscilla Oppenheimer]

Cisco has a great glossary here:

http://www.cisco.com/univercd/cc/td/doc/cisintwk/ita/index.htm

I also use the terrific Webopaedia glossary here a lot:

http://www.webopaedia.com/

Both these sources define CSU/DSU. Hope that helps. Happy Holidays!

Priscilla


At 08:14 AM 12/22/00, Bradley J. Wilson wrote:
>Folks, is it really necessary to pounce on someone for asking an occasional
>"simple" question?  Okay, so CSU/DSUs are basic networking gear.  But guess
>what: *none* of the CCNA material I studied ever went into any great detail
>on what exactly this thing was or did, and coming from the technical
>training side of the house never dealt with one until very recently.  Other
>examples: I have no idea what a "punch-down block" or a "patch panel" is.
>Maybe I've dealt with them before and would know if someone said "*That* is
>a patch panel," but the fact is that most of the CC** materials only focus
>on the routers and switches, and not so much on the peripheral yet essential
>devices.
>
>So, in other words, back off when someone asks a question you think is
>"beneath" you or this group.  Just don't answer if you don't want to.  But
>there are lots of valid, basic questions out there that yes, even CCNP/IE
>candidates would like answers to.  It would be a shame if they felt they
>weren't "allowed" to ask those questions here.
>
>Sincerely,
>
>Bradley J. Wilson
>Who, despite being a CCNA, CCDA, MCSE, CNX-A, NNCSS, MCT and CTT, does not
>know what a punch-down block is.  Sue me.
>
>
>- Original Message -
>From: netlinesys
>Newsgroups: groupstudy.cisco
>To: [EMAIL PROTECTED]
>Sent: Friday, December 22, 2000 7:55 AM
>Subject: re: what is a CSU/DSU?
>
>
>Zhiping,
>
>If u know the basic of networking , u can answer this question !!??
>I found it difficult for CCNP candidate to ask this question.
>
>- Original Message -
>From: "Zhiping Li" <[EMAIL PROTECTED]>
>Newsgroups: groupstudy.cisco
>Sent: Friday, December 22, 2000 12:37 PM
>Subject: what is a CSU/DSU?
>
>
> > Hi,ciscoer:
> >
> > when I study cisco ccnp,
> > I always find CSU/DSU,
> > what are them?
> > what are their use?
> > Are they some kind of MODEM?
> > thanks .
> >
>
>
>
>_
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Priscilla Oppenheimer
http://www.priscilla.com

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RE: what is a CSU/DSU ??

[Chuck Larrieu]

I presume you mean "gracefully shut down" as opposed to "turn off the
switch" or "pull the plug"  ;->

Let he who has never done either of the latter cast the first stone..

-Original Message-
From:   [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of
netlinesys
Sent:   Friday, December 22, 2000 9:36 AM
To: [EMAIL PROTECTED]
Subject:Re:what is a CSU/DSU ??

Bradley,

U may be right , there was someone who join the IT migration team for less a
week , he is CNE, MCSE, CCNA and ACRC did not know how to switch of a Compaq
server ( I suppose this is not his fault because it was not thought in any
of the above courses ) .. this is real by way


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RE: frame-relay

[Chuck Larrieu]

Comments within:

-Original Message-
From:   [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of
Pierre-Alex GUANEL
Sent:   Friday, December 22, 2000 11:37 AM
To: [EMAIL PROTECTED]
Subject:frame-relay

I have spent many hours trying to comprehend the exerpt bellow (from Cisco
CD). Still no light. Can someone help?

CL: isn't there a Beatles' song along these lines?

"This command is typically used for subinterfaces; however, it can also be
used on main interfaces. Using the frame-relay interface-dlci command on
main interfaces will enable the use of routing protocols on interfaces that
use Inverse ARP. The frame-relay interface-dlci command on a main interface
is also valuable for assigning a specific class to a single PVC where
special characteristics are desired."

1. How can the command frame-relay interface-dlci enable the use of routing
protocols??!!??

CL: it doesn't directly. But placing the command aids in the inverse-arp
process.  I suggest reading Caslow's chapter on frame-relay, and then trying
a few of his examples to absorb the complexities involved.

2. What do they mean by "specific class"?

CL: I believe they are referring to QoS or traffic shaping. In general, one
trick of the trade is to add PVC's and assign different classes of service
to those PVC's. Folks doing voice over frame have told me they do things
like this.

3. What characteristics are they talking about?

CL: see previous answer

Please explain AND illustrate each point...

CL: left my crayons elsewhere. Besides, they don't work well in e-mail.
Sorry :->

Thankfully,

CL: you're welcome-ly  :->
Have a great holiday!!!

Chuck

Pierre-Alex



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Re: Ethernet WIC for 1700 router

[Greg Reaume]

My understanding was the part number would be WIC-1FE since the 1700 series
runs fast ethernet interfaces.  ISL can only be done with fast ethernet
interfaces but I haven't seen any documentation yet about wheather or not
the 1700 series supports ISL at all.  Can anyone else clear this up?

Greg


"Andrew Larkins" <[EMAIL PROTECTED]> wrote in message
8F5F72F80EF5D311ADE600A0C9DCF862BEAC77@UBDCCOMJHBEX">news:8F5F72F80EF5D311ADE600A0C9DCF862BEAC77@UBDCCOMJHBEX...
Does anyone have an idea if the new wic-1enet supports ISL


Andrew Larkins
BCom, CCNA, CCDA
Bytes Technology Group
Tel: +2711 800-9300
Fax: +2711 800-9496
Cell: +2783-656-7214
Email: [EMAIL PROTECTED]
OR   [EMAIL PROTECTED]


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Re: Access List/EIGRP Problem

[Minh Vu]

I agreed with Chuck.

If your first line in ACL is "Deny ip host 0.0.0.0 any", seem to me it will
deny all IP regardless you put permit IP after it. (as of my head, router
will go from top down, which is check 1st ACL if not match then go to 2nd
ACL and if not match then go to 3rd ACLand so on...)  In this case you
put the deny any host on your 1st ACL then it match therefore it will drop
the packet without go to next ACL.


> >ip access-list extended FrameInbound
> >deny   ip host 0.0.0.0 any
> >permit ip 192.168.50.0 0.0.0.255 192.168.5.0 0.0.0.255
> >



- Original Message -
From: "Chuck Larrieu" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, December 22, 2000 1:30 PM
Subject: RE: Access List/EIGRP Problem


> This topic brings up some of the subtleties with regards to access lists.
> Now that I am looking into more complex interactions among protocols and
> services, I am finding that just about any time I have to engage
> access-lists I have to begin thinking in far broader terms than I am used
> to. And certainly in far broader terms than several of the well known
> introductory and CCNA level books suggest.
>
> There is nothing like applying a standard access list to an interface,
then
> a few minutes later seeing your routes disappear!
>
> Some of the more advanced texts suggest constructing access-lists such
that
> most specific items appear first, and then filter down to least specific.
> Others may suggest that one put the mostly likely to be used things at the
> top of the lists and work down.
>
> I'm getting to the point where I have to remember to put routing protocol
> items at the top of my lists.
>
> I guess what I'm getting to in my rambling way is that access-list
> construction and placement is probably more of n art than a science. One
> must always consider what one is doing, and why. One must always consider
> the law of unintended consequences.
>
> Happy holidays!
>
> Chuck
>
>
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of
> Stephen Skinner
> Sent: Friday, December 22, 2000 12:42 AM
> To: [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]
> Subject: RE: Access List/EIGRP Problem
>
>
> your access-list is the wrong way round ..you have a deny host any any
> I.E your 0.0.0.0 is treated as a any any  then the permit
> if oyu put them the other way round it should work
>
> >From: "Stull, Cory" <[EMAIL PROTECTED]>
> >Reply-To: "Stull, Cory" <[EMAIL PROTECTED]>
> >To: "'Edward Gomez'" <[EMAIL PROTECTED]>,
"'[EMAIL PROTECTED]'"
> >  <[EMAIL PROTECTED]>
> >Subject: RE: Access List/EIGRP Problem
> >Date: Tue, 19 Dec 2000 09:05:07 -0600
> >
> >Edward,
> >
> >Without seeing your whole config we can't be positive but your probably
> >also
> >blocking your EIGRP hellos.   You might want to go with distribute-list
> >anyway.   Go to cisco.com and lookup distribute-list and go to the link
on
> >using it with EIGRP.
> >
> >Good luck
> >Cory
> >
> >-Original Message-
> >From: Edward Gomez [mailto:[EMAIL PROTECTED]]
> >Sent: Tuesday, December 19, 2000 8:30 AM
> >To: '[EMAIL PROTECTED]'
> >Subject: Access List/EIGRP Problem
> >
> >
> >Hi everybody,
> >
> >I am having an issue with the following access list. I am trying to put
an
> >ACL on my frame router that can limit which network inside my company a
> >partner
> >can access. I basically want any traffic coming from 192.168.50.0 to be
> >able
> >to go to 192.168.5.0. When I apply the access list nothing gets through.
> >If I ping a remote address I get a TTL expired in transit. I am running
> >EIGRP between the routers. Do I need to have an access list that allows
> >access to the LAN side for EIGRP updates? or is this done via the WAN
port?
> >What am I doing wrong here??
> >
> >
> >ip access-list extended FrameInbound
> >deny   ip host 0.0.0.0 any
> >permit ip 192.168.50.0 0.0.0.255 192.168.5.0 0.0.0.255
> >
> >I have also tried: permit ip 192.168.50.0 0.0.0.255 host 192.168.5.0 and
> >that did not work either.
> >
> >Thanks in advance!!!
> >
> >Eddie
> >--
> >Edward J. Gomez, MCSE, CNE, CCNA
> >Information Systems Manager
> >ProxyMed, Inc
> >2555 Davie Road,
> >Suite 110
> >Fort Lauderdale, Florida 33317
> >(954) 473-1001 x315
> >http://www.proxymed.com
> >
> >_
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Re: leased link BW**********

[Gareth Hinton]

I take it the max bps would be 65536 for a 64k link (64x1024) would it?

Not too important, just checking.

Gareth

<[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Your leased line is full duplex.  You can get up to 64 Kbps inbound, *and*
> up to 64 Kbps outbound.
>
> (Aside - I have seen, on *very* heavily loaded ISDN B-channels on a PRI,
> output rates of 65000 bps reported.  Not a pretty sight.)
>
> JMcL
> -- Forwarded by Jenny Mcleod/NSO/CSDA on 21/12/2000
> 08:32 am ---
>
>
> Study Cisco <[EMAIL PROTECTED]>@groupstudy.com on 21/12/2000 12:26:53 am
>
> Please respond to Study Cisco <[EMAIL PROTECTED]>
>
> Sent by:  [EMAIL PROTECTED]
>
>
>
> To:   "Scott McClure, CCNP, CCDA, MCNE" <[EMAIL PROTECTED]>
>   [EMAIL PROTECTED]
> cc:
>
>
> Subject:  Re: leased link BW**
>
>
> yes that is bcause that time the out going traffic was
> less...but what i want to ask is my leased link is 64
> kbits then why it is showing 62000 + 6000 kbits =
> 68000 k bits
>
>
> --- "Scott McClure, CCNP, CCDA, MCNE"
> <[EMAIL PROTECTED]> wrote:
> > The load on the link is 23/255 or roughly 9%
> >
> > --
> >
> > When I disagree with a rational man, I let reality
> > be our final arbiter; If
> > I am right, he will learn, If I am wrong, I will;
> > one of us will win, but
> > both of us will profit.
> >  -
> > John Galt
> >
> >
> >
> > "Study Cisco" <[EMAIL PROTECTED]> wrote in message
> >
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > > hi
> > > i hav a 64 kb leased link and while monitoring
> > link
> > > load it show following readings, but i am not able
> > to
> > > understand
> > > that how it can exceed 64 kbits /sec.which the the
> > > actual bw. or is there any problem in my
> > > understanding.pls tell
> > > me.
> > >
> >
>

>
> > **
> > > Hardware is CD2430 in sync mode
> > >   Internet address is 10.254.2.25/30
> > >   MTU 1500 bytes, BW 64 Kbit, DLY 2 usec, rely
> > > 255/255, load 23/255
> > >   Encapsulation HDLC, loopback not set, keepalive
> > set
> > > (10 sec)
> > >   Last input 00:00:00, output 00:00:00, output
> > hang
> > > 3d23h
> > >   Last clearing of "show interface" counters 3w6d
> > >   Queueing strategy: fifo
> > >   Output queue 0/40, 26596 drops; input queue
> > 0/75, 0
> > > drops
> > >   5 minute input rate 62000 bits/sec, 8
> > packets/sec
> > >   5 minute output rate 6000 bits/sec, 13
> > packets/sec
> > >  11383396 packets input, 1557074354 bytes, 0
> > no
> > > buffer
> > >  Received 606899 broadcasts, 0 runts, 6 giants
> > >  33798 input errors, 25476 CRC, 0 frame, 65
> > > overrun, 0 ignored, 6357 abort
> > >  15716155 packets output, 2267344110 bytes, 0
> > > underruns
> > >  305 output errors, 0 collisions, 133
> > interface
> > > resets
> > >  0 output buffer failures, 0 output buffers
> > > swapped out
> > >  15174 carrier transitions
> > >  DCD=up  DSR=up  DTR=up  RTS=up  CTS=up
> > >
> >
>

>
> > **
> > >
> > >
> > > __
> > > Do You Yahoo!?
> > > Yahoo! Shopping - Thousands of Stores. Millions of
> > Products.
> > > http://shopping.yahoo.com/
> > >
> > > _
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> >
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>
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Why is this thread called " thanks chuck!!!"

[Chuck Larrieu]

??

-Original Message-
From:   [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of
lawrence sculark
Sent:   Friday, December 22, 2000 8:44 AM
To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Subject:thanks chuck!!!

you have to be involved with cabling to understand the concept of punch down
blocksit's the location where the cable wires connect...some times they
are small plastic blocks with different colorswhen you scrip a cat5
cable open you see different color wires...they correspond to the blocks for
connections.you also have a tool called a punch down tool used to insert
the wires into the  block...you are punching the wires
down...'punch-down'.

you, bradley, are more than right about terminology...there are too many in
this great universe and 'we' must clarify them..and help others to
understand what we meanfor example ASP has many new meanings...
and please do not be afraid to ask any question...chuck larrieu has help me
to configure ipx on a cisco router...he looked at my configuration and found
the answer even when cisco tac had no ideadoes that mean that they are
not qualified...no...it means that we have some very qualified people on
this  list who are more than willling to help! we cannot and must not
close our eyes to sharing knowledge for the development of all man-kind and
future network engineers

thank all of you and keep up the good work.
lawrence a sculark
mba/ma, ccna,cnx-a,mcp,cna
[phd in progress]


>From: "Bradley J. Wilson" <[EMAIL PROTECTED]>
>Reply-To: "Bradley J. Wilson" <[EMAIL PROTECTED]>
>To: "cisco" <[EMAIL PROTECTED]>
>Subject: Re: what is a CSU/DSU?
>Date: Fri, 22 Dec 2000 08:14:15 -0500
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>
>Folks, is it really necessary to pounce on someone for asking an occasional
>"simple" question?  Okay, so CSU/DSUs are basic networking gear.  But guess
>what: *none* of the CCNA material I studied ever went into any great detail
>on what exactly this thing was or did, and coming from the technical
>training side of the house never dealt with one until very recently.  Other
>examples: I have no idea what a "punch-down block" or a "patch panel" is.
>Maybe I've dealt with them before and would know if someone said "*That* is
>a patch panel," but the fact is that most of the CC** materials only focus
>on the routers and switches, and not so much on the peripheral yet
>essential
>devices.
>
>So, in other words, back off when someone asks a question you think is
>"beneath" you or this group.  Just don't answer if you don't want to.  But
>there are lots of valid, basic questions out there that yes, even CCNP/IE
>candidates would like answers to.  It would be a shame if they felt they
>weren't "allowed" to ask those questions here.
>
>Sincerely,
>
>Bradley J. Wilson
>Who, despite being a CCNA, CCDA, MCSE, CNX-A, NNCSS, MCT and CTT, does not
>know what a punch-down block is.  Sue me.
>
>
>- Original Message -
>From: netlinesys
>Newsgroups: groupstudy.cisco
>To: [EMAIL PROTECTED]
>Sent: Friday, December 22, 2000 7:55 AM
>Subject: re: what is a CSU/DSU?
>
>
>Zhiping,
>
>If u know the basic of networking , u can answer this question !!??
>I found it difficult for CCNP candidate to ask this question.
>
>- Original Message -
>From: "Zhiping Li" <[EMAIL PROTECTED]>
>Newsgroups: groupstudy.cisco
>Sent: Friday, December 22, 2000 12:37 PM
>Subject: what is a CSU/DSU?
>
>
> > Hi,ciscoer:
> >
> > when I study cisco ccnp,
> > I always find CSU/DSU,
> > what are them?
> > what are their use?
> > Are they some kind of MODEM?
> > thanks .
> >
>
>
>
>_
>FAQ, list archives, and subscription info:
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RE: Why is this thread called " thanks chuck!!!"

[Ole Drews Jensen]

Try to do a search on your name in this e-mail, and you'll see :-)

Have a great Christmas,

Ole


 Ole Drews Jensen
 Systems Network Manager
 CCNA, MCSE, MCP+I
 RWR Enterprises, Inc.
 [EMAIL PROTECTED]
 http://www.oledrews.com/ccnp

 NEED A JOB ???
 http://www.oledrews.com/job




-Original Message-
From: Chuck Larrieu [mailto:[EMAIL PROTECTED]]
Sent: Friday, December 22, 2000 4:29 PM
To: [EMAIL PROTECTED]
Subject: Why is this thread called " thanks chuck!!!"


??

-Original Message-
From:   [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of
lawrence sculark
Sent:   Friday, December 22, 2000 8:44 AM
To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Subject:thanks chuck!!!

you have to be involved with cabling to understand the concept of punch down
blocksit's the location where the cable wires connect...some times they
are small plastic blocks with different colorswhen you scrip a cat5
cable open you see different color wires...they correspond to the blocks for
connections.you also have a tool called a punch down tool used to insert
the wires into the  block...you are punching the wires
down...'punch-down'.

you, bradley, are more than right about terminology...there are too many in
this great universe and 'we' must clarify them..and help others to
understand what we meanfor example ASP has many new meanings...
and please do not be afraid to ask any question...chuck larrieu has help me
to configure ipx on a cisco router...he looked at my configuration and found
the answer even when cisco tac had no ideadoes that mean that they are
not qualified...no...it means that we have some very qualified people on
this  list who are more than willling to help! we cannot and must not
close our eyes to sharing knowledge for the development of all man-kind and
future network engineers

thank all of you and keep up the good work.
lawrence a sculark
mba/ma, ccna,cnx-a,mcp,cna
[phd in progress]


>From: "Bradley J. Wilson" <[EMAIL PROTECTED]>
>Reply-To: "Bradley J. Wilson" <[EMAIL PROTECTED]>
>To: "cisco" <[EMAIL PROTECTED]>
>Subject: Re: what is a CSU/DSU?
>Date: Fri, 22 Dec 2000 08:14:15 -0500
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>Precedence: bulk
>
>Folks, is it really necessary to pounce on someone for asking an occasional
>"simple" question?  Okay, so CSU/DSUs are basic networking gear.  But guess
>what: *none* of the CCNA material I studied ever went into any great detail
>on what exactly this thing was or did, and coming from the technical
>training side of the house never dealt with one until very recently.  Other
>examples: I have no idea what a "punch-down block" or a "patch panel" is.
>Maybe I've dealt with them before and would know if someone said "*That* is
>a patch panel," but the fact is that most of the CC** materials only focus
>on the routers and switches, and not so much on the peripheral yet
>essential
>devices.
>
>So, in other words, back off when someone asks a question you think is
>"beneath" you or this group.  Just don't answer if you don't want to.  But
>there are lots of valid, basic questions out there that yes, even CCNP/IE
>candidates would like answers to.  It would be a shame if they felt they
>weren't "allowed" to ask those questions here.
>
>Sincerely,
>
>Bradley J. Wilson
>Who, despite being a CCNA, CCDA, MCSE, CNX-A, NNCSS, MCT and CTT, does not
>know what a punch-down block is.  Sue me.
>
>
>- Original Message -
>From: netlinesys
>Newsgroups: groupstudy.cisco
>To: [EMAIL PROTECTED]
>Sent: Friday, December 22, 2000 7:55 AM
>Subject: re: what is a CSU/DSU?
>
>
>Zhiping,
>
>If u know the basic of networking , u can answer this question !!??
>I found it difficult

Passed CID3.0 640-025

[Craig Columbus]

Today, exactly 1 month after I was given the wrong version of 640-025 (the 
2.0 version), I took the correct version (3.0) and passed with flying colors.
Compared to the 2.0 version, CID3.0 is a walk in the park.  The questions 
are not difficult, but the wording can be quite frustrating.  Without 
breaking NDA, let me say that there were several questions for which the 
answer was *completely* subjective.  I don't mind picking the best solution 
out of a list of good solutions...but I seriously get annoyed at having to 
take a 50/50 shot at guessing from two completely correct answers.   For 
those who will attempt the exam soon, read the Cisco exam blueprint for 
what to study.  If you don't deal with SNA,  X.25, and Appletalk on a 
regular basis, make sure you brush up.  Take your time and read the 
questions carefully.  Think about what Cisco is really asking.  Cisco 
allows 2 hours to complete the exam, and even going slowly and taking my 
time, I finished in about an hour.
Merry Christmas!

Craig

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RE: Marry Christmas to all / Feliz Navidad

[Kathy Mihalisko]

In the same spirit of Internationalism that is the Cisco community, I wish
everyone, "po-russki" -- in Russian

S rozhdestvom Khristovym i s novym godom (Merry Xmas + Happy New Year!!)

Kathy "Katyusha" Mihalisko

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Jorge Rodriguez
Sent: Friday, December 22, 2000 4:01 PM
To: [EMAIL PROTECTED]
Subject: Marry Christmas to all / Feliz Navidad


Marry Christmas to all / Feliz Navidad

Please see attach file

Jorge Rodriguez /CCNA
Network Analyst
R&S Networks Inc
1112 Boylston Street
Suite 222
Boston, MA 02115
1-781-614-1294
1-617-541-4197 Evenings
http://www.netwire.n3.net/
http://www.learncisco.n3.net/



iWon.com   http://www.iwon.com why wouldn't you?


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AAA Config question

[Robert Yee]

Hi all, 
I'm in the process of testing out a AAA config on a router, and if
successful I will be rolling this out to my network. 
The config seems to work very well with CiscoSecure ACS for NT 2.4. However,
ther are some quircks that I'm just not sure about. 
The following is the config that I'm using: 
hostname Router1
!
aaa new-model
aaa authentication login list1 local group tacacs+
aaa authentication ppp list1 local group tacacs+
aaa authorization exec list1 local group tacacs+ 
aaa authorization network list1 local group tacacs+ 
aaa accounting exec list1 start-stop group tacacs+
aaa accounting network list1 start-stop group tacacs+
enable password cisco
!
username user1 password 0 cisco
!
tacacs-server host 172.16.1.211
tacacs-server key 12345
!
line con 0
password cisco
transport input none
line aux 0
line vty 0 4
password cisco
login authentication list1 
Questions: 
1. When I try and setup the method list (list1) for authentication with
tacacs+ first then local, it does not allow local authentication, it wll
only look to the tacacs+ server for validation. However, if I list local
first, then tacacs+, it'll work as desired. Why is this so? Shouldn't it
work the other way around also? 
2. I've shosen to implement the authentication on vty sessions only by using
the 'login authentication list1' command that I read on CCO. The ACS sotwre
suggested that I use the combination 'aaa authen login no_tacacs enable/line
con 0/ login authen no_tacas' command. However, when I tried this, it
totally bombed. What did I do wrong? 
Thanks! 
Robert 

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Re: Passed CID3.0 640-025

[Andre' Paree-Huff]

Can we asked what percentage you got on the "security" section? Just
crouious...everyone I know that has taken it (passed or failed) has gotten
0% on security


André Paree-Huff
A+, ASE, CCDA, CCNP
MCSE+I, NET+, I-NET+
[EMAIL PROTECTED]
[EMAIL PROTECTED]
AOL AIM: pareehuff

- Original Message -
From: "Craig Columbus" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, December 22, 2000 6:03 PM
Subject: Passed CID3.0 640-025


> Today, exactly 1 month after I was given the wrong version of 640-025 (the
> 2.0 version), I took the correct version (3.0) and passed with flying
colors.
> Compared to the 2.0 version, CID3.0 is a walk in the park.  The questions
> are not difficult, but the wording can be quite frustrating.  Without
> breaking NDA, let me say that there were several questions for which the
> answer was *completely* subjective.  I don't mind picking the best
solution
> out of a list of good solutions...but I seriously get annoyed at having to
> take a 50/50 shot at guessing from two completely correct answers.   For
> those who will attempt the exam soon, read the Cisco exam blueprint for
> what to study.  If you don't deal with SNA,  X.25, and Appletalk on a
> regular basis, make sure you brush up.  Take your time and read the
> questions carefully.  Think about what Cisco is really asking.  Cisco
> allows 2 hours to complete the exam, and even going slowly and taking my
> time, I finished in about an hour.
> Merry Christmas!
>
> Craig
>
> _
> 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: AAA Config question

[ItsMe]

First #1 If tacas+ is first it will go to the server for authentication. If
the server goes down it will use local. That's probably what you want. The
local allows you to login to fix a router problem if the server is down.

And #2 It looks like you are telling it to use tacacs+ for authentication,
and then using a list no_tacacs to get to line (character) mode, did you set
up a no_tacacs list?

"Robert Yee" <[EMAIL PROTECTED]> wrote in message
08C6D6CAB775D411AAF2001083FC7DD50198AD@PFCMAIL">news:08C6D6CAB775D411AAF2001083FC7DD50198AD@PFCMAIL...
> Hi all,
> I'm in the process of testing out a AAA config on a router, and if
> successful I will be rolling this out to my network.
> The config seems to work very well with CiscoSecure ACS for NT 2.4.
However,
> ther are some quircks that I'm just not sure about.
> The following is the config that I'm using:
> hostname Router1
> !
> aaa new-model
> aaa authentication login list1 local group tacacs+
> aaa authentication ppp list1 local group tacacs+
> aaa authorization exec list1 local group tacacs+
> aaa authorization network list1 local group tacacs+
> aaa accounting exec list1 start-stop group tacacs+
> aaa accounting network list1 start-stop group tacacs+
> enable password cisco
> !
> username user1 password 0 cisco
> !
> tacacs-server host 172.16.1.211
> tacacs-server key 12345
> !
> line con 0
> password cisco
> transport input none
> line aux 0
> line vty 0 4
> password cisco
> login authentication list1
> Questions:
> 1. When I try and setup the method list (list1) for authentication with
> tacacs+ first then local, it does not allow local authentication, it wll
> only look to the tacacs+ server for validation. However, if I list local
> first, then tacacs+, it'll work as desired. Why is this so? Shouldn't it
> work the other way around also?
> 2. I've shosen to implement the authentication on vty sessions only by
using
> the 'login authentication list1' command that I read on CCO. The ACS
sotwre
> suggested that I use the combination 'aaa authen login no_tacacs
enable/line
> con 0/ login authen no_tacas' command. However, when I tried this, it
> totally bombed. What did I do wrong?
> Thanks!
> Robert
>
> _
> FAQ, list archives, and subscription info:
http://www.groupstudy.com/list/cisco.html
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>


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Re: frame-relay interface-dlci

[ItsMe]

All of these questions are based on NBMA design, which is different
depending on the routing protocol used.
I believe they can all be answered when you look at NBMA/routing protocol.

""pierreg "" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> I have spent many hours trying to comprehend the exerpt bellow (from Cisco
CD). Still no light. Can someone help?
>
> "This command is typically used for subinterfaces; however, it can also be
used on main interfaces. Using the frame-relay interface-dlci command on
main interfaces will enable the use of routing protocols on interfaces that
use Inverse ARP. The frame-relay interface-dlci command on a main interface
is also valuable for assigning a specific class to a single PVC where
special characteristics are desired."
>
> 1. How can the command frame-relay interface-dlci enable the use of
routing protocols??!!??
> 2. What do they mean by "specific class"?
> 3. What characteristics are they talking about?
>
> Please explain AND illustrate each point...
>
> Thankfully,
>
> Pierre-Alex
>
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>


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Re: Network Diagram Skills

[ItsMe]

I would say a paper and pencil is your best bet.
""a"" <[EMAIL PROTECTED]> wrote in message 91vekq$8au$[EMAIL PROTECTED]">news:91vekq$8au$[EMAIL PROTECTED]...
> Are there any good resources for drawing network diagrams quickly in a
> systematic fashion? Aaron Dixon mentioned he tried to perfect these skills
> before taking the lab.
> Thanks.
>
>
>
> _
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>


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Re: what is the difference between tacas+ and radius

[ItsMe]

Also for accounting, Radius gives you many more options, and Radius costs
nothing if you run Win2k, its part of th OS.

""David Nie"" <[EMAIL PROTECTED]> wrote in message
91v4j7$ni7$[EMAIL PROTECTED]">news:91v4j7$ni7$[EMAIL PROTECTED]...
> Hi, all
>
> Could you please tell me the difference of tacas+ and radius server?
>
> --
> David Nie
>
>
>
>
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multicast and the BSCN - a match made in hell?

[Dyland Desmarais]

Greetings all

I am moving along nicely and am now beginning to learn about that wonderful
protocol known as OSPF.
My question is, the BSCN book from CiscoPress, when explaining OSPF, refers
to multicast addresses such as 244.0.0.5 (ALLSPFRouter address)

Does this book explain these addresses work, or at this point, should I just
accept the fact that 244.0.0.5 is the ALLSPFRouter ip.

Is their an online table I can find where the reserved multicast ip's are
mapped to their function according to industry standard, or is this covered
later in the CCNP course.

Thanx in advance.

Dyland 

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Re: multicast and the BSCN - a match made in hell?

[Tom Keough]

Dyland,
For the test just accept the fact!  I just passed BSCN last week and I am
studying beyond CCNP.  The Cisco web site is a wealth of information.  Start
using it now and you will be one step closer to becoming a Cisco
professional...
Warmly,
Tom

PS Check out these links:
Multicast - OSPF
http://www.cisco.com/warp/public/104/4.html#20.0

OSPF
http://www.cisco.com/warp/public/104/

--
Tom Keough MCSE CCNA
AT&T Global Network Solutions
Standard Access Management
Managed Router Service
Tier 2 Technical Support
Tampa, Florida
"Dyland Desmarais" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
>
> Greetings all
>
> I am moving along nicely and am now beginning to learn about that
wonderful
> protocol known as OSPF.
> My question is, the BSCN book from CiscoPress, when explaining OSPF,
refers
> to multicast addresses such as 244.0.0.5 (ALLSPFRouter address)
>
> Does this book explain these addresses work, or at this point, should I
just
> accept the fact that 244.0.0.5 is the ALLSPFRouter ip.
>
> Is their an online table I can find where the reserved multicast ip's are
> mapped to their function according to industry standard, or is this
covered
> later in the CCNP course.
>
> Thanx in advance.
>
> Dyland
>
> _
> FAQ, list archives, and subscription info:
http://www.groupstudy.com/list/cisco.html
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>


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Re: multicast and the BSCN - a match made in hell?

[Chuck Larrieu]

As you progress in your studies, the following sites should become your
friends. There is much you will not understand. But things will become clear
over time. Just keep asking. Just keep reading.

www.ietf.org

look for RFC's and all kinds of things here

www.iana.org

internet assigned numbering authority or some such. one of the jump points
is the protocol numbers and assignments index. also, those class D addresses
you learned in CCNA - you know 224.0.0.0 through 239.255.255.255  here's
where you find out kinda how they work.

www.arin.net

always fun to look stuff up here

www.nanog.org

lots of good reading to be found. white papers, presentatons, and the e-mail
archives.

Chuck



Dyland Desmarais <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
>
> Greetings all
>
> I am moving along nicely and am now beginning to learn about that
wonderful
> protocol known as OSPF.
> My question is, the BSCN book from CiscoPress, when explaining OSPF,
refers
> to multicast addresses such as 244.0.0.5 (ALLSPFRouter address)
>
> Does this book explain these addresses work, or at this point, should I
just
> accept the fact that 244.0.0.5 is the ALLSPFRouter ip.
>
> Is their an online table I can find where the reserved multicast ip's are
> mapped to their function according to industry standard, or is this
covered
> later in the CCNP course.
>
> Thanx in advance.
>
> Dyland
>
> _
> FAQ, list archives, and subscription info:
http://www.groupstudy.com/list/cisco.html
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>


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Re: multicast and the BSCN - a match made in hell?

[ItsMe]

I think you mean 224.0.0.5 and 224.0.0.6 which are the LSA multicast's used
in OSPF,
A good rule to remember is the 224.0.0.XXX subnet is basically used for all
router/ routing
information. It typically has a TTL of 1 meaning it will get to the first
router and not passed on.

"Dyland Desmarais" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
>
> Greetings all
>
> I am moving along nicely and am now beginning to learn about that
wonderful
> protocol known as OSPF.
> My question is, the BSCN book from CiscoPress, when explaining OSPF,
refers
> to multicast addresses such as 244.0.0.5 (ALLSPFRouter address)
>
> Does this book explain these addresses work, or at this point, should I
just
> accept the fact that 244.0.0.5 is the ALLSPFRouter ip.
>
> Is their an online table I can find where the reserved multicast ip's are
> mapped to their function according to industry standard, or is this
covered
> later in the CCNP course.
>
> Thanx in advance.
>
> Dyland
>
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Configuration Exercise: BCSN

[FREDL L AZARES]

I am currently studying for the BCSN exam, have a question . . .
1. For those who have a copy of Cisco Press BCSN 
 ISBN:1-57870-228-3:
Page 58 Step 12, Question: How many paths are in the IGRP routing table
to the 192.168.x.64 subnet?
Why are multiple paths to the subnet?

Answer: There are three routes to the 192.168.x.64 subnet in the routing
table. there are multiple paths 
in the routing table because they are all of equal metric (in this case,
the metric is 158350).

I don't understand how the author arrived with three routes to the
192.168.x.64 subnet. Also, the metric
= 158,350. I know the BW=64000 and time delay = metric/bw= 2.4742
seconds. How did they arrived with this metric of 158,350?


Thanx in advance . . .

FREDL AZARES

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Re: 7505 Reboots randomly Please HELP

[Anil Yadav]

this is what I got on cisco site..




Error Message
%DBUS-3-SW_NOTRDY: DBUS software not ready after [chars], elapsed [int],
status
0x[hex]

ExplanationAn interface processor failed to come online after being
reset. A software or hardware error occurred.

Recommended ActionCopy the error message exactly as it appears on the
console or in the system log. Issue the
show tech-support command to gather data that may provide information to
determine the nature of the error. If
you cannot determine the nature of the error from the error message text
or from the show tech-support output, call
your Cisco technical support representative and provide the representative
with the gathered information.



HTH
Anil Yadav



On Thu, 21 Dec 2000, Desai, Inamul wrote:

> 
> We got 7505 router reboots randomly twice a week or 
> when you write to config file. We gone thru changing 
> VIP card, resetting all cards, resetting mem modules, swapping
> mem modules on VIP card, powering up and down and talked to Cisco. 
> It's running IOS 12.0(7)T with RSM, VIP2 and one PRI module. 
> No matter how many times you cold boot it, it brings all
> enable LEDs except one on fastEthenet card. It does help 
> some time when I reset FLASH cards.
> D u think it's flash cards ?
> 
> here is startup info:
> System Bootstrap, Version 5.3.2(3.2) [kmac 3.2], MAINTENANCE INTERIM
> SOFTWARE
> Copyright (c) 1994 by cisco Systems, Inc.
> RSP processor with 131072 Kbytes of main memory
> 
> 
> Creading the file into memory...
> Self decompressing the image :
> #
> 
> 
> ### [OK]
> %DBUS-3-SW_NOTRDY: DBUS software not ready after HARD RESET, elapsed 12032,
> stat
> us 0x0
> -Traceback= 60192B5C 60195A84 60195B3C 6015444C 601546C8 60128990 600109B0
> %DBUS-3-SW_NOTRDY: DBUS software not ready after HARD_RESET, elapsed 12032,
> stat
> us 0x0
> -Traceback= 60192B5C 60194BA0 60195008 6019845C 600F4E64 600F4ECC 600E9090
> 600E9
> 298 600EA3B0 600EA39C
> %DBUS-3-SW_NOTRDY: DBUS software not ready after RESET, elapsed 12032,
> status 0x
> 40
> -Traceback= 60192B5C 60194EC0 60191AF4 60195054 6019845C 600F4E64 600F4ECC
> 600E9
> 090 600E9298 600EA3B0 600EA39C
> System Bootstrap, Version 5.3.2(3.2) [kmac 3.2], MAINTENANCE INTERIM
> SOFTWARE
> Copyright (c) 1994 by cisco Systems, Inc.
> RSP processor with 131072 Kbytes of main memory
> 
> 
> Creading the file into memory...
> Self decompressing the image :
> #
> 
> 
> ### [OK]
> %CBUS-3-CCBPTIMEOUT: CCB handover timed out, CCB 0x5800FF50, slot 3
> -Traceback= 601A5348 601A398C 601A3E3C 6019D4F0 600EE70C 600F4EFC 600E9090
> 600E9
> 298 600EA3B0 600EA39C
> %LINK-4-NOMAC: A random default MAC address of .0c9a.31e7 has
> been chosen. Ensure that this address is unique, or specify MAC
> addresses for commands (such as 'novell routing') that allow the
> use of this address as a default.
> %SYS-4-CONFIG_NEWER: Configurations from version 12.0 may not be correctly
> under
> stood.CC
> 
> CC
> %CBUS-3-MIPSTAT: Out of buffers--losing status information for the MIP
> cardC
> 
> 
> CC
> 
> _
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> 


Anil  Yadav

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Re: Cisco 2900 Series switch crashes other switch:Any inputs ?

[Pradeep Kumar]

Dear Katson PN Yeung,

1. Thanks for that tip.This particular tweak helps when the switch is a Cat 5500.

2. I just got off ebay purchasing a cat 2924 for internal testing.Most of the cases I 
was coming across was at live sites and so couldnt really do any testing on them.

3. I shall begin packet level testing with a Sniffer  to see what is it that causes 
the devices connected to Cisco Cat 2900 makes em crash.

I would like to inform Cisco officially so someone can take a look. Any idea who in 
Cisco would handle such a input ??

Thanks and regards

Pradeep



-Original Message-
From:Katson PN Yeung [EMAIL PROTECTED]
Sent:Fri, 22 Dec 2000 09:55:48 +0800
To:  [EMAIL PROTECTED]
Subject: Re: Cisco 2900 Series switch crashes other switch:Any inputs ?


Please take a look at "auto-negotiation" feature of all the switches. Try to
turn this feature off and manually set the interconnected ports as 10-half,
10-full, 100-half and 100-full.

Hope this helps.

""Pradeep Kumar"" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Hi Folks,
>
>
> 1. I have 3 cases where a Cisco Cat 2912,2914 switch is crashing other
Layer 4-7 capable switch.
>
> 2. On testing with a Sniffer, I noted a large number of Ethernet
collisions.
>
> Any inputs - why ?
>
> the problem dissapears when I remove the Cat 2900 series.
>
> Thanks for responses.
>
> Pradeep
>
>
>
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RE Configuration Exercise: BCSN

[Dyland Desmarais]

I'm not sure if your doing this on actual physical equipment but if you
would refer to the figure 1-15 on page 43:
P1R1 can route to the subnet 192.168.1.65 (this is subnet 64, 65 is the
first available host, configured on P1R2 interface E0) through S0 and S1
(192.168.1.18, 192.168.1.34).
It can also access that subnet by routing through S0 on P1R3 (192.168.1.66)

As for the math, the show ip protocols command does not give the required
information needed to calculate the metric by hand ( i may be mistaken on
this so anyone please correct me if needed)

Dyland


I am currently studying for the BCSN exam, have a question . . .
1. For those who have a copy of Cisco Press BCSN 
ISBN:1-57870-228-3:
Page 58 Step 12, Question: How many paths are in the IGRP routing table
to the 192.168.x.64 subnet?
Why are multiple paths to the subnet?

Answer: There are three routes to the 192.168.x.64 subnet in the routing
table. there are multiple paths 
in the routing table because they are all of equal metric (in this case,
the metric is 158350).

I don't understand how the author arrived with three routes to the
192.168.x.64 subnet. Also, the metric
= 158,350. I know the BW=64000 and time delay = metric/bw= 2.4742
seconds. How did they arrived with this metric of 158,350?


Thanx in advance . . .

FREDL AZARES

GET INTERNET ACCESS FROM JUNO!
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RE: Configuration Exercise: BCSN

[Chuck Larrieu]

Multicast addresses are SUPPOSED to be registered. I suppose some of that
has fallen by the wayside as all these new players rush in an d write their
applications to do whatever.  I checked the IANA database www.iana.org and
clipped a few of interest. Some we know and love. I was surprised by a
couple.


224.0.0.0 Base Address (Reserved) [RFC1112,JBP]
224.0.0.1 All Systems on this Subnet [RFC1112,JBP]
224.0.0.2 All Routers on this Subnet [JBP]
224.0.0.3 Unassigned [JBP]
224.0.0.4 DVMRP Routers [RFC1075,JBP]
224.0.0.5 OSPFIGP OSPFIGP All Routers [RFC2328,JXM1]
224.0.0.6 OSPFIGP OSPFIGP Designated Routers [RFC2328,JXM1]
224.0.0.7 ST Routers [RFC1190,KS14]
224.0.0.8 ST Hosts [RFC1190,KS14]
224.0.0.9 RIP2 Routers [RFC1723,GSM11]
224.0.0.10 IGRP Routers [Farinacci]
224.0.0.11 Mobile-Agents [Bill Simpson]
224.0.0.12 DHCP Server / Relay Agent [RFC1884]
224.0.0.13 All PIM Routers [Farinacci]
224.0.0.14 RSVP-ENCAPSULATION [Braden]
224.0.0.15 all-cbt-routers [Ballardie]

224.0.0.22 IGMP [Deering]

224.0.1.39 cisco-rp-announce [Farinacci]   wonder what this stuff is ;->
224.0.1.40 cisco-rp-discovery [Farinacci]

Cisco calls this "bi-directional PIM" guess I'll be doing some reading on
this soon.

224.0.1.47 telerate [Peng]   if this is the telerate I know and used to
hate, they have long since been subsumed by Bridge

224.0.1.48 ciena [Rodbell]   doesn't Cisco own a piece of these folks?

224.0.1.118 Tivoli Systems [Gabriel]

224.0.1.128 CNN [Lynch]   oh boy I can hardly wait!

224.0.6.000-224.0.6.127 Cornell ISIS Project [Tim Clark] didn't someone
say ISIS was dead?


Chuck


-Original Message-
From:   [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of
FREDL L AZARES
Sent:   Friday, December 22, 2000 8:01 PM
To: [EMAIL PROTECTED]
Subject:Configuration Exercise: BCSN


I am currently studying for the BCSN exam, have a question . . .
1. For those who have a copy of Cisco Press BCSN
 ISBN:1-57870-228-3:
Page 58 Step 12, Question: How many paths are in the IGRP routing table
to the 192.168.x.64 subnet?
Why are multiple paths to the subnet?

Answer: There are three routes to the 192.168.x.64 subnet in the routing
table. there are multiple paths
in the routing table because they are all of equal metric (in this case,
the metric is 158350).

I don't understand how the author arrived with three routes to the
192.168.x.64 subnet. Also, the metric
= 158,350. I know the BW=64000 and time delay = metric/bw= 2.4742
seconds. How did they arrived with this metric of 158,350?


Thanx in advance . . .

FREDL AZARES

GET INTERNET ACCESS FROM JUNO!
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Re: MCSE OR CCNA

[ML]

I would like to reply to this, I have a very good friend that is a UNIX
guru, makes a ton of cash and is very respected in the industry. Recently he
did some studying and took the CCNA and passed.  He does not need the cert
to earn more, mainly because it does not make a difference.  But he did tell
me that it gave a different perspective on how the network runs and how his
piece of the pie is affected. I do think that someone that has knowledge of
servers and admin to include networking even at the basic level makes a
better technician.  CCNA is a nice deal but not really that great a cert, I
know plenty of folks that make a much better living as a server tech than a
CCNA, the CCNA is only one part of a larger picture.  I would easily hire
someone that has a very good overall knowledge of the network, servers and
other devices.  Granted that sometimes a specialist is what you want but
lets face it, folks that can do many things are a better bet.

My Rant.

ML
Manny Akintayo <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> one has very little to do with the other.
> I would recommend that you try to obtain your CCNA.
> Best of luck
>
> Jide Akintayo
> Adedapo Omisore wrote:
>
> > Please I need the advice of somebody in the house.
> > I want to start my cisco certification next year, must I have my MCSE
first
> > before moving in to CCNA ? or I can do it directly without bothering
myself
> > with MCSE first.
> > Any little advice will be appreciated.
> >
> > Thank you.
> >
_
> > Get Your Private, Free E-mail from MSN Hotmail at
http://www.hotmail.com.
> >
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RE: Cisco 2900 Series switch crashes other switch:Any inputs ?

[Pradeep Kumar]

Hi Daniel Cotts,

1. Thanks for that mail. 
2. I think you have given me a lead to work on.  I shall post Sniffer traces once I 
get the test setup.

Thanks and regards

Pradeep



-Original Message-
From:Daniel Cotts [EMAIL PROTECTED]
Sent:Thu, 21 Dec 2000 20:21:49 -0600
To:  [EMAIL PROTECTED], [EMAIL PROTECTED]
Subject: RE: Cisco 2900 Series switch crashes other switch:Any inputs ?


First thought is that the 2900 and the other switches are not agreeing on
speed and duplex. If one thinks half duplex and the other full duplex there
is a problem. Hard configure the desired values.

The following is a wild guess. It would seem that the Cisco could put
something on the wire that the other switch doesn't understand. The other
switch should just ignore it. Anyway ... I'm assuming that the layer 4-7
switches are not Cisco. The following proprietary protocols are used in
Cisco switches. See if you can turn them off in the 2900. 

DISL (Dynamic ISL) using a destination address of 01-00-0C-CC-CC-CC with a
SNAP value of 0x2004
PVST+ (Per VLAN Spanning Tree Plus) destination address of 01-00-0C-CC-CC-CD
PAgP (Port Aggregation Protocol) FastEtherChannel
DTP (Dynamic Trunk Protocol) updated version of DISL. 

> -Original Message-
> From: Pradeep Kumar [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, December 21, 2000 5:46 PM
> To: [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]
> Subject: Cisco 2900 Series switch crashes other switch:Any inputs ?
> 
> 
> Hi Folks,
> 
> 
> 1. I have 3 cases where a Cisco Cat 2912,2914 switch is 
> crashing other Layer 4-7 capable switch.
> 
> 2. On testing with a Sniffer, I noted a large number of 
> Ethernet collisions.
> 
> Any inputs - why ?
> 
> the problem dissapears when I remove the Cat 2900 series.
> 
> Thanks for responses.
> 
> Pradeep
> 
> 
> __
> _
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> communications center.
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> 
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Basic router question (frame switch)

[D. J. Jones]

Anyone have any problems with a 4500 retaining router configs using 11.2 or
12.0.7 IOS?  I initially was trying to set up a simple frame relay switch
and entered 'frame-relay lmi-type ansi' which worked intially.  However when
I run a 'sh conf' the commands are not there.  I've even re-entered them
several times with no success.  thanks..dj

BTW, I've reloaded the IOS and the boot image.

Meantime, I'll search the archives.


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Re: Basic router question (frame switch)

[D. J. Jones]

Figured out my problem.  had no keepalives on the serial interfaces
(sigh)..dj
""D. J. Jones"" <[EMAIL PROTECTED]> wrote in message
921i6k$nej$[EMAIL PROTECTED]">news:921i6k$nej$[EMAIL PROTECTED]...
> Anyone have any problems with a 4500 retaining router configs using 11.2
or
> 12.0.7 IOS?  I initially was trying to set up a simple frame relay switch
> and entered 'frame-relay lmi-type ansi' which worked intially.  However
when
> I run a 'sh conf' the commands are not there.  I've even re-entered them
> several times with no success.  thanks..dj
>
> BTW, I've reloaded the IOS and the boot image.
>
> Meantime, I'll search the archives.
>
>
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