Routing Exam:640-901 [7:58867]

2002-12-10 Thread Peri Sophos
Hi all , I am writing my routing exam this Friday , I have studied hard ,
any body have some good ideas where to really concentrate ?

Thanks for the help

Cheers !!! Theperiman
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RE: Dumb question [7:58783]

2002-12-10 Thread Jay Dunn
You are absolutely right. It didn't occur to me. It seemed to me that
one would have to go out of their way to create a loop in a hub
environment. Then after reading your response, I realized I encountered
something like this just a few months ago. 2 dual homed Citrix servers
using 2 logical subnets but sharing the same physical network. The end
user had enabled forwarding between the nics on one of the servers.
Guess what the problem was?

Jay

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] 
Sent: Monday, December 09, 2002 12:10 PM
To: [EMAIL PROTECTED]
Subject: RE: Dumb question [7:58783]

Jay Dunn wrote:
 
 A hub or repeater operates at layer 1 and makes no
 intelligent
 decision about what to forward. A packet enters a port and is
 forwarded
 out all other active ports on the hub. The concept of a loop
 only exists
 at higher layers.

A loop could exist at the physical layer too. A newbie could connect the
hubs in such a way that there was a loop. And it could indeed cause
problems
due to the fact that a hub doesn't make any intelligent decisions about
what
it forwards, as you say, and doesn't participate in higher-layer
loop-avoidance solutions such as STP, Dijkstra, split horizon, etc.
There
would be nothing to stop the looping bits. The very idea makes me
cringe. :-)

It's kind of funny that nobody thinks about this. A network of hubs must
be
designed in a hierarchical fashion. I guess that is just second-nature
to
people who grew up with hubs.

When hubs entered the market they allowed us to move away from the
ubiquitous bus topology and into a star (hub-and-spoke) topology. They
allowed us to start using the structured cabling that ATT and other
vendors
were starting to install, rather than the Christmas-tree-lights topology
so
popular with coax cable and so prone to problems. As networks grew, it
became necessary to connect multiple hubs. The term that was often used
was
cascating hubs. Hubs cascaed from other hubs, within the rules related
to
Ethernet propagation delay and collision detection.

Priscilla

 
 Jay Dunn
 IPI*GrammTech, Ltd.
 www.ipi-gt.com
 Nunquam Facilis Est
 
 -Original Message-
 From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On
 Behalf Of
 Han Chuan Alex Ang
 Sent: Monday, December 09, 2002 3:44 AM
 To: [EMAIL PROTECTED]
 Subject: Dumb question [7:58783]
 
 I am wondering if Hub could be subjected to loop problems , if
 not, what
 will happen if there is a loop within a Hub enviroment




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MLS Hello Multicast Messages [7:58869]

2002-12-10 Thread [EMAIL PROTECTED]
All, 

The MLS-RP sends hello's to the CMGP mcast address every 15 secs. 
All downstream switches in the network recv these hello messages. 

I have 2 6500s with a dot1q trunk and an MSFC in both. MLS enabled by
default. Sniffing the trunk and i would expect to see an MLS hello packet
every 15 secs addressed to 01-00-0c-dd-dd-dd (CGMP address), but I dont see
it. 

Please help.



Ken Farrington
Global Networks, Barclays Capital, 5 The North Colonnade, Canary
Wharf, London, E14 4BB
* Tel : 020 7773 3550
* Mob : 07768-866655
* [EMAIL PROTECTED]   





For more information about Barclays Capital, please
visit our web site at http://www.barcap.com.


Internet communications are not secure and therefore the Barclays 
Group does not accept legal responsibility for the contents of this 
message.  Although the Barclays Group operates anti-virus programmes, 
it does not accept responsibility for any damage whatsoever that is 
caused by viruses being passed.  Any views or opinions presented are 
solely those of the author and do not necessarily represent those of the 
Barclays Group.  Replies to this email may be monitored by the Barclays 
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RE: How to change the default Telnet port of a router [7:58647]

2002-12-10 Thread Raj Santiago
Hi Simon,


 There is a way, but its a hack. I dont recommend you do this, but just
shows that you dont always need to attack the problem directly..

anyway here is a simple diagram
 s0  s1
  10.0.0.110.0.0.2
-- 
 |
 172.16.55.1
(eth0)


on RTA apply the following config :

ip nat inside source static tcp 172.16.55.1 23 172.16.55.1 2002 extendable
!
interface Ethernet0
 description Dummy interface for lab testing
 ip address 172.16.55.1 255.255.255.0
 no keepalive
!
interface Serial0
 ip address 10.0.0.1 255.255.255.0
 ip nat outside
 clockrate 38400
!

So basically your mapping the local telnet port 23, to port 2002. If you try
and telnet normally to ip 172.16.55.1 you wont initiate a connection as NAT
will reply back with a port of 2002. Hence the only way to obtain telnet is
to telnet to 172.16.55.1 2002

raj




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BCRAN 640-505 [7:58871]

2002-12-10 Thread Dion
Would the CCNP remote Access exam certification guide for 640-505 by
Brian Morgan and Craig Dennis be enough to pass the 640-605 exam? The
book is kind of short compared to the BCRAN book. Thanks in advance!




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RE: IP to ATM QoS [7:58784]

2002-12-10 Thread wanabe ccie
how did you classify your tcp packets? I think WRED treats unclassified
packets as lower priority packets (precedence=0). i saw random-drops in
precedence 0 packets.


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VOIP - Voice Mailboxes [7:58872]

2002-12-10 Thread Patrick Matthews
We have the Unity/Exchange module installed and functioning but is there a
way of creating a voice mailbox WITHOUT having to create an Exchange
mailbox. We have several instances where we have employees who don't have a
PC much less a domain and email account but have a phone.




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Re: Visio Stencil for Cisco [7:58509]

2002-12-10 Thread Patrick Matthews
Try www.altimatech.com. they have everything and will do custom stencils for
you. I downloaded thier standard package and it has over 300 Cisco stencils


tu do  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
 I found a set of them.
 http://www.cisco.com/warp/public/503/2.html
 cheer,
 Tu Do




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Re: CCIE cert. opinion [7:58805]

2002-12-10 Thread NetEng
for other tests, but I didnt think the lab was covered. If so, look out SJ,
here I come!

Karl Thrasher  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
 Hi,

 I recently took the CCIE written. I didn't pass, but I really wasn't
 expecting to. I missed it by 6 points. A while back when the beta was
 running, I was just getting ready to begin studying for the written when I
 found out the beta was on. I found out about the beta on a Wed. and the
beta
 run ended on that Friday. So to evaluate myself, I paid the 50 bucks and
 took the test with no study. I missed it by about 6 points then as well. I
 thought, considering my level, at the time, it was not too bad and
 definately attainable.

 I had to put my study off for a while after the beta attempt because of a
 project I had to get up to speed on and then recently started studying. I
 studied for a few weeks then took it to re-evaluated where I stand now.

 I saw on the board some people complaining about questions being too
product
 specific. I saw little to no types of those questions. My test was mainly
 theory and heavy configuration and troubleshooting questions. Yes, some of
 the test is a test of your memory but what test isn't? Is there a test
that
 exists that to some degree does not test your memory?  And, yes, some of
the
 information tested is sort of trivial in aspect, but the ultimate goal is
 not to pass the exam but to pass the lab. While studying the technologies
 for the written, studying that trivial information, you pick up alot of
 things you didn't know, or things you once knew but forgot. I think the
 better you do on the written the better you'll do on the lab. Not to say
 that a good score on the written will guarantee a passing lab attempt at
 all. But I think the more you study for your written, you will be all that
 much more prepared to study for your lab.

 I think I'm in pretty good shape. I have no pressure to pass as far as
money
 goes when taking the tests, because my GI Bill will pay for all written
and
 lab attempts, pass or fail. Plus I teach Cisco stuff during the day on 5
 racks that Cisco donated to the college. So even when I'm not studying, I
 am. Plus the network I work on at my regular job has about 30,000+ Cisco
 devices. So I think all these pluses will equal a CCIE RS cert one of
 these days.  If not I will be dissapointed in myself. But I'm pretty
 confident right now.

 I noticed someone else mention that a down-side of the exam is that
someone
 could take the written as many times as they wanted until eventually
 passing. I could do that, but I don't want to waste my money. I'm not
going
 to attempt it again until I think I've picked up about 20 points. Although
 my GI Bill will pay for my tests and lab, I have finite funds and I want
to
 save my money for the labs. But I don't think that just because that you
can
 take the test as often as you like will cause the market to be flooded
with
 CCIE's. Most people are persueing the CCIE cert because of money: they
want
 more. People have fininte funds. It's not too bad to take the test several
 times but when you give the lab several pops that adds up. I'll bet there
 are alot of folks out there that have given up because of the money it
would
 take them or because they have already spent too much money on their
failed
 attempts.  There are probably many, many more people that don't have the
 funds to take the test and lab as many times as they want, than people
that
 have the money to take them over and over again until they pass. So, I
don't
 think that it's an issue.

 Just a comparison note between the beta and the current exam, the current
 exam seemed much harder.

 Anyway, that's all I have to say this go 'round. Besides it's time to hit
 the books. ;).

 Thanks,

 Karl.




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Error report from my Router [7:58882]

2002-12-10 Thread Hamed Sedighi
Hi,
I have a Cisco Router(2511) that is my NAS.
When one of my network users want to login on my NAS, I can see Login timed
out error message that is sent to my TACACS Server.
It's about only two week that I can see that error message. What is this
Error
message? Is there anyone who can help me about this subject?

Regards,
H.Sedighi




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RE: Error report from my Router [7:58882]

2002-12-10 Thread Andrew Larkins
First I would verify the TACACS+ host and key are valid - then debug TACACS
and see what you get there.

-Original Message-
From: Hamed Sedighi [mailto:[EMAIL PROTECTED]]
Sent: 10 December 2002 15:55
To: [EMAIL PROTECTED]
Subject: Error report from my Router [7:58882]


Hi,
I have a Cisco Router(2511) that is my NAS.
When one of my network users want to login on my NAS, I can see Login timed
out error message that is sent to my TACACS Server.
It's about only two week that I can see that error message. What is this
Error
message? Is there anyone who can help me about this subject?

Regards,
H.Sedighi




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RE: Routing Exam:640-901 [7:58867]

2002-12-10 Thread Tangled Up in Blue
Peri,

I am taking my 901 on Thursday of this week as well! I have the Cisco Press
Book by Paquet, and it suppossed to cover all of the test material. I also
downloaded the IS-IS supplement from Cisco. I know NOTHING about IS-IS, so
I'm going to learn the basics and pray that there are only about 4-5
questions on it. I've worked in networking with Cisco products since 2000,
so I feel comforatable with day-to-day operations, and I'm fairly comfident
with my commands. What I have been concentrating on is more of the book
stuff like metric stuff, bgp path attributes, and the specific routing
commands that are applied to interfaces. I have a lab with 4 2500's, but to
be honest, I feel like the books are more important for this specific exam.
Anyone who has taken the test, I would like to hear your opinion on book
specifics vs. router configs on the BSCI exam, please.

Kalo Taxithi - jason


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RE: VOIP - Voice Mailboxes [7:58872]

2002-12-10 Thread J M
Voice mail in Unity is stored in priv.edb (and in priv.stm in ex2k)which is
exchanges database.
one method to access an exchange database is via MAPI which is how cisco IP
phones access their unity voicemail. You need to create the mailbox which
will allow the user to get their voice mail without pc. If you configure it
correctly, all they will have to do is press the messages button on their
phone , enter their id, and password and they can access exchange. But the
subscriber must have a mailbox.

 good resources

www.answermonkey.net

http://forums.cisco.com/eforum/servlet/NetProf?page=netprofCommCmd=MB%3Fcmd%3Ddisplay_messages%26mode%3Dnew%26location%3D.ee835d2


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Re: Resricicting Certain Users -Pix 515 UR [7:58861]

2002-12-10 Thread Brad
Kevin,

Hi!  I would say the best way to do something like this would probably be
using Websense (or similar software) in conjunction with your Pix.  I've
setup Websense before, and it's pretty easy.

thanks,
-Brad Ellis
CCIE#5796 (RS / Security)
Network Learning Inc
[EMAIL PROTECTED]
www.optsys.net (Cisco hardware)

Kevin O'Gilvie  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
 Hi All,

 I would like to create a group lets say x,x,x,x-x.x.x.x and restrict them
to
 only certain websites, I am guessing I will have to use ip addresses of
 those sites, but still allow them to access the local network..
 Whats the best way to go about this.
 I have been using groups in my configs thus far..

 BTW- I love you guys in this group, it has to be the best news group
around
 right now, lets keep the standards high and weed out the slackers that are
 trying to water down the CCIE's. We are doing more work for less money and
 the main reason why is because we are settling, we work damn hard and
invest
 time and money to achieve these goals, and should be awarded as such. I
dont
 see doctors building practice labs in there homes to cure patients, nor
 lawyers building practice court rooms..

 Sorry for the ranting but every year it seems you have to have more and
more
 letters after your name to earn a decent living in this technology arena,
 when we are the ones that are enabling these million and billion dollar
 companies to do business seemlessly anytime and anywhere..

 -Kevin

 _
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RE: MLS Hello Multicast Messages [7:58869]

2002-12-10 Thread s vermill
[EMAIL PROTECTED] wrote:
 
 All, 
 
 The MLS-RP sends hello's to the CMGP mcast address every 15
 secs.
 All downstream switches in the network recv these hello
 messages.
 
 I have 2 6500s with a dot1q trunk and an MSFC in both. MLS
 enabled by
 default. 

Are you sure that MLS is enabled by default?  I fired up several new 6509s
over the weekend and none had MLS enabled.

 every 15 secs addressed to 01-00-0c-dd-dd-dd (CGMP address),
 but I dont see
 it. 
 
 Please help.
 
 
   
   Ken Farrington
   Global Networks, Barclays Capital, 5 The North Colonnade,
 Canary
 Wharf, London, E14 4BB
   * Tel : 020 7773 3550
   * Mob : 07768-866655
   * [EMAIL PROTECTED]   
 
 
 
 
 
 For more information about Barclays Capital, please
 visit our web site at http://www.barcap.com.
 
 
 Internet communications are not secure and therefore the
 Barclays
 Group does not accept legal responsibility for the contents of
 this
 message.  Although the Barclays Group operates anti-virus
 programmes,
 it does not accept responsibility for any damage whatsoever
 that is
 caused by viruses being passed.  Any views or opinions
 presented are
 solely those of the author and do not necessarily represent
 those of the
 Barclays Group.  Replies to this email may be monitored by the
 Barclays
 Group for operational or business reasons.
 
 
 
 




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Is there a redirect traffic command in IOS ? [7:58887]

2002-12-10 Thread [EMAIL PROTECTED]
HI,

Can I set up a redirect traffice command in my Cisco
2600 ? I want to redirect web traffic (port 80) and
FTP traffic (port 23) to a different server instead
the default gateway. Is it possible ? Is there URL
link I can read ?

Thanks in advance

__
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RE: Is there a redirect traffic command in IOS ? [7:58887]

2002-12-10 Thread Xueyan Liu
you can configure policy based routing to achieve that.

Xueyan


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Please help: 2600 console lost [7:58889]

2002-12-10 Thread R M
I've been working a few hours with a 2610 when suddenly, boom!!, I lost my
console connection, now it doesn't respond to Ctrl-Break nor anything, I've
rebooted it several times but it doesn't shows any single character on
HyperTerminal. Unfortunately, the equipment is running (almost) default
configuration, so now I can't get in through Aux or Vty. My Aux port respond
but can't do much through it since no 'enable password' has been provided by
default, so can't get to privileged mode. Once the box is booted, it looks
good, its eth and serial interfaces comes up, so it doesn't looks like a
flash or IOS corruption problem.

Do you guys have any clue why I'm suffering this?
Any workaround to at least have privileged access through Aux??
Maybe nvram got corrupted? there's any way to 'hard' reset nvram through
internal jumpers??

Thanks very much in advance,

RM.



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Loopback and OSPF [7:58890]

2002-12-10 Thread Christopher Dumais
Can you use Loopback interfaces to pass OSPF traffic? Here is my example:

Router A

Interface loopback0
ip address 10.10.10.10 255.255.255.0

Interface Vlan 2
ip address 2.2.2.2 255.255.255.0

Router ospf 1 
network 0.0.0.0 255.255.255.255 area 0

Router B

Interface loopback 0
ip address 10.10.10.11 255.255.255.0

Interface Vlan 3
ip address 3.3.3.3 255.255.255.0

Router ospf 1
network 0.0.0.0 255.255.255.255 area 0

Will the loopback interfaces pass along the OSPF traffic so that both router
will know about vlans 2 and 3? I know that OSPF will use loopbacks as the
router ID, but have not found anything conclusive about OSPF distribution.
Thanks in advance!!

Chris Dumais, CCNP, CNA
Sr. Network Administrator
NSS Customer and Desktop Services Team
Maine Medical Center
(207)871-6940
[EMAIL PROTECTED]




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RE: no service password-recovery [7:58835]

2002-12-10 Thread olivier Boistel
Hi,

It's a 3550's command only.

it's disable the password-recovery procedure.

You can find more information on CCO :

http://www.cisco.com/univercd/cc/td/doc/product/lan/c3550/1218ea1/3550cr/cli2.htm#xtocid1


Best regards


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Re: Is there a redirect traffic command in IOS ? [7:58887]

2002-12-10 Thread John Neiberger
Go to www.cisco.com and read about Policy-Based Routing (PBR).  This may
be what you're looking for, but I'm not sure from your description.  You
might need something a little different depending on what you're really
trying to accomplish.  If you simply want to force http and ftp traffic
to take a different path--to a transparent proxy server, for
example--then PBR may be for you.

HTH,
John

 [EMAIL PROTECTED]  12/10/02 8:51:20 AM 
HI,

Can I set up a redirect traffice command in my Cisco
2600 ? I want to redirect web traffic (port 80) and
FTP traffic (port 23) to a different server instead
the default gateway. Is it possible ? Is there URL
link I can read ?

Thanks in advance

__
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RE: Is there a redirect traffic command in IOS ? [7:58887]

2002-12-10 Thread Andrew Larkins
Use route maps - that should work

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: 10 December 2002 17:51
To: [EMAIL PROTECTED]
Subject: Is there a redirect traffic command in IOS ? [7:58887]


HI,

Can I set up a redirect traffice command in my Cisco
2600 ? I want to redirect web traffic (port 80) and
FTP traffic (port 23) to a different server instead
the default gateway. Is it possible ? Is there URL
link I can read ?

Thanks in advance

__
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Yahoo! Mail Plus - Powerful. Affordable. Sign up now.
http://mailplus.yahoo.com




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MTU problem handling [7:58894]

2002-12-10 Thread Haynes, Mark
Hi Folks,

Can anyone tell me, or point me to a link that does, what happens on a
Catalyst Switch when an MTU problem occurs ?
I know that when a router is involved, if a packet is larger than the MTU of
the interface it needs to traverse, the router would examine the 'Don't
Fragment' (DF) bit within the packet. If the DF bit is set to 1 then the
packet will be dropped and an ICMP packet will be sent back to sending
device informing it of the fact. If, however, the DF bit is set to 0 then
the packet will be fragmented to conform to the MTU of the interface, and
will then be forwarded for re-assembly by the recieving device.
What I would like to know is, what happens if this problem occurs within
a Switch ?


thanks,
Mark Haynes



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RE: BCRAN 640-505 [7:58871]

2002-12-10 Thread Kaminski, Shawn G
I can't comment on this book because I haven't read it. However, I've found
that using the Cisco Press books along with the exam blueprint and CCO is
normally the best bet for success. Also, 505 materials will normally be
sufficient to pass the 605 exam.

Shawn K.

-Original Message-
From: Dion [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, December 10, 2002 6:34 AM
To: [EMAIL PROTECTED]
Subject: BCRAN 640-505 [7:58871]


Would the CCNP remote Access exam certification guide for 640-505 by
Brian Morgan and Craig Dennis be enough to pass the 640-605 exam? The
book is kind of short compared to the BCRAN book. Thanks in advance!




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RE: Resricicting Certain Users -Pix 515 UR [7:58861]

2002-12-10 Thread Andrew Larkins
You could also use a TACACS+ server here and have authentication configured
for those users for any HTTP request - all others should be allowed to
access the web without authentication. This way you can track them etc and
setup specific access on the TACACS+ server.

Never used Websense some I have no idea - sounds good from what I have read
though.

Andrew


-Original Message-
From: Brad [mailto:[EMAIL PROTECTED]]
Sent: 10 December 2002 17:43
To: [EMAIL PROTECTED]
Subject: Re: Resricicting Certain Users -Pix 515 UR [7:58861]


Kevin,

Hi!  I would say the best way to do something like this would probably be
using Websense (or similar software) in conjunction with your Pix.  I've
setup Websense before, and it's pretty easy.

thanks,
-Brad Ellis
CCIE#5796 (RS / Security)
Network Learning Inc
[EMAIL PROTECTED]
www.optsys.net (Cisco hardware)

Kevin O'Gilvie  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
 Hi All,

 I would like to create a group lets say x,x,x,x-x.x.x.x and restrict them
to
 only certain websites, I am guessing I will have to use ip addresses of
 those sites, but still allow them to access the local network..
 Whats the best way to go about this.
 I have been using groups in my configs thus far..

 BTW- I love you guys in this group, it has to be the best news group
around
 right now, lets keep the standards high and weed out the slackers that are
 trying to water down the CCIE's. We are doing more work for less money and
 the main reason why is because we are settling, we work damn hard and
invest
 time and money to achieve these goals, and should be awarded as such. I
dont
 see doctors building practice labs in there homes to cure patients, nor
 lawyers building practice court rooms..

 Sorry for the ranting but every year it seems you have to have more and
more
 letters after your name to earn a decent living in this technology arena,
 when we are the ones that are enabling these million and billion dollar
 companies to do business seemlessly anytime and anywhere..

 -Kevin

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RE: MLS Hello Multicast Messages [7:58869]

2002-12-10 Thread [EMAIL PROTECTED]
The strange this is,  on the MSFC, 

if you type show mls status you get

MLS global configuration status:

global mls ip: enabled
global mls ipx:enabled
global mls ip multicast:   disabled
current ip flowmask for unicast:   destination only
current ipx flowmask for unicast:  destination only

And if you type show mls rp you get

ip multilayer switching is globally disabled
ipx multilayer switching is globally disabled
ipx mls inbound acl override is globally disabled
mls id is 0009.1233.cd80
mls ip address 0.0.0.0
mls ip flow mask is unknown
mls ipx flow mask is unknown
number of domains configured for mls 0

How strange?


-Original Message-
From: s vermill [mailto:[EMAIL PROTECTED]] 
Sent: 10 December 2002 15:49
To: [EMAIL PROTECTED]
Subject: RE: MLS Hello Multicast Messages [7:58869]


[EMAIL PROTECTED] wrote:
 
 All,
 
 The MLS-RP sends hello's to the CMGP mcast address every 15 secs.
 All downstream switches in the network recv these hello
 messages.
 
 I have 2 6500s with a dot1q trunk and an MSFC in both. MLS enabled by
 default. 

Are you sure that MLS is enabled by default?  I fired up several new 6509s
over the weekend and none had MLS enabled.

 every 15 secs addressed to 01-00-0c-dd-dd-dd (CGMP address), but I 
 dont see it.
 
 Please help.
 
 
   
   Ken Farrington
   Global Networks, Barclays Capital, 5 The North Colonnade, Canary
 Wharf, London, E14 4BB
   * Tel : 020 7773 3550
   * Mob : 07768-866655
   * [EMAIL PROTECTED]   
 
 
 
 
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 visit our web site at http://www.barcap.com.
 
 
 Internet communications are not secure and therefore the Barclays
 Group does not accept legal responsibility for the contents of
 this
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Cisco exam Centers (Spain, Madrid) [7:58898]

2002-12-10 Thread ciscoGo2002
Hello friends,

I would like to contact with someone who has taken 
cisco exams in spain, (Madrid). I want to take the
exam on my own (without taking any course) and I would
like to know where I can take the exam and the prices.
I have a list of vue centers and prometric centers but
i would appreciate any experience.
Thanks!


  


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Re: Is there a redirect traffic command in IOS ? [7:58887]

2002-12-10 Thread Steve Dispensa
Yeah, it's not too complicated.  I do this in one of my production
networks.

You need a route map that matches packets somehow - i use source
address.  Then you just set the next hop to whatever you want for your
server.  If your server isn't directly connected, you need to either
rewrite the dest address or source-route it from there to the final
server, or some combination of both.

At the server, you usually need to do some advanced configuration if you
don't rewrite the dest address, in order to get it to accept connections
that aren't destined for it.  For more info, do a google search on
setting up squid to be a transparent proxy.  It's basically the same
thing.

Let me know if you want more details.

 -sd




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RE: no service password-recovery [7:58835]

2002-12-10 Thread Andrew Dorsett
On Tue, 10 Dec 2002, olivier Boistel wrote:

 it's disable the password-recovery procedure.
 You can find more information on CCO :

http://www.cisco.com/univercd/cc/td/doc/product/lan/c3550/1218ea1/3550cr/cli2.htm#xtocid1

It works on other devices apparently. I did a quick search and actually
found a way around the command.  It looks like Cisco needs to take note
and possibly fix this bug.  I would like to discuss why its a good command
to have with Cisco if anyone from cisco is paying attention.

Thanks,
Andrew
---

http://www.andrewsworld.net/
ICQ: 2895251
Cisco Certified Network Associate

Learn from the mistakes of others. You won't live long enough to make all
of them yourself.




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RE: Cisco exam Centers (Spain, Madrid) [7:58898]

2002-12-10 Thread R M
here you'll find a few:

- Professional training (I've done every single exam here)
- Global Knowledge
- Instituto Cibernos

and a few more...

Prices for CCNA and CCNP exams around 144€ + IVA each one, you might ask
them to get rid of the IVA so you can save a few €s.

Good luck!!



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RE: MTU problem handling [7:58894]

2002-12-10 Thread Priscilla Oppenheimer
Haynes, Mark wrote:
 
 Hi Folks,
 
 Can anyone tell me, or point me to a link that does, what
 happens on a
 Catalyst Switch when an MTU problem occurs ?
 I know that when a router is involved, if a packet is larger
 than the MTU of
 the interface it needs to traverse, the router would examine
 the 'Don't
 Fragment' (DF) bit within the packet. If the DF bit is set to 1
 then the
 packet will be dropped and an ICMP packet will be sent back to
 sending
 device informing it of the fact. If, however, the DF bit is set
 to 0 then
 the packet will be fragmented to conform to the MTU of the
 interface, and
 will then be forwarded for re-assembly by the recieving device.
 What I would like to know is, what happens if this problem
 occurs within
 a Switch ?

A layer 2 switch doesn't look past the layer 2 header so wouldn't know about
the DF bit in the IP header. If a frame were too large to send out an
interface, the switch would simply drop it. It wouldn't send an ICMP message.

A frame arriving that was too large to forward would be an odd occurance,
since switches usually connect like networks, but it could happen. Gigabit
Ethernet sometimes uses jumbo frames, for example, although I think there is
some controversy about whether it should. Another example is the infamous
Ethernet/Token Ring bridges of lore, which had numerous problems including
this very one.

Now, there were vendors who had bridges that did fragmentation, but they
were sort of considered hacks. The concept of a bridge looking at Layer 3
info gave many purists the heebie-geebies (technical term).

If you have Radia Perlman's book, Interconnections, I believe she has a few
choice words to say on this topic.

If you're trying to troubleshoot an actual problem, let us know some more
details. If it's just theory, than the info I provided should help.
___

Priscilla Oppenheimer
www.troubleshootingnetworks.com
www.priscilla.com

 
 
 thanks,
 Mark Haynes
 
 


  This message contains information that may be privileged or
 confidential and
 is the property of the Cap Gemini Ernst  Young Group. It is
 intended only for
 the person to whom it is addressed. If you are not the intended
 recipient, you
 are not authorized to read, print, retain, copy, disseminate,
 distribute, or use
 this message or any part thereof. If you receive this message
 in error, please
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Auto-Negotiation or Manual Configuration [7:58904]

2002-12-10 Thread [EMAIL PROTECTED]
From my experience in networking I made my mind that manual configuration
of speed and mode is the better choice.

Cisco recommends fixed configuration too.

For my surprise,   802.3 specification states:

It is strongly recommended that Auto-Negotiation be used ...
Manual configuration is not recommended

That sounds weird for me.  Any thoughts?




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RE: BCRAN 640-505 [7:58871]

2002-12-10 Thread Richard Burdette
Concerning BCRAN, I don't see anything in the current exam topics that
specify the configuration of a Cisco 700 series router.  The Cisco books I
have (605 series) devote an entire Chapter on this topic. Was it relevant to
the 605 exam and not the 606?  I'm reading the chapter anyway as I have not
had experience with this device, just wondering if I need to commit things
to memory.

Rich


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RE: BCRAN 640-505 [7:58871]

2002-12-10 Thread John McCartney
Just understand the basics of the 700 series, what it can connect to the
internal settings - LAN, System, etc..There was alittle on it when I took it
last May. Good luck.


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BGP using HSRP virtual ip address? [7:58907]

2002-12-10 Thread Kim Seng
__
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Can I configure BGP neighbor using HSRP VIP ip address of [7:58908]

2002-12-10 Thread Kim Seng
r1
|
|
-
|   |
|   |
r2  r3

In the above configuration, r2 and r3 are configured
with HSRP.
I need to configure iBGP between r1, r2 and R3. Can I
configure neighbor from r1 to r2 and r3 using the HSRP
virtual ip address? or I need to use r2, r3 real ip
address or using peer-group?


Thanks.

Kim.


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Re: Auto-Negotiation or Manual Configuration [7:58904]

2002-12-10 Thread John Neiberger
I've discovered that if you have NICs that are relatively new (less than
three years) and you have updated drivers then autonegotiation works
very well.  In the past it's been a rancid, evil mechanism that almost
guaranteed link failure at some point. The stability of this mechanism
has improved greatly over the last few years and for various reasons it
may actually be better than hard-setting the speed and duplex.  

If you have recent NICs with the latest drivers and you have relatively
new switches then give it a shot.  Make sure you set BOTH sides to auto.
 Never configure auto on one side only.  If the mechanism is to work as
intended both sides must be configured for autonegotiation.

People who know far more about NIC technology than I have stated that
hard-setting the speed and duplex on newer switches and NICs is the
absolute worst thing to do if you desire link stability.  This advice
does not apply if you have older NICs and switches.

Do a Google Group search on this topic and you'll find some quite
heated but informative debates.

HTH,
John

 [EMAIL PROTECTED]  12/10/02
11:10:01 AM 
From my experience in networking I made my mind that manual
configuration
of speed and mode is the better choice.

Cisco recommends fixed configuration too.

For my surprise,   802.3 specification states:

It is strongly recommended that Auto-Negotiation be used ...
Manual configuration is not recommended

That sounds weird for me.  Any thoughts?




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RE: Can I configure BGP neighbor using HSRP VIP ip add [7:58908]

2002-12-10 Thread Xueyan Liu
I ran into this problem before and figured out I had to peer with the real
addresses. That worked out fine.

Xueyan


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RE: Hello (long response) [7:5788]

2002-12-10 Thread Kaminski, Shawn G
Bill,

I agree with you in that it was very foolish to just start throwing pink
slips around without first finding out how these individuals may be able to
help the company. I'm sure many of them would be happy to take a pay cut and
would still be able to contribute valuable input. I don't believe it is a
weakness not having the so-called killer instinct. People with that trait
usually end up killing their own careers by making stupid, ego-based,
inaccurate decisions.

Shawn K.  

-Original Message-
From: Creighton Bill-BCREIGH1 [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, December 10, 2002 12:31 PM
To: [EMAIL PROTECTED]
Subject: RE: Hello (long response) [7:5788]


Nrf, I always look forward to hearing your view. Your points are valid, and
I very much agree to your acknowledgement of the merging worlds of network
and systems engineering. As far as personnel management, though, my first
rule is to make decisions in the best interest of the company while ensuring
the staff is challenged and fulfilled. If Adrian's staff was not challenged
due to the diminished role of Routing and Switching, I don't believe his
first course of action should have been to throw them away. If they were
contractors to whom the company was not obligated to train outside the scope
of the original project, then concessions could have been made to
renegotiate the rate in return for realigned objectives. If they weren't
contractors, this is an example of a dangerous trend in all business
environments. There are ways around throwing an employee on the street. I
don't care WHAT kind of budget you have to work with. Sometimes cuts can't
be avoided regardless of the belt tightening that a department may do, but
this case does not seem to be one where an executive decision was made to
eliminate X amount of headcount. This list has provided countless posts of
industry aces taking massive pay cuts to put food on the table. It may be my
weakness to not have the killer instinct that Adrian has displayed, but
I'd rather offer any position I could as a Unix or security admin at a
lowered rate, than to take away someone's entire livelihood.

Bill Creighton CCNP
Senior System Engineer
Motorola
iDEN CNRC Packet Data / MPS
1301 E. Algonquin Road
Schaumburg, IL 60196
[EMAIL PROTECTED]


-Original Message-
From: nrf [mailto:[EMAIL PROTECTED]] 
Sent: Tuesday, December 10, 2002 12:23 AM
To: [EMAIL PROTECTED]
Subject: Re: Hello (long response) [3:5788]


I stated this before on the other thread, but I'll state it again.  While I
think that the way Adrian handled the situation was beyond the pale (and I
think everybody here on this newsgroup knows that I ain't no wallflower), I
have to say that I actually do agree somewhat with the gist of what he was
saying.  Let's face it - R/S skills are simply not as demanded as they were
in the past, and if R/S people want to maintain their high salaries (or even
keep their job), they better develop different skills.   IT has always been
an industry of flux, where skills that used to command high pay one day no
longer do so the next day.  Anybody who expects to keep a job but who
can't/won't update their skills to whatever happens to be demanded by the
marketplace at the time is playing a dangerous game indeed.

But again, that's not so say that I condone Adrian's methods.


Jesus Velazquez  wrote in message
news:[EMAIL PROTECTED]...
 Bill, I agree. These CCIE's are obviously certified as internetworking 
 experts (R/S) not security or unix admins...therefore I find it unfair 
 for Adrian to fire them based on what he wished they should be skilled 
 in. My question to Adrian is did he ever provide them the opportunity 
 to become well rounded in unix / security as well. If not, then shame 
 on him and
that
 displays poor leadership potential on his part. Perhaps he felt his 
 job could have been at risk if he is making more than any of the 
 ccie's he canned. I sure hope Adrian can perform the responsibilities 
 of the 4
ccie's.
 Now that he dumped these ccie's I can imagine how big his christmas 
 bonus will be.

 The more I read about layoffs the sicker I get. This field is becoming
more
 cut throat then ever. As the cliche goes, what goes around, comes 
 around but with more velocity

 unbelievable-

 -Original Message-
 From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of 
 Creighton Bill-BCREIGH1
 Sent: Monday, December 09, 2002 5:03 PM
 To: [EMAIL PROTECTED]
 Subject: RE: Hello (long response) [3:5788]


 Agreed.
 Help you need maybe with grammar to be speaking about no skills others
have.

 People in glass houses shouldn't throw stones - especially if, what 
 you
say
 is true, you are in a managerial role. I find it hard to believe that 
 you would have such little respect for others and still be able to
successfully
 lead others.

 I have a recommendation for your personal and professional growth. If 
 you wish to progress to managerial or executive level positions, you 
 

Re: Loopback and OSPF [7:58890]

2002-12-10 Thread Christopher Dumais
Never mind..I found my answer. Thanks!

Chris Dumais, CCNP, CNA
Sr. Network Administrator
NSS Customer and Desktop Services Team
Maine Medical Center
(207)871-6940
[EMAIL PROTECTED]

 Christopher Dumais  12/10/02 11:00:45 AM 
Can you use Loopback interfaces to pass OSPF traffic? Here is my example:

Router A

Interface loopback0
ip address 10.10.10.10 255.255.255.0

Interface Vlan 2
ip address 2.2.2.2 255.255.255.0

Router ospf 1 
network 0.0.0.0 255.255.255.255 area 0

Router B

Interface loopback 0
ip address 10.10.10.11 255.255.255.0

Interface Vlan 3
ip address 3.3.3.3 255.255.255.0

Router ospf 1
network 0.0.0.0 255.255.255.255 area 0

Will the loopback interfaces pass along the OSPF traffic so that both router
will know about vlans 2 and 3? I know that OSPF will use loopbacks as the
router ID, but have not found anything conclusive about OSPF distribution.
Thanks in advance!!

Chris Dumais, CCNP, CNA
Sr. Network Administrator
NSS Customer and Desktop Services Team
Maine Medical Center
(207)871-6940
[EMAIL PROTECTED]




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Re: How to change the default Telnet port of a router [7:58647]

2002-12-10 Thread Simon Cheng
Hi Raj,
It's work now!!! :) Thanks for your advise.
Actually I'm working on the way like you described but I'm digging into the
hole in applying additional access list on the vty... that's why it fail.
Now everything is good. Thanks
Simon

Raj Santiago   Hi Simon,


  There is a way, but its a hack. I dont recommend you do this, but just
 shows that you dont always need to attack the problem directly..

 anyway here is a simple diagram
  s0  s1
   10.0.0.110.0.0.2
 --
  |
  172.16.55.1
 (eth0)


 on RTA apply the following config :

 ip nat inside source static tcp 172.16.55.1 23 172.16.55.1 2002 extendable
 !
 interface Ethernet0
  description Dummy interface for lab testing
  ip address 172.16.55.1 255.255.255.0
  no keepalive
 !
 interface Serial0
  ip address 10.0.0.1 255.255.255.0
  ip nat outside
  clockrate 38400
 !

 So basically your mapping the local telnet port 23, to port 2002. If you
try
 and telnet normally to ip 172.16.55.1 you wont initiate a connection as
NAT
 will reply back with a port of 2002. Hence the only way to obtain telnet
is
 to telnet to 172.16.55.1 2002

 raj




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RE: Routing Exam:640-901 [7:58867]

2002-12-10 Thread Symon Thurlow
I used both, and found actually doing the labs to be a really good way
to cement the theory into my memory.

Some people can learn from just reading, but as a good friend mentioned
to me the other day, as I was trying to Show him something : Doing is
Learning.

Symon

-Original Message-
From: Tangled Up in Blue [mailto:[EMAIL PROTECTED]] 
Sent: 10 December 2002 15:01
To: [EMAIL PROTECTED]
Subject: RE: Routing Exam:640-901 [7:58867]


Peri,

I am taking my 901 on Thursday of this week as well! I have the Cisco
Press Book by Paquet, and it suppossed to cover all of the test
material. I also downloaded the IS-IS supplement from Cisco. I know
NOTHING about IS-IS, so I'm going to learn the basics and pray that
there are only about 4-5 questions on it. I've worked in networking with
Cisco products since 2000, so I feel comforatable with day-to-day
operations, and I'm fairly comfident with my commands. What I have been
concentrating on is more of the book stuff like metric stuff, bgp path
attributes, and the specific routing commands that are applied to
interfaces. I have a lab with 4 2500's, but to be honest, I feel like
the books are more important for this specific exam. Anyone who has
taken the test, I would like to hear your opinion on book specifics vs.
router configs on the BSCI exam, please.

Kalo Taxithi - jason
=

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RE: BCRAN 640-505 [7:58871]

2002-12-10 Thread Kaminski, Shawn G
Also, the 1600 series and the positioning of these routers (and other
routers) in the market.

Shawn K.

-Original Message-
From: John McCartney [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, December 10, 2002 2:00 PM
To: [EMAIL PROTECTED]
Subject: RE: BCRAN 640-505 [7:58871]


Just understand the basics of the 700 series, what it can connect to the
internal settings - LAN, System, etc..There was alittle on it when I took it
last May. Good luck.




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OT low cost DS3 router [7:58916]

2002-12-10 Thread jeff sicuranza
Fellas, this request just came in from a buddy of mine, if figured while I
search I was wondering if any of you have seen or used one before.

Take off your Cisco hat for second and think about this:

What device would you use to terminate a DS3 to ethernet that is ultra low
cost. I need to find a low cost, carrier type CPE that will take a DS3 and
hand off eithernet. Low cost, low feature is the guiding word.

Let me know

Thanks...

/JS


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RE: bandwidth [7:58788]

2002-12-10 Thread Ted Marinich
Selcuk,

What are you tring to achieve by doing this?  Switch operates at layer 2. 
Unless, you are wanting to change the speed and duplex from auto to a
static, which is done by speed 10 and duplex half under the interface.

If you are wanting to change metrics, then that will have an impact on your
Span-Tree topology.

Ted


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RE: Auto-Negotiation or Manual Configuration [7:58904]

2002-12-10 Thread Priscilla Oppenheimer
[EMAIL PROTECTED] wrote:
 
 From my experience in networking I made my mind that manual
 configuration
 of speed and mode is the better choice.
 
 Cisco recommends fixed configuration too.
 
 For my surprise,   802.3 specification states:
 
 It is strongly recommended that Auto-Negotiation be used ...
 Manual configuration is not recommended
 
 That sounds weird for me.  Any thoughts?

Of course, they say that. They invented it. :-) They couldn't know that it
wouldn't really work in the real world. Unlike IETF, I don't think IEEE has
strict rules about there needing to be implementations that interoperate
before a standard is declared finished.

Actually, some of the problems come about because some vendors started
implementing auto-negotation before the standard came out and did things a
little differently. That always happens.

There are some cases, by the way, where manual configuration won't work
either! I've run into that.

In general, the problems are starting to go away, however. The vendors are
mostly doing things in an ineroperable manner now and auto-negotiation may
be safe to use again, at least from my limited experience.
___

Priscilla Oppenheimer
www.troubleshootingnetworks.com
www.priscilla.com

 
 




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RE: Loopback and OSPF [7:58890]

2002-12-10 Thread Joshua Vince
Could you share with the rest of us?  :-)

-Original Message-
From: Christopher Dumais [mailto:[EMAIL PROTECTED]] 
Sent: Tuesday, December 10, 2002 2:42 PM
To: [EMAIL PROTECTED]
Subject: Re: Loopback and OSPF [7:58890]


Never mind..I found my answer. Thanks!

Chris Dumais, CCNP, CNA
Sr. Network Administrator
NSS Customer and Desktop Services Team
Maine Medical Center
(207)871-6940
[EMAIL PROTECTED]

 Christopher Dumais  12/10/02 11:00:45 AM 
Can you use Loopback interfaces to pass OSPF traffic? Here is my
example:

Router A

Interface loopback0
ip address 10.10.10.10 255.255.255.0

Interface Vlan 2
ip address 2.2.2.2 255.255.255.0

Router ospf 1 
network 0.0.0.0 255.255.255.255 area 0

Router B

Interface loopback 0
ip address 10.10.10.11 255.255.255.0

Interface Vlan 3
ip address 3.3.3.3 255.255.255.0

Router ospf 1
network 0.0.0.0 255.255.255.255 area 0

Will the loopback interfaces pass along the OSPF traffic so that both
router will know about vlans 2 and 3? I know that OSPF will use
loopbacks as the router ID, but have not found anything conclusive about
OSPF distribution. Thanks in advance!!

Chris Dumais, CCNP, CNA
Sr. Network Administrator
NSS Customer and Desktop Services Team
Maine Medical Center
(207)871-6940
[EMAIL PROTECTED]




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RE: Auto-Negotiation or Manual Configuration [7:58904]

2002-12-10 Thread Brian
Yes indeed there are cases where setting it manually will not work, and
auto-neg needs to be in place.  I've run into this with ixtreme servers
connected to 2900 switches.  Tis yet another reason to test before
implementation.

Bri


On Tue, 10 Dec 2002, Priscilla Oppenheimer wrote:

 [EMAIL PROTECTED] wrote:
 
  From my experience in networking I made my mind that manual
  configuration
  of speed and mode is the better choice.
 
  Cisco recommends fixed configuration too.
 
  For my surprise,   802.3 specification states:
 
  It is strongly recommended that Auto-Negotiation be used ...
  Manual configuration is not recommended
 
  That sounds weird for me.  Any thoughts?

 Of course, they say that. They invented it. :-) They couldn't know that it
 wouldn't really work in the real world. Unlike IETF, I don't think IEEE has
 strict rules about there needing to be implementations that interoperate
 before a standard is declared finished.

 Actually, some of the problems come about because some vendors started
 implementing auto-negotation before the standard came out and did things a
 little differently. That always happens.

 There are some cases, by the way, where manual configuration won't work
 either! I've run into that.

 In general, the problems are starting to go away, however. The vendors are
 mostly doing things in an ineroperable manner now and auto-negotiation may
 be safe to use again, at least from my limited experience.
 ___

 Priscilla Oppenheimer
 www.troubleshootingnetworks.com
 www.priscilla.com




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Re: Resricicting Certain Users -Pix 515 UR [7:58861]

2002-12-10 Thread Kevin O'Gilvie
Sounds good..
But websense is very expensive..
Wont lists do the job as well: e.g

object-group network REST-LAN-USR
  network-object 10.1.x.x 255.255.255.0
object-group network Rest-SRV
  network-object host 64.232.56.99
  network-object host 209.123.45.67

access-list RESTRICTED permit tcp object-group REST-LAN-USR object-group 
Rest-SRV eq www

And just put those users in that subnet?

Thanks Brad






From: Brad 
Reply-To: Brad 
To: [EMAIL PROTECTED]
Subject: Re: Resricicting Certain Users -Pix 515 UR [7:58861]
Date: Tue, 10 Dec 2002 15:42:54 GMT

Kevin,

Hi!  I would say the best way to do something like this would probably be
using Websense (or similar software) in conjunction with your Pix.  I've
setup Websense before, and it's pretty easy.

thanks,
-Brad Ellis
CCIE#5796 (RS / Security)
Network Learning Inc
[EMAIL PROTECTED]
www.optsys.net (Cisco hardware)

Kevin O'Gilvie  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
  Hi All,
 
  I would like to create a group lets say x,x,x,x-x.x.x.x and restrict 
them
to
  only certain websites, I am guessing I will have to use ip addresses of
  those sites, but still allow them to access the local network..
  Whats the best way to go about this.
  I have been using groups in my configs thus far..
 
  BTW- I love you guys in this group, it has to be the best news group
around
  right now, lets keep the standards high and weed out the slackers that 
are
  trying to water down the CCIE's. We are doing more work for less money 
and
  the main reason why is because we are settling, we work damn hard and
invest
  time and money to achieve these goals, and should be awarded as such. I
dont
  see doctors building practice labs in there homes to cure patients, nor
  lawyers building practice court rooms..
 
  Sorry for the ranting but every year it seems you have to have more and
more
  letters after your name to earn a decent living in this technology 
arena,
  when we are the ones that are enabling these million and billion dollar
  companies to do business seemlessly anytime and anywhere..
 
  -Kevin
 
  _
  The new MSN 8: smart spam protection and 2 months FREE*
  http://join.msn.com/?page=features/junkmail
_
Add photos to your messages with MSN 8. Get 2 months FREE*. 
http://join.msn.com/?page=features/featuredemail




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640-851 test taken [7:58923]

2002-12-10 Thread meidinger
I took the 6490-851 yesterday. 112 questions, 120 minutes, not alot of
time to do the simulation.

I hope this question doesn't brake nondisclosure agreement. In the
simulation how far do you go? Do you need to put in commands like no
shutdown  copy run start? How many points are the Sims worth?




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640-851 test taken [7:58925]

2002-12-10 Thread meidinger
I took the 6490-851 yesterday. 112 questions, 120 minutes, not a lot of
time to do the simulations.

I hope this question doesn't brake nondisclosure agreement. In the
simulation how far do you go? Do you need to put in commands like no
shutdown  copy run start? How many points are the Sims worth?




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RE: Routing Exam:640-901 [7:58867]

2002-12-10 Thread Kaminski, Shawn G
Agreed. When you actually do something, it tends to stay in memory. On
most of my exams, I would read the text and then try to incorporate the
topic into my lab. It really helped to understand the topic. However, as the
original poster mentioned, there are some topics on this exam that you can't
actually do and must memorize them. So, as with all exams, books, Cisco
blueprint, CCO, and hands-on are a good bet for success!

Shawn K.   

-Original Message-
From: Symon Thurlow [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, December 10, 2002 2:46 PM
To: [EMAIL PROTECTED]
Subject: RE: Routing Exam:640-901 [7:58867]


I used both, and found actually doing the labs to be a really good way
to cement the theory into my memory.

Some people can learn from just reading, but as a good friend mentioned
to me the other day, as I was trying to Show him something : Doing is
Learning.

Symon

-Original Message-
From: Tangled Up in Blue [mailto:[EMAIL PROTECTED]] 
Sent: 10 December 2002 15:01
To: [EMAIL PROTECTED]
Subject: RE: Routing Exam:640-901 [7:58867]


Peri,

I am taking my 901 on Thursday of this week as well! I have the Cisco
Press Book by Paquet, and it suppossed to cover all of the test
material. I also downloaded the IS-IS supplement from Cisco. I know
NOTHING about IS-IS, so I'm going to learn the basics and pray that
there are only about 4-5 questions on it. I've worked in networking with
Cisco products since 2000, so I feel comforatable with day-to-day
operations, and I'm fairly comfident with my commands. What I have been
concentrating on is more of the book stuff like metric stuff, bgp path
attributes, and the specific routing commands that are applied to
interfaces. I have a lab with 4 2500's, but to be honest, I feel like
the books are more important for this specific exam. Anyone who has
taken the test, I would like to hear your opinion on book specifics vs.
router configs on the BSCI exam, please.

Kalo Taxithi - jason
=

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 subject to spam filtering. If you consider
 this email is unsolicited please forward
 the email to [EMAIL PROTECTED] and
 request that the sender's domain be
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RE: Alittle off topic [7:58917]

2002-12-10 Thread Fernandez, Tim
Hi everybody.  Anyone have an opinion on a good beginning book on Unix?
Thanks,

Tim.




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LONG RE: Auto-Negotiation or Manual Configuration [7:58904]

2002-12-10 Thread John Neiberger
I previously mentioned that with newer hardware autonegotiation might be
the way to go.  Here are some snippets from a discussion of this very
issue by people more NIC-savvy than me.  It should be noted that NWAY
refers to the autonegotiation mechanism.  Along with other information,
this discussion caused me to look at autonegotiation of speed and duplex
settings in a new light.



 but most people agree that auto-negotiation
 (while being a good idea) is not the way to configure a reliable
network.

Oh no, they do not. Most people that really know this stuff actually
agree that nway is usually the way to go, and if problems arise
masking
them is not the best solution. FOr instance, one of the well-known
guys
strongly supporting NWAY as the only real way to configure is Donald
Becker, the guy writing almost all linux nic drivers.





 What are (if any) the advantages or issues in choosing half or full
duplex
 on the server card connected to a 100mps switch and the workstation
cards
 connected at 100 mps as well.

In my opinion you're better off setting both ends of the link to auto
and
let the NIC/switch negotiate. This is the only *correct* way to
guarantee
that a  link will work. For a long time its been an unwritten
networking
law to always disable auto-whatever and force the settings, and
while
this may have been true for old networking gear (and is still
definitely
true for frame types!), its simply not the case anymore.

Unless your gear is more than six years old, it should be able to
negotiate
the correct speed and duplex on its own. If you connect a server and
switch
port together with each set to auto and they *don't* negotiate a full
duplex
link, then you most likely have a wiring issue and forcing either or
both
ends to FD is only asking for trouble as it will mask the underlying
problem.





 Ive connected over 80 compaq servers into these switches, ranging
from
 single FD connections to 4 Dual port cards in a backup server. All
these
 were set to 100mb full duplex. The only time we had a problem was
when a
 server engineer left the server setting to autonegotiate.

In that case you were plain lucky that it works in the combination
450T/your compaq cards, and it may fail without notice with the next
update or different NIC you use.
Let me explain:

When two 100BaseTX devices get connected, they default to
autonegotiation. First of all they try to detect if the other device
does auto (NWAY) or not. By default, it would detect that, and now
both
devices will try to agree on the highest common speed. SO far, so
good.
What happens when you manually set one or both of the two devices is
beyond any standard, and is completely up to the vendor. Basically,
there are two possibilities, and both are equally used throughout the
different vendors:

a. The manually configured device still has nway enabled, but offers
only the speed and duplex setting it's configured for. Some devices
also
offer the configured *and* lower settings. In that case, negotiation
with a device that's still set for full autonegotiation could work.

b. The device disables nway completely, and hardcoded simply tries to
establish the LINK with it's configured setting.
In that case, if the remote device is set to full autonegotiation, it
*will* without a doubt fall back to half duplex, as it assumes a HUB
is
connected, which does not do NWAY. In case you set the fist device to
FD
in that case, you'll have a mismatch. THat's the worst case scenario,
i.e. setting only one side manually to FD while leaving the other side
set at auto.

Now, if you have one side that uses a. from above, and the other
device
uses b., you're in trouble, *even* when both devices are set manually
to
FD. One of them possibly *regardless that you set it to FD*, fall back
to HD as it doesn't detect a NWAY capable device on the other end.
That's why I said the only guarantted working manual configuration is
HD. Sure enough, FD *could* work depending on the devices in use, but
it
can stop working with the next driver, firmware or hardware revision.
Simply put, the only guaranteed and standarized way to make full
duplex
work is autonegotiation.


 It may not adhere to best practice or be the recommended way of
doing
 things, but with the 450T switches it works.

Then they're broken and are not certified 100BaseTX devices.

 Ive always been under the impression that autonegotiation was to be
watched
 carefully and not trusted in all ethernet network environments.

No. Again, autonegotitaion is *the only* way to connect 100BaseTX
devices according to the IEEE standard. Anything else means leaving
the
standard and can and does lead to unpredictable results.





 So what works well with one setup, doesn't mean it will be the
 same elsewhere with different equipment.  This in itself is enough
for us to
 not rely on the technology.  We have to keep the speed of the
Networks at
 top performance, as people's lives may depend on it (I'm not being
dramatic,
 we have 

Re: Routing Exam:640-901 [7:58867]

2002-12-10 Thread B.J. Wilson
Tell me, and I may forget;
Show me, and I may remember;
Involve me, and I'll understand.

;-)


- Original Message -
From: Kaminski, Shawn G 
To: 
Sent: Tuesday, December 10, 2002 3:38 PM
Subject: RE: Routing Exam:640-901 [7:58867]


 Agreed. When you actually do something, it tends to stay in memory. On
 most of my exams, I would read the text and then try to incorporate the
 topic into my lab. It really helped to understand the topic. However, as
the
 original poster mentioned, there are some topics on this exam that you
can't
 actually do and must memorize them. So, as with all exams, books, Cisco
 blueprint, CCO, and hands-on are a good bet for success!

 Shawn K.




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RE: Alittle off topic [7:58917]

2002-12-10 Thread Brian
beginning user or admin?  If you're even a moderate user, there is some
admin in that.

Really, I like these books best..

O'Reilly's Essential System administration, a new edition was recently
released.
Unix System Administration handbook by Nemeth, Snyder, Seabass, hein.

Bri


On Tue, 10 Dec 2002, Fernandez, Tim wrote:

 Hi everybody.  Anyone have an opinion on a good beginning book on Unix?
 Thanks,

 Tim.




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Re: Auto-Negotiation or Manual Configuration [7:58904]

2002-12-10 Thread Larry Letterman
At Cisco we run auto/auto on our desktop network and have few
problems..AS previously stated it is NIC and switch dependant.

-L

Priscilla Oppenheimer wrote:

[EMAIL PROTECTED] wrote:

From my experience in networking I made my mind that manual
configuration
of speed and mode is the better choice.

Cisco recommends fixed configuration too.

For my surprise,   802.3 specification states:

It is strongly recommended that Auto-Negotiation be used ...
Manual configuration is not recommended

That sounds weird for me.  Any thoughts?


Of course, they say that. They invented it. :-) They couldn't know that it
wouldn't really work in the real world. Unlike IETF, I don't think IEEE has
strict rules about there needing to be implementations that interoperate
before a standard is declared finished.

Actually, some of the problems come about because some vendors started
implementing auto-negotation before the standard came out and did things a
little differently. That always happens.

There are some cases, by the way, where manual configuration won't work
either! I've run into that.

In general, the problems are starting to go away, however. The vendors are
mostly doing things in an ineroperable manner now and auto-negotiation may
be safe to use again, at least from my limited experience.
___

Priscilla Oppenheimer
www.troubleshootingnetworks.com
www.priscilla.com




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Re: Auto-Negotiation or Manual Configuration [7:58904]

2002-12-10 Thread MADMAN
Just got finished with a weird problem and the fix was auto
negotiation on a 7200/w PA-2FE-TX.  Problem was customer was seeing many
CRC errors incrmenting on FE.  Unfortunately another group within our
organization monitors this customers network and one thing they monitor
are input and output errors.  For some reason which I need to figure out
the CRCs were counting up but the input errors remained 0 therefore
never alerting out monitoring group.

  I can come up with examples of many differant scenerios, as Priscilla
mentions, unfortunately it's somewhat of a crapshoot!!

  Dave

Priscilla Oppenheimer wrote:
 
 [EMAIL PROTECTED] wrote:
 
  From my experience in networking I made my mind that manual
  configuration
  of speed and mode is the better choice.
 
  Cisco recommends fixed configuration too.
 
  For my surprise,   802.3 specification states:
 
  It is strongly recommended that Auto-Negotiation be used ...
  Manual configuration is not recommended
 
  That sounds weird for me.  Any thoughts?
 
 Of course, they say that. They invented it. :-) They couldn't know that it
 wouldn't really work in the real world. Unlike IETF, I don't think IEEE has
 strict rules about there needing to be implementations that interoperate
 before a standard is declared finished.
 
 Actually, some of the problems come about because some vendors started
 implementing auto-negotation before the standard came out and did things a
 little differently. That always happens.
 
 There are some cases, by the way, where manual configuration won't work
 either! I've run into that.
 
 In general, the problems are starting to go away, however. The vendors are
 mostly doing things in an ineroperable manner now and auto-negotiation may
 be safe to use again, at least from my limited experience.
 ___
 
 Priscilla Oppenheimer
 www.troubleshootingnetworks.com
 www.priscilla.com
-- 
David Madland
CCIE# 2016
Sr. Network Engineer
Qwest Communications
612-664-3367

You don't make the poor richer by making the rich poorer. --Winston
Churchill




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AIM-COMPR4 Product Experience? [7:58932]

2002-12-10 Thread Aaron J. Moreau-Cook
Does anyone have real world experience with the AIM-COMPR4 product?

Cisco claims 4:1 compression. Anyone else seeing this?

Thanks!

Aaron




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RE: 640-851 test taken [7:58925]

2002-12-10 Thread Kaminski, Shawn G
My guess is that you for sure have to do the no shutdown command but
probably not the copy run start command. After all, you're doing a
simulation that is supposed to represent what you would actually do in a
certain situation. If you don't bring up an interface and that interface is
needed for the configuration to work, then your configuration won't work. On
the other hand, your configuration will still work without the copy run
start as long as the router doesn't need to be rebooted.

Not sure how the simulations are graded.

Shawn K.

-Original Message-
From: meidinger [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, December 10, 2002 3:37 PM
To: [EMAIL PROTECTED]
Subject: 640-851 test taken [7:58925]


I took the 6490-851 yesterday. 112 questions, 120 minutes, not a lot of
time to do the simulations.

I hope this question doesn't brake nondisclosure agreement. In the
simulation how far do you go? Do you need to put in commands like no
shutdown  copy run start? How many points are the Sims worth?




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Checkpoint and Cisco Catalyst Integration [7:58934]

2002-12-10 Thread Chris Watson
I am planning on doing a dual Checkpoint to dual Cat install. The Nokia FW
will be running two instances of VRRP each with dual home to the Cats.

1) Has anyone else done this?
2) What issues/problems/concerns should I keep an eye out for?
3) Does anyone have a sample config for the Cats?
4) Do you have a sample config for the Nokias?

Thanks!

Chris Watson, CCNP
Recent Survivor of The Written Exam




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Re: OT low cost DS3 router [7:58916]

2002-12-10 Thread Peter van Oene
At 07:47 PM 12/10/2002 +, jeff sicuranza wrote:
Fellas, this request just came in from a buddy of mine, if figured while I
search I was wondering if any of you have seen or used one before.

Take off your Cisco hat for second and think about this:

What device would you use to terminate a DS3 to ethernet that is ultra low
cost. I need to find a low cost, carrier type CPE that will take a DS3 and
hand off eithernet. Low cost, low feature is the guiding word.

Last I checked, most carriers buy Cisco here.



Let me know

Thanks...

/JS




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NPE-200 [7:58935]

2002-12-10 Thread Keith Woodworth
I cant find what I'm looking for on CCO, even logged in, and its annoying
me...I'm not keen on Cisco's new site layout.

Our upstream that was have a DS3 with, has their router, a 7202 w/NPE-200,
located in our equipment room. We have been noticing a large slowdown in
the evenings sometimes. 

After doing some tweaking of our 7206vxr we have managed to improve
performance on our router (thanks to others from here), but we are not
seeing any improvment overall.

Our upstream has done some baselining and have told us while we have not
maxed out our BW, which is true, our own graphs and baselines show we max
our incoming at about 20Mbits/sec and out about 15Mbits/sec. (we can burst
to the full capacity of the DS3 if we need to and get charged accordingly).

But what they have come up with is the cells seem to be maxing out. We hit
80k cells/sec according to them at peak.

What Ive been looking for is info on what the NPE-200 can do w/regards to
throughput on a 7202? NPE-200 is EOL and I cannot find any specs on the
NPE-200 and what it can do performance wise...anyone know?

Thanks,
Keith




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Re: Hello (long response) [7:5788]

2002-12-10 Thread Chris Watson
Not to mention that someday he will have to face at least one of us
professionally.

Watch yer back Adrian, this community is still small at the higher levels
and your decision will bite you in the ass sooner or later.

-Doc-

Kaminski, Shawn G  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
 Bill,

 I agree with you in that it was very foolish to just start throwing pink
 slips around without first finding out how these individuals may be able
to
 help the company. I'm sure many of them would be happy to take a pay cut
and
 would still be able to contribute valuable input. I don't believe it is a
 weakness not having the so-called killer instinct. People with that
trait
 usually end up killing their own careers by making stupid, ego-based,
 inaccurate decisions.

 Shawn K.
 SNIP




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Re: Can I configure BGP neighbor using HSRP VIP ip address of [7:58938]

2002-12-10 Thread Peter van Oene
At 07:15 PM 12/10/2002 +, Kim Seng wrote:
r1
 |
 |
 -
 |   |
 |   |
 r2  r3

In the above configuration, r2 and r3 are configured
with HSRP.
I need to configure iBGP between r1, r2 and R3. Can I
configure neighbor from r1 to r2 and r3 using the HSRP
virtual ip address? or I need to use r2, r3 real ip
address or using peer-group?

BGP runs on TCP and you won't find stateful TCP failover as part of the 
HSRP spec.  Hence, this won't work, nor do you really want it to.  For 
policy reasons, peer with both upstreams and you'll have more control.






Thanks.

Kim.


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Re: Loopback and OSPF [7:58890]

2002-12-10 Thread Peter van Oene
At 04:00 PM 12/10/2002 +, Christopher Dumais wrote:
Can you use Loopback interfaces to pass OSPF traffic? Here is my example:

The below routers will never form an OSPF adjacency.  loopback addresses 
are virtual as you likley know, and inherently stub networks (ie they 
cannot be used for transit as the medium they represent holds only one
device)

Pete



Router A

Interface loopback0
ip address 10.10.10.10 255.255.255.0

Interface Vlan 2
ip address 2.2.2.2 255.255.255.0

Router ospf 1
network 0.0.0.0 255.255.255.255 area 0

Router B

Interface loopback 0
ip address 10.10.10.11 255.255.255.0

Interface Vlan 3
ip address 3.3.3.3 255.255.255.0

Router ospf 1
network 0.0.0.0 255.255.255.255 area 0

Will the loopback interfaces pass along the OSPF traffic so that both router
will know about vlans 2 and 3? I know that OSPF will use loopbacks as the
router ID, but have not found anything conclusive about OSPF distribution.
Thanks in advance!!

Chris Dumais, CCNP, CNA
Sr. Network Administrator
NSS Customer and Desktop Services Team
Maine Medical Center
(207)871-6940
[EMAIL PROTECTED]




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Re: NPE-200 [7:58935]

2002-12-10 Thread Brian
I like
http://www.cisco.com/en/US/products/hw/modules/ps2033/products_configuration_guide_chapter09186a00801056f4.html
when talk about npe bandwidth comes up.  Its a vxr specific link, but
theres a lot of npe info below, btw 7202 was eol as of jan 2002.

Bri


On Tue, 10 Dec 2002, Keith Woodworth wrote:

 I cant find what I'm looking for on CCO, even logged in, and its annoying
 me...I'm not keen on Cisco's new site layout.

 Our upstream that was have a DS3 with, has their router, a 7202 w/NPE-200,
 located in our equipment room. We have been noticing a large slowdown in
 the evenings sometimes.

 After doing some tweaking of our 7206vxr we have managed to improve
 performance on our router (thanks to others from here), but we are not
 seeing any improvment overall.

 Our upstream has done some baselining and have told us while we have not
 maxed out our BW, which is true, our own graphs and baselines show we max
 our incoming at about 20Mbits/sec and out about 15Mbits/sec. (we can burst
 to the full capacity of the DS3 if we need to and get charged accordingly).

 But what they have come up with is the cells seem to be maxing out. We hit
 80k cells/sec according to them at peak.

 What Ive been looking for is info on what the NPE-200 can do w/regards to
 throughput on a 7202? NPE-200 is EOL and I cannot find any specs on the
 NPE-200 and what it can do performance wise...anyone know?

 Thanks,
 Keith




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Re: Hello (long response) [7:58824]

2002-12-10 Thread Peter van Oene
I brought these issues to my boss attention last wednesday and on thursay he

ordered me to 'clean' house.  The first thing I did was to send pink slips
to all

4 CCIEs in the group and told them that they are fired because they don't
know

anything other than RS.  They were making $130k/year and sucking almost all
of

So essentially, you started on 11/25 and after 8 days of work you were 
making 500k/year headcount reductions? Is wine coming out of the tap there 
yet or did you wake up?

I don't disagree with your points and have never been one to judge an 
individuals quality on the basis of a vendor exam, but I think there are 
more credible ways to make this point.




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BCRAN or BSCI or both? [7:58942]

2002-12-10 Thread Kenan Ahmed Siddiqi
Hi there,
I have given 2 of my CCNP papers. Now I am confused whether to appear for
the remaining papers or wait for a while and then give them. Also, if I
should give the paper(s), should I appear for BCRAN or BSCI first? And what
should be the time frame in which I should finish giving both the exams? All
suggestions are most welcome. Thanks in advance! :)

Cheers,

Kenan


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Re: NPE-200 [7:58935]

2002-12-10 Thread Brian
Towards the bottom of
http://www.cisco.com/univercd/cc/td/doc/product/software/ios111/cc111/paatm3.htm
it states an npe-200 with the adapters on that page can do up to 800 SARs.

Bri


On Tue, 10 Dec 2002, Brian wrote:

 I like

http://www.cisco.com/en/US/products/hw/modules/ps2033/products_configuration_guide_chapter09186a00801056f4.html
 when talk about npe bandwidth comes up.  Its a vxr specific link, but
 theres a lot of npe info below, btw 7202 was eol as of jan 2002.

   Bri


 On Tue, 10 Dec 2002, Keith Woodworth wrote:

  I cant find what I'm looking for on CCO, even logged in, and its annoying
  me...I'm not keen on Cisco's new site layout.
 
  Our upstream that was have a DS3 with, has their router, a 7202
w/NPE-200,
  located in our equipment room. We have been noticing a large slowdown in
  the evenings sometimes.
 
  After doing some tweaking of our 7206vxr we have managed to improve
  performance on our router (thanks to others from here), but we are not
  seeing any improvment overall.
 
  Our upstream has done some baselining and have told us while we have not
  maxed out our BW, which is true, our own graphs and baselines show we max
  our incoming at about 20Mbits/sec and out about 15Mbits/sec. (we can
burst
  to the full capacity of the DS3 if we need to and get charged
accordingly).
 
  But what they have come up with is the cells seem to be maxing out. We
hit
  80k cells/sec according to them at peak.
 
  What Ive been looking for is info on what the NPE-200 can do w/regards to
  throughput on a 7202? NPE-200 is EOL and I cannot find any specs on the
  NPE-200 and what it can do performance wise...anyone know?
 
  Thanks,
  Keith




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Re: Checkpoint and Cisco Catalyst Integration [7:58934]

2002-12-10 Thread dre
Chris Watson  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
 I am planning on doing a dual Checkpoint to dual Cat install. The Nokia FW
 will be running two instances of VRRP each with dual home to the Cats.

 2) What issues/problems/concerns should I keep an eye out for?

You might want to re-consider your infrastructure.  There are
many attacks that will allow easy subversion of your firewalls.
See these papers for some Catalyst configuration advice that
prevents some of these attacks:
http://www.sans.org/newlook/resources/IDFAQ/vlan.htm
http://www.securite.org/presentations/secip/
http://www.blackhat.com/presentations/bh-usa-02/bh-us-02-convery-switches.pd
f

It's nice to note that even if you do set trunk off on all ports (or
switchport mode access under switch IOS), any would-be
attacker can just send a doubly encapsulated frame with tagged
Ethernet (although you can prevent this from travelling between
switches by using different native vlans on the trunks on each
switch pair).  Now you still need to worry about the vrrp based
attacks, vtp attacks, forced switch flooding, arp spoofing, etc etc.

You're better off securing your hosts than using firewalls.  If a
sinlge host gets owned, you blow up your whole trust domain, and
allow for about a billion different types of covert channels.  You
can and should configure ways around these covert channels if
you want a more secure network.  However, the real problem
is that the firewall should be considered a separate model of
trust (terminology taken from RFC 2196), and should not rely
on the same underlying models of trust (two switches that create
the same network, and have access to those networks) for its
security.  Consider using four switches, and have the inside
vrrp on one pair, and the outside vrrp on the other pair.

It is my suggestion that you read the following sources of
information before architecting or designing network security
infrastructures:

http://www.auscert.org.au/Information/Auscert_info/Papers/Security_Domains.h
tml
http://www.ietf.org/rfc/rfc1135.txt
http://www.ietf.org/rfc/rfc2196.txt
http://www.ietf.org/internet-drafts/draft-dattathrani-tcp-ip-security-00.txt
http://www.watersprings.org/pub/id/draft-ietf-ipsec-secconf-00.txt
(apply the same concepts for configuring IPsec devices to any
secure host, network device, firewall, etc)
http://www.radium.ncsc.mil/tpep/library/rainbow/NCSC-TG-030.html

-dre




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CCIE Written Exam [7:58947]

2002-12-10 Thread Hang Chau
Hi, Anybody:

Who want to discuss the questions of CCIE Written Exam
with me? 



=
Hang Danny Chau

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501 reloading [7:58946]

2002-12-10 Thread MADMAN
Hi,

  Was wondering if anyone else out there has experienced PIX501 reloads
by barely doing more than looking xeyed at it!  The 501 I originally had
in the lab was easily reloaded, then yesterday it seemed to give up the
ghost so I RMAed it.  I got the new one and connected it to my PC on my
desk.  I grabed the PIX and tilted it some to see if I had a link light
and wammo, it reloaded.  Later I slid the PIX about 6 inches across my
desk to give me more elbow room and another reload.  I can too easily
make this box crash.  It doesn't loose power and there are no tracebacks
or anything it just restarts.

  To make a short story long has anyone seen this behaviour on their
PIX501.  If not can you try and reproduce it?  The engineer at Cisco who
RMAed my original PIX has not heard of this ocurring so maybe I'm just
lucky:(

  Thanks

  Dave
-- 
David Madland
CCIE# 2016
Sr. Network Engineer
Qwest Communications
612-664-3367

You don't make the poor richer by making the rich poorer. --Winston
Churchill




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Re: OT low cost DS3 router [7:58916]

2002-12-10 Thread dre
Peter van Oene  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
 At 07:47 PM 12/10/2002 +, jeff sicuranza wrote:
 What device would you use to terminate a DS3 to ethernet that
 is ultra low cost. I need to find a low cost, carrier type CPE
 that will take a DS3 and hand off eithernet. Low cost, low
 feature is the guiding word.

Cheapest DS3 (non-ATM), that I know of is a Cisco 2650XM
router (built-in 10/100 Ethernet) with a NM-1T3/E3.

The above should cost around $8200 from most vendors, plus
the cost of maint on the 2650 (~$300 for 8x5xNBD, ~$600 for
24x7x4).  That sounds to be fairly priced, especially considering
DS3's cost about that per month.

Another alternative would be from Seranoa (I believe it is more
expensive than the above solution), whom I saw demo a product
at NANOG 26 which offers DS3 interfaces on one side, and
VLAN-capable 10/100 Ethernet on the other side.
http://www.seranoa.com/products/products.html

If it were up to me, I'd go with the Cisco solution regardless of the
price point from other vendors.  I mean, you could price out a
Nortel Passport 5430 with 10/100 Ethernet and DS3, but I'm
positive you are looking at almost 10x the cost, if not more.

-dre




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Re: OT low cost DS3 router [7:58916]

2002-12-10 Thread Brian
I have never used one, but there are Linux solutions as well, its really
about what you are comfortable with.  I'd be willing to bet you could score
a used non vxr 7200 for a decent price via the
[EMAIL PROTECTED] mailing list or some other avenue.

Bri

- Original Message -
From: dre 
To: 
Sent: Tuesday, December 10, 2002 3:52 PM
Subject: Re: OT low cost DS3 router [7:58916]


 Peter van Oene  wrote in message
 [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
  At 07:47 PM 12/10/2002 +, jeff sicuranza wrote:
  What device would you use to terminate a DS3 to ethernet that
  is ultra low cost. I need to find a low cost, carrier type CPE
  that will take a DS3 and hand off eithernet. Low cost, low
  feature is the guiding word.

 Cheapest DS3 (non-ATM), that I know of is a Cisco 2650XM
 router (built-in 10/100 Ethernet) with a NM-1T3/E3.

 The above should cost around $8200 from most vendors, plus
 the cost of maint on the 2650 (~$300 for 8x5xNBD, ~$600 for
 24x7x4).  That sounds to be fairly priced, especially considering
 DS3's cost about that per month.

 Another alternative would be from Seranoa (I believe it is more
 expensive than the above solution), whom I saw demo a product
 at NANOG 26 which offers DS3 interfaces on one side, and
 VLAN-capable 10/100 Ethernet on the other side.
 http://www.seranoa.com/products/products.html

 If it were up to me, I'd go with the Cisco solution regardless of the
 price point from other vendors.  I mean, you could price out a
 Nortel Passport 5430 with 10/100 Ethernet and DS3, but I'm
 positive you are looking at almost 10x the cost, if not more.

 -dre




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RE: 501 reloading [7:58946]

2002-12-10 Thread Elijah Savage III
Dave,

Do not say yours gave up the ghost please do not say that LOL. Because
mine does the exact same thing I just put it in my rack and leave it
alone, anytime I have to recable my lab I turn it off because the
slightest move of a cable and it reboots, and I hate doing it because my
dsl line sometimes is hard to sync back up such an inconveyance. Now you
got me worried about how long is it going to be before mine goes out.

-Original Message-
From: MADMAN [mailto:[EMAIL PROTECTED]] 
Sent: Tuesday, December 10, 2002 6:42 PM
To: [EMAIL PROTECTED]
Subject: 501 reloading [7:58946]


Hi,

  Was wondering if anyone else out there has experienced PIX501 reloads
by barely doing more than looking xeyed at it!  The 501 I originally had
in the lab was easily reloaded, then yesterday it seemed to give up the
ghost so I RMAed it.  I got the new one and connected it to my PC on my
desk.  I grabed the PIX and tilted it some to see if I had a link light
and wammo, it reloaded.  Later I slid the PIX about 6 inches across my
desk to give me more elbow room and another reload.  I can too easily
make this box crash.  It doesn't loose power and there are no tracebacks
or anything it just restarts.

  To make a short story long has anyone seen this behaviour on their
PIX501.  If not can you try and reproduce it?  The engineer at Cisco who
RMAed my original PIX has not heard of this ocurring so maybe I'm just
lucky:(

  Thanks

  Dave
-- 
David Madland
CCIE# 2016
Sr. Network Engineer
Qwest Communications
612-664-3367

You don't make the poor richer by making the rich poorer. --Winston
Churchill




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RE: Please help: 2600 console lost [7:58889]

2002-12-10 Thread J M
I guess my first question would be how, after a few HOURS, there is no IP
address assigned and vty config? have you tried connecting from different
computers?


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local dialtone issues - redundancy case study [7:58952]

2002-12-10 Thread Adam Frederick
This is a proposed solution for local dialtone, to replace pool of copper
trunks :

Main site will be equiped w/ main PBX / Voice Mail / ACD system.  Coming into
main site will be 3 leased T1's from each branch office.  For local dialtone
@
the Main office, ISDN PRI is utilized.  Custom call routing is enabled.  At
each branch, there are currently 4 copper lines used as a pool for local
dialtone.

The proposed solution is replace each branches 4 copper lines w/ PRI for
caller id issues in the corporation.

Question to you guys:

How could you enable redundancy in this scenario?  Since PRI is a digital
signal what happens if there is power problems at the CO?  It's not like good
old analog lines I would assume.  Usually where I'm located, if your T1 is
down, so is your PRI, it's just the nature of the beast.  Anyone have
suggestions?  Comments?  There will be 1 analog line for 911.

Thanks

Adam




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RE: 501 reloading [7:58946]

2002-12-10 Thread Roberts, Larry
I have 2 501's that I have deployed with no problems as such...

(fingers crossed )

Could the power connection in the back be loose on the inside? It might be a
manufacturing problem?

Thanks

Larry
 

-Original Message-
From: Elijah Savage III [mailto:[EMAIL PROTECTED]] 
Sent: Tuesday, December 10, 2002 7:07 PM
To: [EMAIL PROTECTED]
Subject: RE: 501 reloading [7:58946]


Dave,

Do not say yours gave up the ghost please do not say that LOL. Because mine
does the exact same thing I just put it in my rack and leave it alone,
anytime I have to recable my lab I turn it off because the slightest move of
a cable and it reboots, and I hate doing it because my dsl line sometimes is
hard to sync back up such an inconveyance. Now you got me worried about how
long is it going to be before mine goes out.

-Original Message-
From: MADMAN [mailto:[EMAIL PROTECTED]] 
Sent: Tuesday, December 10, 2002 6:42 PM
To: [EMAIL PROTECTED]
Subject: 501 reloading [7:58946]


Hi,

  Was wondering if anyone else out there has experienced PIX501 reloads by
barely doing more than looking xeyed at it!  The 501 I originally had in the
lab was easily reloaded, then yesterday it seemed to give up the ghost so I
RMAed it.  I got the new one and connected it to my PC on my desk.  I grabed
the PIX and tilted it some to see if I had a link light and wammo, it
reloaded.  Later I slid the PIX about 6 inches across my desk to give me
more elbow room and another reload.  I can too easily make this box crash.
It doesn't loose power and there are no tracebacks or anything it just
restarts.

  To make a short story long has anyone seen this behaviour on their PIX501.
If not can you try and reproduce it?  The engineer at Cisco who RMAed my
original PIX has not heard of this ocurring so maybe I'm just lucky:(

  Thanks

  Dave
-- 
David Madland
CCIE# 2016
Sr. Network Engineer
Qwest Communications
612-664-3367

You don't make the poor richer by making the rich poorer. --Winston
Churchill




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RE: CCIE Written Exam [7:58947]

2002-12-10 Thread J M
send an email here. 

[EMAIL PROTECTED]


they will tell you what the questions are.


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Re: Please help: 2600 console lost [7:58889]

2002-12-10 Thread NKP
I had a similar problem on my 2610 , I bought a smartnet package and got the
box replaced from Cisco .

Navin Parwal


R M  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
 I've been working a few hours with a 2610 when suddenly, boom!!, I lost my
 console connection, now it doesn't respond to Ctrl-Break nor anything,
I've
 rebooted it several times but it doesn't shows any single character on
 HyperTerminal. Unfortunately, the equipment is running (almost) default
 configuration, so now I can't get in through Aux or Vty. My Aux port
respond
 but can't do much through it since no 'enable password' has been provided
by
 default, so can't get to privileged mode. Once the box is booted, it looks
 good, its eth and serial interfaces comes up, so it doesn't looks like a
 flash or IOS corruption problem.

 Do you guys have any clue why I'm suffering this?
 Any workaround to at least have privileged access through Aux??
 Maybe nvram got corrupted? there's any way to 'hard' reset nvram through
 internal jumpers??

 Thanks very much in advance,

 RM.




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Re: local dialtone issues - redundancy case study [7:58952]

2002-12-10 Thread Andrew Dorsett
On Wed, 11 Dec 2002, Adam Frederick wrote:

 How could you enable redundancy in this scenario?  Since PRI is a digital
 signal what happens if there is power problems at the CO?  It's not like
good
 old analog lines I would assume.  Usually where I'm located, if your T1 is
 down, so is your PRI, it's just the nature of the beast.  Anyone have
 suggestions?  Comments?  There will be 1 analog line for 911.

Well don't forget power issues also affects T1s that are channelized.
Even though your T is analog that doesn't mean it doesn't require
some non-teleco powered equipment to multiplex the lines to the T1.  PRI
has the same issues as T1s do.  For phone equipment they both require client
side powered devices to operate.  Granted a T1 does provide its on power
for the CPE breakout box, the equipment it untimately plugs into does
require power.  PRIs are the same and have the exact same issues.  I've
seen PRI provisioning described by many providers as running a PRI over a
T1 and just configure the 24th channel to provide the D channel (23B+1D).
Now what kind of redundancy are you looking for?  Power issues at the CO
are rare in the US since they generally have quite the battery and
generator setup.  Now if you are getting circuits off a SLC and not directly
from the CO
then you risk losing power at the teleco equipment and there is nothing
you can do about that without an emergency system powering the SLC.  This
has the same effect on analog circuits.  Regardless of if you have a PRI
a T1 or a standard analog phone line then if the CO or SLC loses power you
are just outta luck.  Most COs never lose power because its too costly in
SLAs
but it is really common for a SLC to lose power.  You just need to
negotiate your contract and try everything you can to attempt and have the
circuits ran from the CO and not a SLC without backup power.

At one of my employers we have an OC-3 smartring that provides all over
our PRIs for incoming dialups.  Granted its overkill for only a few PRIs but
we have enough to justify it.  And with the smartring service it is linked
to two seperate COs in two different cities.  I've seen it only have to
failover to the other teleco once and that was when there was a massive
cable cut and they managed to cut our fiber.  Our customers didn't notice
anything and we only noticed the light that was lit on the alarm box.

Andrew
---

http://www.andrewsworld.net/
ICQ: 2895251
Cisco Certified Network Associate

Learn from the mistakes of others. You won't live long enough to make all
of them yourself.




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OT: migration from CheckPoint to PIX firewall [7:58957]

2002-12-10 Thread eric nguyen
My company is looking to migrate from CheckPoint over to Pix Firewall in the
next

couple of months and I have been assigned to this project.  I have questions
about

Pix firewalls.   We are a small company, less than 50 people.  

a) Does pix firewall support QOS, traffic shaping or traffic
prioritization?  The

checkpoint firewall we are using has a feature called flood-gate that can 

prioritize both inbound and outbound traffic.  We would like to have this
feature

in Pix firewall as well.

b) Does pix support http load balancing?  Checkpoint has a feature that 

supports http load-balancing for inbound traffic.  We need this feature to
load

balance our web servers.  I would like to have this feature in pix as well. 
We

don't have the budget for dedicated load-balancer such as Cisco CSS.  Open

freeware is out of the question, will not fly pass management.

Can pix do those things above without additional hardware?

Regards,

Eric



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cisco voip - need help please [7:58958]

2002-12-10 Thread netspec
Hi there,

if there is anyone out there who can help me with a small project I am
working on that would be great.

I am trying to setup a callcentre lab at work and have a few
issues/questions if anyone can help.

The project is to route 5 toll-free numbers to a call center. There are 5
applications.

I am thinking of defining 5 Dialed Numbers to correspond to each Toll Free
Number and Define 5 Skill Groups for the call center agents.

Now I need to configure IP-IVR, ICM and Call Manager to work together to
complete the task.

(is anyone familiar with Cisco IPCC Lab Guide, should I use that as a
starting point)

1. The first question I have is that Do I Have to User IP-IVR? I guess I
have to otherwise there is no queuing capability.

2. If I have to use IP-IVR, what is the minimum configuration we need to do
provide the basic queuing?

3. Do I need to define a CTI Port for each Agent Phone?  What are
therequirements we need to do on CallManager , IVR and ICM.

4. What is the relationship among CTI Port Groups, CTI Ports ,  CTI Route
Points?

5. What is the exact process I need to do to configure the 6 or so trunks in
CallManager to route the 800's to the IP-IVR?

Thanks for all your help (unfortunately, I don't frequent the newsgroups
much and would appreciate it if any responses be emailed to

me at the address below)

Andrew - CCNA

[EMAIL PROTECTED]




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Cisco Work 2000 Manual user guide [7:58959]

2002-12-10 Thread Han Chuan Alex Ang
hi, Anybody have ideas on book or site that reveal good information on how
to install, configure and use Cisco Work 2000,  thanks


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why lose connection after apply IDS on PIX [7:58960]

2002-12-10 Thread Kenny Smith
HI... Dear Friends,

I want to implement IDS on my PIX outside interface which facing internet. 
So that I can get alarm for external attack. Below is my interface config 
and global ip audit name config

nameif ethernet0 outside security0
nameif ethernet1 inside security100

ip audit name outside-info info action alarm drop
ip audit name outside-attack attack action alarm drop

But I apply it on my outside interface as shown below..I immediately lose 
connection with outside.  Can't ping and connect to external network? Why?

PIX(config)#ip audit interface outside outside-info
PIX(config)#ip audit interface outside outside-attack

Thanks a lot





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RE: IP to ATM QoS [7:58784]

2002-12-10 Thread Ivan Yip
Hi,

In fact, the packet classification/marking was made in CPE side. The voice
paket will have IP precedence 5 while normal packet will have default value
(precedence 0).

The network setup is a trial to test the impact of WRED. As I read through
cisco documentation about IP-to-ATM CoS, it covers WRED, WFQ or CLP to
deploy Per-PVC QoS. However, if I applied WRED, WFQ to the PVC, this will
make the PVC performance drops.

My target is to deploy PER-ATM PVC QoS. If the ATM PVC was congested, it
will let the mission-critical traffic pass through first... Hopefuly if you
have any alternative solution? Or any idea how to test this feature?

The equipment I got in hand is two 7206 routers.

rgds,
LoChing




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RE: Alittle off topic [7:58917]

2002-12-10 Thread John Cianfarani
I recommend Unix System Admin 3rd Edition.

This is one of the best Unix I've seen, it covers both a theorically
approach and the practical.  I like it much better than the O'Reilly
Unix book.  It's a little expensive but worth every penny.  
It covers almost every topic you can think of and does so across several
unix flavors, those being Solaris, HP UX, Free BSD, and Red Hat.

Here is an amazon link
http://www.amazon.com/exec/obidos/tg/detail/-/0130206016/qid=1039576592/
sr=1-12/ref=sr_1_12/002-1575743-2448823?v=glances=books

John

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of
Fernandez, Tim
Sent: Tuesday, December 10, 2002 2:49 PM
To: [EMAIL PROTECTED]
Subject: RE: Alittle off topic [7:58917]

Hi everybody.  Anyone have an opinion on a good beginning book on Unix?
Thanks,

Tim.




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RE: Please help: 2600 console lost [7:58889]

2002-12-10 Thread John Cianfarani
Well if you had set any write snmp community strings you could try an
upload a config into the router that would allow you to get in via the
vty.

John


-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] 
Sent: Tuesday, December 10, 2002 10:58 AM
To: [EMAIL PROTECTED]
Subject: Please help: 2600 console lost [7:58889]

I've been working a few hours with a 2610 when suddenly, boom!!, I lost
my
console connection, now it doesn't respond to Ctrl-Break nor anything,
I've
rebooted it several times but it doesn't shows any single character on
HyperTerminal. Unfortunately, the equipment is running (almost) default
configuration, so now I can't get in through Aux or Vty. My Aux port
respond
but can't do much through it since no 'enable password' has been
provided by
default, so can't get to privileged mode. Once the box is booted, it
looks
good, its eth and serial interfaces comes up, so it doesn't looks like a
flash or IOS corruption problem.

Do you guys have any clue why I'm suffering this?
Any workaround to at least have privileged access through Aux??
Maybe nvram got corrupted? there's any way to 'hard' reset nvram through
internal jumpers??

Thanks very much in advance,

RM.




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FR switch QoS [7:58964]

2002-12-10 Thread Ivan Yip
Hi All,

Anyone have experience/idea to deploy QoS on FR switch (Cisco router
configured as FR switch)? I have 2 DLCI configured on serial interface and
want to have ONE DLCI,eg, DLCI 200 have higher priority when the link
congested. Attached the configuration summary for reference.

interface Serial6/1/2:0
 no ip address
 encapsulation frame-relay IETF
 no fair-queue
 frame-relay traffic-shaping
 frame-relay interface-dlci 200 switched
  class shape1536k
 frame-relay interface-dlci 21 switched
  class shape1536k
 frame-relay lmi-type ansi
 frame-relay intf-type dce
 frame-relay policing

map-class frame-relay shape1536k
  no frame-relay adaptive-shaping
  frame-relay cir 1536000
  frame-relay bc 1536000
  frame-relay be 0

TIA

rgds,
ivan


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Cisco Unity Exam 9E0-805 [7:58965]

2002-12-10 Thread Rosss Renault
What's some really good study material for anyone that has taken and
passed this exam. To get a feel for the exam I took it and scored a 533 (727
required). Not too bad for a person that's never even looked at any study
material. I'm an MCSE 2000 with Exchange 2000 which really helped.


Thanks!


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RE: Cisco Unity Prerequisites [7:58593]

2002-12-10 Thread Rosss Renault
Bruce,

Your right because this past weekend I took the exam without ever
looking at any study material and scored a 533. I'm an MSCE 2000 with
Exchange 2000 elective.  I'm assuming you've passed the exam, what's
some good study material to use.


Thanks!


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RE: BCRAN or BSCI or both? [7:58942]

2002-12-10 Thread ccnp ccnp2002
Hi,

I am in the same situation - except that I did BSCN and BCRAN, and I am
considering the remaining two.

I would suggest that you just continue without delay - keep the momentum, so
to speak.

Which one first? BSCI is a lot more difficult than BCRAN. I would suggest
you do BSCI first, as it will really make it easy to do BCRAN...but do you
mean you have already done Support?

Good Luck!


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