RE: ATM Back-to-Back Config

From: Tony Schaffran (groupstudy@cconlinelabs.com)
Date: Wed Jul 07 2004 - 20:08:34 GMT-3


I believe you need a T1 cross-over cable.

1,2,4, and 5

Tony Schaffran
Network Analyst
CCIE #11071
CCNP, CCNA, CCDA,
NNCDS, NNCSS, CNE, MCSE
 
www.cconlinelabs.com
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-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Jose
Mujica
Sent: Wednesday, July 07, 2004 12:47 PM
To: ccielab@groupstudy.com
Subject: ATM Back-to-Back Config

HI.

 I have two 2600 routers each with an NM-1ATM-25 atm card. I would like to
do
a back-to-back configuration but the interface still down, down. I look at
CCO
sample configs and I'm using exactly the same configuration without any
luck.

I'm using 12.2(15)T12 on both routers... Here the configuration I'm using:

R1:

interface ATM1/0
 ip address 192.168.1.20 255.255.255.0
 map-group atm-in
 atm clock INTERNAL
 atm pvc 1 1 5 aal5snap
 atm ilmi-keepalive
 no atm address-registration
!
map-list atm-in
 ip 192.168.1.10 atm-vc 1 broadcast
!

R2:

interface ATM1/0
 ip address 192.168.1.10 255.255.255.0
 map-group atm-in
 atm clock INTERNAL
 atm pvc 1 1 5 aal5snap
 atm ilmi-keepalive
!
map-list atm-in
 ip 192.168.1.20 atm-vc 1 broadcast
!

I tried with standard ethernet cables (i.e. straight and cross cables)..

Am I missing something else?

Thanks in advanced,
-Jose



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