From: Christopher M. Heffner (cheffner@xxxxxxxxxxxxxxxxxx)
Date: Sat Mar 03 2001 - 00:05:05 GMT-3
Hay Guys:
Trying to get atm up and running back-to-back. I have it
working between a 3640 and a 2621. Now trying the same thing between
two 4500 routers. Once ATM interface is listed as up/up but the other
is listed as down/down. That confuses me right off the bat since they
are wired back to back. How can one side of the same link be up/up and
the other side be down/down?
Here is the interface configurations for both routers. Can you see
anything wrong?
R4500-1#sh run int atm 0
Building configuration...
Current configuration : 169 bytes
!
interface ATM0
ip address 132.2.66.2 255.255.255.0
map-group pvc-4500
atm clock INTERNAL
atm pvc 1 0 5 qsaal
atm pvc 2 0 300 aal5snap
no atm ilmi-keepalive
end
R4500-2#sh run inter atm 0
Building configuration...
Current configuration : 149 bytes
!
interface ATM0
ip address 132.2.66.1 255.255.255.0
map-group pvc-4500
atm pvc 1 0 5 qsaal
atm pvc 2 0 300 aal5snap
no atm ilmi-keepalive
end
The atm pvc 1 0 5 qsaal should not be needed. I am not running it on
the 3640/2621 combination but I thought I would try it just to see if it
would make a difference. It did not.
Thanks,
Chris
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