From: diptish doshi (diptish.doshi@gmail.com)
Date: Thu Oct 23 2008 - 23:55:12 ARST
Hi all ,
I'm trying to form LDP neighborship between 2 cisco 7200 with CCIE lab
recommended image ( c7200-k91p-mz.122-25.S15.bin )
But i see the neighbors flapping continously at interval of 3 minutes ,
though the ospf neighborship across the link remains stable .
The configurations on both the interfaces are :
R1:
interface Serial2/0.1 point-to-point
ip vrf forwarding AS1
ip address 150.1.12.2 255.255.255.0
mpls ip
frame-relay interface-dlci 201
end
R2:
interface Serial2/0.1 point-to-point
ip address 150.1.12.1 255.255.255.0
mpls ip
frame-relay interface-dlci 102
end
The console logs :
-----------------------
*Oct 22 06:04:31.797: %LDP-5-NBRCHG: LDP Neighbor 150.1.1.1:0 is DOWN
*Oct 22 06:04:38.625: %LDP-5-NBRCHG: LDP Neighbor 150.1.1.1:0 is UP
*Oct 22 06:07:38.621: %LDP-5-NBRCHG: LDP Neighbor 150.1.1.1:0 is DOWN
*Oct 22 06:07:48.769: %LDP-5-NBRCHG: LDP Neighbor 150.1.1.1:0 is UP
*Oct 22 06:10:48.769: %LDP-5-NBRCHG: LDP Neighbor 150.1.1.1:0 is DOWN
*Oct 22 06:11:02.253: %LDP-5-NBRCHG: LDP Neighbor 150.1.1.1:0 is UP
*Oct 22 06:14:02.253: %LDP-5-NBRCHG: LDP Neighbor 150.1.1.1:0 is DOWN
*Oct 22 06:14:10.885: %LDP-5-NBRCHG: LDP Neighbor 150.1.1.1:0 is UP
*Oct 22 06:17:10.885: %LDP-5-NBRCHG: LDP Neighbor 150.1.1.1:0 is DOWN
*Oct 22 06:17:21.589: %LDP-5-NBRCHG: LDP Neighbor 150.1.1.1:0 is UP
I'm think it should be a software image bug .... as when i replaced this
12.2S image with another 12.0S image .... the LDP neighborship was stable
...
Also similar configuration acros
Has anyone come across this issue ... do u have any suggested image to take
care of this issue ....??? or please let me know if u have any other
solution to make it work with a 12.2S image ... ....
Appreciate ur comments on this ...
thanx,
diptish.
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