[c-nsp] Packet Loss During the Backbone Network Converge

[Xu Hu]

Already double confirmed with Cisco tac, the routing should be no issue. Not sure is it possible caused by the physical hardware. The 7600 using ws-6700 line card.

Thanks and regards,
Xu Hu

On 27 Jul, 2012, at 21:06, "Oliver Boehmer (oboehmer)" <oboehmer at cisco.com> wrote:

> 
>> Using the hello-interval 1, dead-interval 4.
>> 
>> 7600 using fast-hello, but asr9000 cannot support, that's why using the 1
>> &4.
> 
> you should use BFD instead..
> 
> but about the issue: You stated that PE4 is not in the traffic path, but PE4 failure is still causing packet loss, then I guess you want to check if PE4 is really not in the path? How long does it take until traffic continues? Is it msecs or seconds? 
> This requires close troubleshooting, "debug ip routing" on all routers would be a first start (with debug timestamps and sync'ed clocks).
> 
>    oli