[c-nsp] 7600 RSP720 SRD4 bgp bounce triggers cpu exhaustion

[Steven Raymond]

On Nov 2, 2011, at 1:56 PM, Mack McBride wrote:

> I am having the same problem and have a case open with Cisco.
> We use the 7600s as route reflectors to a number of neighbors (20+).
> BGP is a high priority process and the number of packets exchanged is huge (100K?).
> Of course they all have to get assembled in the input queue before they get processed.
> We are seeing the same types of issues and have done some packet captures and event logs.
> We have also seen this on the GSR platform running 12.0(33) code.
> We aren't seeing the Input process spike but we are seeing the BGP process eat the CPUs lunch.

AM definitely expecting BGP to consume a lot of cpu and make the CLI sluggish.  I do not however expect the IGP to drop, HSRP to flop, and the rest of the network become basically tipped over.  What IOS version do you have the case open on for the 7600s?

Thanks!