[c-nsp] ip rib update process hogging CPU on 12.4.7d

[Rodney Dunn]

Look at 'sh ip route | incl 00:00' and see how much route
churn you are seeing.

And/or watch 'sh ip cef events new' a couple times.

Rodney

On Mon, Jun 02, 2008 at 09:27:03AM +0200, Nic Tjirkalli wrote:
> 
> howdy ho,
> 
> Over the last few days, we have noticed that the IP RIB Update is
> consuming a large amount of CPU cycles on 2 CISCO 7500 routers running 
> 12.4.7d.
> 
> We have several other CISCO 7500 routers taht receieve the same amount of
> BGP updates as the 2 with issues, but these routers are runninga  variety
> of 12.3 images and appear to be happy - no CPU hog caused by IP RIB Update
> process. All the 7500s are receieving a full BGP table.
> 
> CISCO bug tnavigator has no mention of an IP RIB Update bug in 12.4
> images.
> 
> was wondering if anybody else had observed similar behaviour.
> 
> thanx for your time and any feedback.
> 
> 
> 
> ---------------------------------------------------------------------
> Alas poor Tagline! I knew it well...
> 
> Nic Tjirkalli
> Verizon Business South Africa
> Network Strategy Team
> 
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