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

[Nic Tjirkalli]

howdy ho,

Moving to IOS version 12.4(21) eliminates this rib update CPOU hog and
amazingly the router has more free memory - even with more routes in the
BGP table

later


>
> 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
>
> Verizon Business is a brand of Verizon South Africa (Pty) Ltd. This e-mail
> is strictly confidential and intended only for use by the addressee unless
> otherwise indicated.
>
> Company Information:http:// www.verizonbusiness.com/za/contact/legal/
>
> This e-mail is strictly confidential and intended only for use by the
> addressee unless otherwise indicated.
>
>


---------------------------------------------------------------------
There are no facts, only opinions.

Nic Tjirkalli
Verizon Business South Africa
Network Strategy Team

Verizon Business is a brand of Verizon South Africa (Pty) Ltd. This e-mail
is strictly confidential and intended only for use by the addressee unless
otherwise indicated.

Company Information : http://www.verizonbusiness.com/za/contact/legal/

This e-mail is strictly confidential and intended only for use by the
addressee unless otherwise indicated.