[c-nsp] High CPU due to BGP Router process after changing BGPneighbor descriptions

[james edwards]

***Why*** does changing the ***description*** of the BGP peers make the
router
re-calc/flush all it's routes ?


<rant>
>
> Perhaps not the best forum for this, but..
>
> Why is it the cisco has code for BGP what is horrendously inefficient, in
> terms of CPU utilization? 7200's and 7500's and 6500's regularly sit at 7
> to 15% CPU simply handing BGP Scanner with only one full peer?
>
> How is it that other vendors don't have this problem? What is so
> fundamentally different in IOS than that of JunOS or whatever? A Juniper
> RE-333 can handle routing updates with ease, yet the RISC's in the cisco's
> regularly keel over. I've seen 6500's with two full views take upwards of
> 15 minutes to fully converge.
>
> I am not cisco bashing -- I am just looking for an answer.
>
> </rant>
>
>
> -- 
> Alex Rubenstein, AR97, K2AHR, alex at nac.net, latency, Al Reuben
> Net Access Corporation, 800-NET-ME-36, http://www.nac.net