nanog mailing list archives

Re: High Processor Rates on Routers.


From: Rafi Sadowsky <rafi-nanog () meron openu ac il>
Date: Thu, 7 Nov 2002 03:01:20 +0200 (IST)



## On 2002-11-06 15:54 -0000 Chris Roberts typed:

CR> 
CR> 
CR> BGP can cause a lot of processor utilisation when updates are received,
CR> although this is not normally at accurate 30 second intervals, so I
CR> wouldn't suspect this particularly.
CR> 
 
 I've seen this happen with OSPF routes flapping(due to a flapping
interface) causing the BGP next-hop to flap - the OSPF didn't seem to be
the culprit as it only had ~150 routes while BGP had ~110K routes
(mostly iBGP)


-- 
        Rafi


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