Take a look at the following page, it may help you track down the problem.
http://www.cisco.com/warp/public/63/highcpu.html
Rich
--
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# Cisco Systems | Richard Gallagher | Office: +32 2 704 5000 #
# Euro-CATS | [EMAIL PROTECTED] | Direct: +32 2 704 5421 #
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"Normal people believe that if it ain't broke, don't fix it. Engineers
believe that if it ain't broke, it doesn't have enough features yet."
On Jan 27, 4:28am, Hugh Pringle wrote:
> Subject: Re: Strange Router CPU Utilisation
> Try doing a sh processes cpu whil the high utilization occurs. This may add
> some insight to what is causing the high utilization. I ahve seen a
> misconfigured SNMP server cause a situation similar to this.
>
> Hugh Pringle CCNA, CCDA
>
>
> ""Deloso, Elmer G (WPNSTA Yorktown)"" <[EMAIL PROTECTED]> wrote in
> message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > Hello, gang.
> > I'd like to know if anyone has seen this behaviour of a 4505 (v.11.2)
> where
> > it is able to handle heavy traffic throughout the day with no more than a
> > 50% cpu utilisation max but shows a few periods of spikes up to 98% when
> > there is no WAN traffic say 4am or 9pm. These spikes show up as "outgoing"
> > traffic which lasts ~15 to 20 mins on MRTG chart. Nothing shows up on the
> > syslogs. I once tried sniffer before the router "crashed" and all i saw
> was
> > a build up of ICMP and "other" packets. My guess is this is because the
> > router is not responding to client requests thus it keeps getting a barage
> > of "ICMP". This only shows up on the ethernet ports, i.e. coming in from
> e0,
> > out e1 in reference to MRTG.
> > Any ideas would help. Thanks.
> >
> > Elmer Deloso
> >
> > _________________________________
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>
>
> _________________________________
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>-- End of excerpt from Hugh Pringle
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