[nsp] Cisco 2500 Traffic Limit and high cpu utilization.

Mehmet Ali Suzen msuzen at mail.north-cyprus.net
Wed Mar 17 02:59:34 EST 2004


On Wed, Mar 17, 2004 at 09:02:45AM +0200, Saku Ytti wrote:
> On (2004-03-17 08:53 +0200), Mehmet Ali Suzen wrote:
> 
> > CPU utilization for five seconds: 81%/39%; one minute: 77%; five minutes: 79%
> > router1#show proc cpu | include IP Input
> >   21   362809868  30390192      11938 28.04% 26.10% 25.32%   0 IP Input
> 
> I assume you have CEF on in all interfaces? If so, do you have
> much process switched packets? 'sh cef not-cef-switched' als
> 'sh interface switching'
> 
> -- 
>   ++ytti

Strange enough I can not run ip cef. When ever I enable it, 
our www trafic stops functioning.  In conf term: ip cef
and then
i.e.
[root at mehmet ]# lynx www.cisco.com
 
Looking up www.cisco.com first
Looking up www.cisco.com
www.cisco.com
Making HTTP connection to www.cisco.com
Sending HTTP request.
HTTP request sent; waiting for response.
Retrying as HTTP0 request.
Looking up www.cisco.com
www.cisco.com
Making HTTP connection to www.cisco.com
Sending HTTP request.
HTTP request sent; waiting for response.
Alert!: Unexpected network read error; connection aborted.
Can't Access `http://www.cisco.com/'
Alert!: Unable to access document.
 
lynx: Can't access startfile


Any idea?

-Mehmet


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