Re: OT:Why so high CPU utilization

From: Jay Hennigan (jay@xxxxxxxx)
Date: Tue Dec 25 2001 - 00:38:26 GMT-3


   
On Tue, 25 Dec 2001, Dreams Ruan wrote:

> Hello,Everyone:
>
> I have a question about router's cpu utilization.My company's router
> is 2621,used a FE and a Serial port.The data flow about 1.1M/s per port,
> and the packet flow about 2800 packets/s per port,but the router's cpu
> utilization is 95%!!! I changed a router from 2621 to AS5300,the AS5300's
> cpu utilization is 23-35%.The data flow not so high,but Why so high cpu
> utilization? The router used static route,no others protocol.

Do you have "no ip route-cache" in your config on either interface?

Any debugging turned on?

Try "show interface switching" and see if the majority of your traffic
is being process-switched for any reason.

"Show process cpu" will give an indication as to what is going on as well.

--
Jay Hennigan - CCIE #7880 - Network Administration - jay@west.net
NetLojix Communications, Inc.  -  http://www.netlojix.com/
WestNet:  Connecting you to the planet.  805 884-6323


This archive was generated by hypermail 2.1.4 : Thu Jun 13 2002 - 10:32:47 GMT-3