[afnog] High CPU Utilization Problem on 2-Stacked Cisco Switches.

[Mark Tinka]

On Tuesday, October 19, 2010 12:58:59 am Michael Komla 
Nfodzo wrote:

> Hi Folks,

> The process(HLFM address ret)  is causing High CPU
> utilization problem on my 2-stacked switches and is
> highlighted in yellow below.  As you can see, the
> interrupt (traffic load) is 1%

> SWITCH#sh processes cpu sorted
> 
> CPU utilization for five seconds: 73%/1%; one minute:
> 75%; five minutes: 75%
> 
>  PID Runtime(ms)   Invoked      uSecs   5Sec   1Min  
> 5Min TTY Process
> 
>   79   108148177  18204966       5940 40.50% 39.73%
> 40.06%   0 HLFM address ret
> 
>   77    49170833  18188441       2703 11.96% 12.04%
> 11.80%   0 HLFM address lea
> 
>  210    91092894  92627097        983 11.32% 12.28%
> 12.16%   0 Spanning Tree

You seem to be spinning major CPU cycles on the top 3 as 
well.

What SDM template are you running?

What do the following say:

	sh platform tcam utilization
	sh ip arp sum
	sh mac address-table count | i Space
	sh ver

Cheers,

Mark.
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