[c-nsp] Strange behaviour with 6509

David Sinn dsinn at dsinn.com
Tue Feb 14 12:55:07 EST 2006


"show proc cpu" is telling you the load of the MSFC in your 6500.  
Having a low utilization is a good thing, since it means that the 
hardware is moving your packets.

The problem is that there is no good way to see the total utilization 
of your PFC's and DFC's.  A "sho mls stat" will give you the PPS rate 
for L3 forward packets, but not L2 switched packets.  Also it won't 
give you the relative utilization, so you would have to calculate that 
relative to the performance ability of the PFC/DFC you are using.

David

On Feb 14, 2006, at 6:08 AM, Ahmad Cheikh Moussa wrote:

> Hi!
>
> Church, Chuck wrote:
>> What's the round trip time in ms between your machine and the FTP 
>> server?  Sounds a lot like your RTT is limiting your TCP session due 
>> to windowing and waiting for ACKs.
>>
> Thanks alot for all replies. We make now some tests with the tcp window
> size. I have another question. Is there a way to check the load of the
> msfc card  ?  The 6509 is our intervlan router, with show proc cpu, I
> can't see any load. Is there another way to measure the load of the 
> msfc
> card ? Our 6509 switch runs with IOS.
>
> Regards,
>   ahmad
>
>
>
>
> -- 
> Ahmad Cheikh-Moussa
> NetUSE AG
> Dr.-Hell-Straße, 24107 Kiel, Germany
> Telefon: +49 431 2390 400 --  Telefax: +49 431 2390 499
> Service: Service at NetUSE.DE --  http://NetUSE.DE/
>
>
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