[cisco-nas] high cpu utilisation on 7200

[Richard Greasley]

Hello,
Thanks for the advice. I shall do them and let you know how it all goes.
NPE = NPE300 Revision D
regards,
Richardg;
----- Original Message ----- 
From: "Mark Pace Balzan" <mpb at melitacable.com>
To: "Richard Greasley" <richardg at blue-stream.net>; "Kevin Graham"
<mahargk at gmail.com>
Cc: <cisco-nas at puck.nether.net>
Sent: Sunday, September 05, 2004 4:11 PM
Subject: Re: [cisco-nas] high cpu utilisation on 7200


> check other interfaces and remove route-maps over there also if not
> necessary.
>
> do check the packets traversing the box, as they do look small and this
> contributes to higher cpu.
>
> also if youre using access-lists, use turbo acls (access-list compiled)
> these give much better performance.
> ensure cef is switched on (or make sure that you are not process switching
> too much), and that should be another cpu win.
>
> ps what npe is running on this box ?
>
>
> Mark
>
>
> ----- Original Message ----- 
> From: "Richard Greasley" <richardg at blue-stream.net>
> To: "Kevin Graham" <mahargk at gmail.com>
> Cc: <cisco-nas at puck.nether.net>
> Sent: Sunday, September 05, 2004 9:01 PM
> Subject: Re: [cisco-nas] high cpu utilisation on 7200
>
>
>> The routemap at the time was needed, since then the network has changed
> and
>> it doesn't anymore (hail BGP).
>> The small packets may be due to the fact that there are about 6 game
> servers
>> running on that network.
>>
>> Thanks & regards,
>> Richardg;
>> ----- Original Message ----- 
>> From: "Kevin Graham" <mahargk at gmail.com>
>> To: "Richard Greasley" <richardg at blue-stream.net>
>> Cc: <cisco-nas at puck.nether.net>
>> Sent: Sunday, September 05, 2004 1:55 PM
>> Subject: Re: [cisco-nas] high cpu utilisation on 7200
>>
>>
>> > > CPU utilization for five seconds: 84%/83%; one minute: 80%; five
>> >
>> > Well, its all interrupt-switched traffic, so the usage is atleast good
>> > (i.e. not getting lots of punts).
>> >
>> > >   5 minute input rate 34427000 bits/sec, 43016 packets/sec
>> > >   5 minute output rate 34863000 bits/sec, 43012 packets/sec
>> >
>> > Those are some awfully small packets... Would definately check into
>> > what the traffic is to see if you're getting hit with worm traffic...
>> >
>> > > interface FastEthernet0/0
>> >
>> > >  ip policy route-map totaltemp
>> > [...]
>> > >  duplex full
>> >
>> > Do you actually need that policy routing? Dropping that should help out
>> some.
>>
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>