[cisco-nas] high cpu utilisation on 7200

[Mark Pace Balzan]

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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