Re: [nsp] Intergrated routing/bridging

From: Alexandre Snarskii (snar@paranoia.ru)
Date: Wed Apr 24 2002 - 11:46:31 EDT


On Wed, Apr 24, 2002 at 06:09:20PM +0300, Vladimir Litovka wrote:
> On Wed, 24 Apr 2002, Richard Gallagher wrote:
>
> > BVI now has CEF support since 12.2(4) and 12.2(4)T
>
> So why CPU load is quite high when using IRB? And it's mainly IP Input:
>
> CPU utilization for five seconds: 93%/79%; one minute: 92%; five minutes: 93%
                                    ^^^^^^^^

> PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
> [ ... ]
> 43 787112 489720 1607 10.05% 10.26% 9.57% 0 IP Input

It's not mainly IP Input, but interrupt-level processing
(79% from cpu load).

As from my point of view, you should analyse output of
'show in stat' command, to find which interface is
mostly process-switched.

-- 
Alexander Snarskii
the source code is included.



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