[c-nsp] 3550 High CPU - nothing in proc cpu

Matlock, Kenneth L MatlockK at exempla.org
Tue Nov 24 10:03:57 EST 2009


Heh ,or the old ACC boxes (I think the Danube), where the original
design was to not have ANY front-panel LEDs. The 'managers' didn't like
that, so all they did was create a simple oscillator circuit that
blinked an LED.

The LED has NO correlation to the real status of the chassis. The
chassis can be locked up solid, and that LED will continue blinking
merrily.

Ken Matlock
Network Analyst
Exempla Healthcare
(303) 467-4671
matlockk at exempla.org



-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
sthaug at nethelp.no
Sent: Monday, November 23, 2009 1:45 AM
To: gert at greenie.muc.de
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] 3550 High CPU - nothing in proc cpu

> Normally, hardware-forwarding boxes should never show significant CPU 
> load.

With the exception of the old 3500XL series using 50% or more of the
CPU to drive the front panel LEDs :-)

(Yes, I know, EoL years ago...)

Steinar Haug, Nethelp consulting, sthaug at nethelp.no
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