Re: OT : Cisco Switch 3750-X High CPU Utilisation

From: S Malik <ccie.09_at_gmail.com>
Date: Tue, 20 Dec 2011 13:20:38 -0500

Same situation here. I have a non POE switch running "Version 12.2(55)SE3"
and CPU is normal.

Others are POE capable switches with "Version 12.2(53)SE2" have high cpu.

!
Malik

On Tue, Dec 20, 2011 at 12:51 PM, Joe Astorino <joeastorino1982_at_gmail.com>wrote:

> I have experienced the exact same issue. TAC will tell you this is totally
> normal. As much as I hate it as well, it is a known thing and according to
> TAC is not a problem...now, try making a configuration change, hitting
> ctrl-z or "end" then writing mem....it will take a dump and tell you it
> cannot read the configuration. You actually have to WAIT like 10 seconds
> or more after making any change to write the configuration. They are also
> extremely sluggish when doing "sh run" or anything of that sort.
>
> On Tue, Dec 20, 2011 at 5:13 AM, Bilal Hansrod <bilal.hansrod_at_gmail.com
> >wrote:
>
> > Hi,
> >
> > Hi,
> >
> > I have noticed that on Cisco 3750-X switch the processor utilisation is
> > very high. It normally sits on 35% even when traffic is not passing via
> > switch. I was able to find out that Hulc LED Process is consuming almost
> > 20% of utilisation every 5second. I found out a bug on IOS 15.0(1) is the
> > root cause, so I downgraded to 12.2 and it seems the problem still
> persist.
> > It is identified as IOS bug that checks the status of port LED, fan and
> > etc.; however, downgrade didn't help.
> >
> > Can anyone please advise if they have seen similar problem and
> resolution?
> >
> > Anyone's help will be highly appreciated.
> >
> > Thanks,
> >
> > Bilal Hansrod
> >
> >
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> >
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>
>
> --
> Regards,
>
> Joe Astorino
> CCIE #24347
> Blog: http://astorinonetworks.com
>
> "He not busy being born is busy dying" - Dylan
>
>
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>
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Received on Tue Dec 20 2011 - 13:20:38 ART

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