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

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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