[c-nsp] 3750 stack(2 switches) - High CPU for an hour?

[Mike Hale]

We've seen the SNMP issue that Adam mentioned as well.  We got it
resolved by upgrading the firmware to a non...er, less-buggy version.

On Mon, Dec 1, 2014 at 4:27 PM, Adam Baxter <adam1984 at gmail.com> wrote:
> We have seen high CPU Caused by SNMP.. we have implemented a view that
> helped. viewing the flash and license mib causes problems.
>
> snmp-server view protect iso included
> snmp-server view protect ciscoLicenseMgmtMIB excluded
> snmp-server view protect ciscoFlashFileEntry excluded
>
> snmp-server community public view protect RO
>
> also, it might be worth implementing storm control on the client facing
> switchports.
>
> On 1 December 2014 at 19:21, CiscoNSP List <cisconsp_list at hotmail.com>
> wrote:
>
>> Hi Everyone,
>>
>> Strange situation on the weekend...started losing OSPF adjacencies to
>> devices connected to(through) a 3750 stack (The 3750 is only doing L2, so
>> routers connected together via the 3750)...It lasted ~1 hour (Happened
>> while I was on a plane, so the only info I have are logs and snmp
>> graphs)....CPU hit ~85%, traffic on all ports was "normal", PPS was
>> "normal", switch didnt reboot and nothing at all in the logs....If the
>> switch got hit with a mac flood or loop, I would have thought it would have
>> a logged "something"?
>>
>> Any suggestions on what else could have caused this?
>>
>> Cheers.
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