Abnormal high CPU utilization on stack

[Ilya_Semenov]

Hello, everybody!

I have a stack of 2x460 and 6x440 1st generation summits (8 switches total). The problem is every morning at exactly same time I get the message from snmp (please, see the attached file).

I've noticed also, that there is constantly high CPU utilization from 20 to approximately 50% regardless of the day time. The EXOS version is 15.7.4.2.

Please, share your ideas about reasons why it happening.

Many thanks in advance,

Ilya

[BrandonC]

The SNMP timeout may be due to the high CPU on the switch.

Is the cliMaster process always the one that is highest?

You can check if there are any CLI sessions hung on the stack with the command 'show session'.

Also, I would take a look at the logs on the switch to see if anything interesting stands out.

-Brandon