Thursday, April 25, 2019

High CPU spikes on HP 2920(J9728A) stack

We've been having some trouble with our HP 2920 switch stack throwing up high CPU utilization throughout the day, so I'm hoping someone here can help. CPU on the Commander spikes up to 70-80% consistently, then falls back down to 4-10%.

show cpu displays the following results:

% CPU | Description

-------+--------------------------

27.0 | Idle

4.3 | Sessions & I/O

3.5 | Hardware Mgmt

1.4 | System Services

36.2 | HTTP

27.0 | IPsec

0.5 | TFTP

Firmware is WB 16.08.0002 which is the latest from HP's website. I've tried updating the firmware, rolling back the firmware to 15.11, and removing SNMP. Any assistance would be appreciated, thanks.



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