Increased load CPU

[slandeira]

Hi,

Since I've changed my version, the router CPU load has increased dramatically. I didn't  change configuration. You can see a graph, the date of the increase is that of the upgrade.
I guess it's a bug in the version but I don't find none that would justify this. Can someone help?

Router: 7200
IOS Version: 12.2(33)SRD3

Thank you.

[Sergei Vasilenko]

Hello,

In general, it could be many reasons for higher cpu load, then it was before.

Not necessarily it is a bug...
From the graph the max so far was 51%, which is actually still not that high to worry.
Anyway, to better understand the reasons/root cause,
firstly it is required to check, does the load come mostly at Processes or Interrupts level.

Here are couple usefull CCO links to start with:

Troubleshooting High CPU Utilization on Cisco Routers
http://www.cisco.com/en/US/products/hw/routers/ps133/products_tech_note09186a00800a70f2.shtml

Troubleshooting High CPU Utilization Due to Interrupts
http://www.cisco.com/en/US/products/hw/routers/ps359/products_tech_note09186a00801c2af0.shtml

Thanks,
Sergey