Cisco router 3900 high CPU utilization

[mjrosana02]

Hi,

Any idea regarding  the bug that we're hitting? CPU process is 99% and its causing a downtime on our network.

IOS version: c3900-universalk9-mz.SPA.152-3.T1.bin

#sh proc cpu sorted | ex 0.00
CPU utilization for five seconds: 99%/98%; one minute: 99%; five minutes: 99%
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
2 23258444 6062854 3836 0.79% 1.22% 1.22% 0 Load Meter
106 248749408 120352429 2066 0.15% 0.14% 0.15% 0 Netclock Backgro
6 80266504 5803708 13830 0.07% 0.05% 0.05% 0 Check heaps
87 184062348 30403538 6053 0.07% 0.11% 0.13% 0 Per-Second Jobs
170 22762448 123575031 184 0.07% 0.05% 0.03% 0 IP Input

Thanks for you answers.

Tamurmur

[marce1000]

 - FYI : https://www.cisco.com/c/en/us/support/docs/routers/10000-series-routers/15095-highcpu.html

 M.

[balaji.bandi]

Look at the discussion we had some time back :

https://community.cisco.com/t5/routing/high-cpu-utilization/td-p/4157696

[MHM Cisco World]

I need to see cpu history 

[Joseph W. Doherty · Accepted solution]

Might not be a bug.  You may have hit capacity/performance limit of your router.

What model 3900?

What's aggregate interfaces bandwidth (when CPU maxed out)?

Using any tunnels?

[mjrosana02]

Hi Seems you're right we tried to disable it temporarily the utilization went back to normal... . 

Thanks everyone for your Help!