Cisco 857 - High CPU

Unanswered Question
Jun 12th, 2007
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Hi,


Have an 857 that periodically spikes (Every 2-3 minutes) for approx. 30 seconds:


#sh processes cpu sorted | exclude 0.0

CPU utilization for five seconds: 23%/17%; one minute: 4%; five minutes: 9%

PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process

4 473148 28447 16632 4.09% 0.88% 0.63% 0 Check heaps

37 311368 364703 853 1.63% 0.43% 0.71% 0 COLLECT STAT COU


During the spikes, there is not excessive data going through the CPE.


What is the "COLLECT STAT COU" process?


Any help in isolating what could be causing these spikes would be greatly appreciated.


NB: sh ip flow top talkers is not showing any node behaving abnormally either.


IOS:


#sh ver

Cisco IOS Software, C850 Software (C850-ADVSECURITYK9-M), Version 12.4(6)T6, RELEASE SOFTWARE (fc2)

Technical Support: http://www.cisco.com/techsupport

Copyright (c) 1986-2006 by Cisco Systems, Inc.

Compiled Fri 08-Dec-06 22:38 by kellythw


ROM: System Bootstrap, Version 12.3(8r)YI3, RELEASE SOFTWARE


1610366936 uptime is 21 hours, 37 minutes

System returned to ROM by power-on

System restarted at 14:28:18 GMT+10 Tue Jun 12 2007

System image file is "flash:c850-advsecurityk9-mz.124-6.T6.bin"






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