C3850 high cpu

[tianwen.zhao]

Hi all

C3850# sho processes cpu sorted
CPU utilization for five seconds: 95%/39%; one minute: 95%; five minutes: 94%
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
140 4086466 627425 6513 43.00% 47.00% 46.65% 0 NGWC L2M
233 87104868 126847578 686 7.15% 7.40% 7.34% 0 Spanning Tree
117 28933447 581712813 49 1.08% 1.02% 0.98% 0 IOSXE-RP Punt Se

what cause it ?

Thanks for any answer

Thank you 

[Leo Laohoo]

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@Xiaoyang wrote:
Did you solved this issue？and how to solved this issue？

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Post the complete output to the following commands: 

1.  sh version; 

2.  sh proc cpu sort | ex 0.00

[Xiaoyang]

Hi Leo，

------------------ show version ------------------

Cisco IOS XE Software, Version 16.09.04
Cisco IOS Software [Fuji], Catalyst L3 Switch Software (CAT3K_CAA-UNIVERSALK9-M), Version 16.9.4, RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2019 by Cisco Systems, Inc.
Compiled Thu 22-Aug-19 17:33 by mcpre


------------------ show process cpu sorted ------------------


CPU utilization for five seconds: 55%/8%; one minute: 58%; five minutes: 52%
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
157 318866 124802 2554 42.87% 45.08% 40.04% 0 NGWC L2M
126 19916 168714 118 2.47% 2.12% 2.07% 0 IOSXE-RP Punt Se
249 1743 27696 62 0.23% 0.09% 0.08% 0 UDLD
225 2742 84740 32 0.23% 0.11% 0.09% 0 IPAM Manager
130 5084 164926 30 0.15% 0.16% 0.15% 0 L2 LISP Punt Pro
385 1817 86501 21 0.15% 0.07% 0.08% 0 MMON MENG
228 2356 84739 27 0.15% 0.09% 0.08% 0 IP ARP Retry Age
204 2131 43181 49 0.15% 0.08% 0.08% 0 VRRS Main thread
96 106 2776 38 0.07% 0.00% 0.00% 0 RP HA Periodic
280 4645 2590 1793 0.07% 0.26% 0.18% 0 Exec
384 2129 43178 49 0.07% 0.08% 0.08% 0 MMA DP TIMER
545 1127 13807 81 0.07% 0.04% 0.03% 0 ONEP Network Ele
334 519 10828 47 0.07% 0.01% 0.00% 0 SISF Main Thread
153 507 1660 305 0.07% 0.02% 0.00% 0 PLFM-MGR IPC pro
143 108 279 387 0.07% 0.00% 0.00% 0 Compute load avg
77 103 2765 37 0.07% 0.00% 0.00% 0 TTY Background

[Leo Laohoo]

Cool. You're running 16.X.X.
Can you then post the 1st page output to the command "sh proc cpu platform sort loca switch <SWITCH MASTER> r0"?

[luis_cordova]

Hi @tianwen.zhao,

Check this link:

https://www.cisco.com/c/en/us/support/docs/switches/catalyst-3850-series-switches/117594-technote-hicpu3850-00.html

About the reported bug:

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCuo14511/?rfs=iqvred

I hope can help you.

Regards