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DaeHeon Kang
Beginner

High CPU issue with ISR 2911 router

Hi,

 

We've got high CPU issue with ISR 2911 router.

It seems the CPU usage hits high is occurring daily base, possibly during business hours.

I guess this comes from old hardware + throughput restriction.

The detail about router and others is as below.

Can you advise me any clue that possibly could cause this issue?

 

 

Model: CISCO2911/K9

IOS version: C2900 Software (C2900-UNIVERSALK9-M), Version 15.5(3)M4a

License:  only Ipbase (not, security, uc and data)

Shaping speed applied to WAN ethernet link: 100Mbps

 

 

 

 

 

 

 

 

 

 

 

4 REPLIES 4
marce1000
VIP Mentor
Georg Pauwen
VIP Master

Hello,

 

post the running configuration of your 2911 router (sh run)...

MHM Cisco World
Advisor

even if the shaped speed but still if there is any fragment this meaning that the router CPU is use to fragment and defragment the packet.

DaeHeon Kang
Beginner

Following is the out of show proc cpu

 

XXXXRTR01#show processes cpu sorted | exclude 0.00
CPU utilization for five seconds: 71%/69%; one minute: 72%; five minutes: 71%
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
359 3112 177 17581 0.39% 1.16% 0.26% 395 SSH Process
199 23391036 3614931277 0 0.39% 0.42% 0.45% 0 HQF Output Shape
355 12041712 3970723181 0 0.23% 0.23% 0.23% 0 NBAR timer tick
170 153857956 531719398 289 0.23% 0.23% 0.20% 0 IP Input
363 5038012 1459238971 3 0.15% 0.08% 0.08% 0 PIM Process
373 6397160 3314671309 0 0.15% 0.11% 0.13% 0 MFIB_mrib_write
360 5309820 4142671026 0 0.15% 0.15% 0.15% 0 HSRP Common
203 14784456 66595098 222 0.07% 0.07% 0.07% 0 ADJ background
364 1436656 665722940 2 0.07% 0.02% 0.02% 0 Mwheel Process
166 3362224 2072539362 1 0.07% 0.06% 0.07% 0 IPAM Manager
35 26955120 113877699 236 0.07% 0.02% 0.02% 0 ARP Input
356 12441024 65084520 191 0.07% 0.06% 0.07% 0 CFT Timer Proces