High CPU utilization IP input on cisco 2811

zohaib2k36 · ‎07-30-2018

Hi, Having a problem with high CPU on 2811: #sho processes cpu | exclude 0.00% CPU utilization for five seconds: 49%/26%; one minute: 52%; five minutes: 48% PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process 131 1354454956 1128313855 1200 10.39% 11.21% 9.92% 0 IP Input 139 798357428 1236499248 645 6.55% 6.83% 6.05% 0 L2X Data Daemon 181 286394200 497774175 575 2.31% 2.60% 2.31% 0 PPP Compress Inp 102 29773660 1262530741 23 1.03% 1.00% 0.98% 0 Ethernet Msec Ti 5 92509796 7043817 13133 0.95% 0.29% 0.20% 0 Check heaps 305 12471612 1354674760 9 0.31% 0.28% 0.28% 0 PPP manager 127 7461428 1365071506 5 0.23% 0.19% 0.18% 0 IPAM Manager 308 6786200 1828502811 3 0.23% 0.21% 0.22% 0 COMPORT 318 468 265 1766 0.23% 0.20% 0.06% 514 Virtual Exec 233 54991900 39321494 1398 0.15% 0.09% 0.08% 0 Crypto IKMP 313 7962952 1354817564 5 0.15% 0.14% 0.15% 0 PPP Events 162 1013624 54266740 18 0.07% 0.03% 0.02% 0 CEF: IPv4 proces 101 2138240 266436733 8 0.07% 0.03% 0.02% 0 Ethernet Timer C

zohaib2k36 · ‎07-30-2018

sh processes cpu sorted | exclude 0.00% CPU utilization for five seconds: 49%/26%; one minute: 52%; five minutes: 48% PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process 131 1354454956 1128313855 1200 10.39% 11.21% 9.92% 0 IP Input 139 798357428 1236499248 645 6.55% 6.83% 6.05% 0 L2X Data Daemon 181 286394200 497774175 575 2.31% 2.60% 2.31% 0 PPP Compress Inp 102 29773660 1262530741 23 1.03% 1.00% 0.98% 0 Ethernet Msec Ti 5 92509796 7043817 13133 0.95% 0.29% 0.20% 0 Check heaps 305 12471612 1354674760 9 0.31% 0.28% 0.28% 0 PPP manager 127 7461428 1365071506 5 0.23% 0.19% 0.18% 0 IPAM Manager 308 6786200 1828502811 3 0.23% 0.21% 0.22% 0 COMPORT 318 468 265 1766 0.23% 0.20% 0.06% 514 Virtual Exec 233 54991900 39321494 1398 0.15% 0.09% 0.08% 0 Crypto IKMP 313 7962952 1354817564 5 0.15% 0.14% 0.15% 0 PPP Events 162 1013624 54266740 18 0.07% 0.03% 0.02% 0 CEF: IPv4 proces 101 2138240 266436733 8 0.07% 0.03% 0.02% 0 Ethernet Timer C

Leo Laohoo · ‎07-30-2018

52% is not a high number.

zohaib2k36 · ‎07-31-2018

CPU utilization for five seconds: 61%/40%; one minute: 65%; five minutes: 64%
PID Runtime(ms)     Invoked      uSecs   5Sec   1Min   5Min TTY Process
131 1358432612 1131266146       1200 9.91% 10.20% 10.30%   0 IP Input
139   800878776 1239503251        646 6.00% 6.13% 6.34%   0 L2X Data Daemon
181   287138560   499111737        575 2.39% 2.59% 2.54%   0 PPP Compress Inp
102    29835760 1272803263         23 1.11% 1.06% 1.04%   0 Ethernet Msec Ti
305    12509636 1357207666          9 0.31% 0.30% 0.30%   0 PPP manager
313     7987148 1357350734          5 0.15% 0.15% 0.15%   0 PPP Events
127     7482800 1367596152          5 0.15% 0.19% 0.18%   0 IPAM Manager
308     6816300 1832550619          3 0.15% 0.22% 0.23%   0 COMPORT
251     1481024   219601878          6 0.07% 0.02% 0.02%   0 Atheros LED Ctro
233    55088588    39401701       1398 0.07% 0.10% 0.08%   0 Crypto IKMP

KHI-DC#sh processes cpu history

Leo Laohoo · ‎08-01-2018

What IOS version is the router running on?

zohaib2k36 · ‎08-01-2018

System image file is "flash:c2800nm-advsecurityk9-mz.151-3.T4.bin"

Leo Laohoo · ‎08-01-2018

Upgrade the firmware. The router is currently running a "T" train. Upgrade to an "M" train.