Dear all
We are encoutering high CPU on multiple Catalyst 2960-X stacks causing management latency and SNMP loss.
Doing sh proc cpu sort shows that the CPU is mainly busy due to SISF processes :
#sh proc cpu sort
CPU utilization for five seconds: 83%/2%; one minute: 71%; five minutes: 71%
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
448 1062976745 150158032 7079 25.90% 17.58% 17.29% 0 SISF Switcher Th
177 1585008201 140878755 11250 25.36% 23.71% 23.95% 0 Hulc LED Process
449 238356147 179070978 1331 6.29% 4.02% 3.93% 0 SISF Main Thread
335 180685469 154173853 1171 4.01% 3.17% 3.10% 0 HULC SISF Proces
136 22912482 5817572 3938 0.59% 0.50% 0.48% 0 hpm counter proc
252 39732656 222570655 178 0.47% 0.63% 0.66% 0 HULC DAI Process
168 15298353 27677971 552 0.41% 0.27% 0.26% 0 Hulc Storm Contr
126 23042600 134691341 171 0.35% 0.42% 0.41% 0 HLFM address lea
193 23187996 1156538 20049 0.35% 0.33% 0.35% 0 HQM Stack Proces
999999999999999999999999999999999999999999999999999999999999999999999999
967994675763597868886487876575478667866888566756677384796557667969454837
100 ***** ***** ********* ******** ******************** * ************ * *
90 **********************************************************************
80 **********************************************************************
70 ######################################################################
60 ######################################################################
50 ######################################################################
40 ######################################################################
30 ######################################################################
20 ######################################################################
10 ######################################################################
0....5....1....1....2....2....3....3....4....4....5....5....6....6....7..
0 5 0 5 0 5 0 5 0 5 0 5 0
CPU% per hour (last 72 hours)
* = maximum CPU% # = average CPU%
Logs don't show any kind of problem but CLI is slow.
Reboot don't change anything and we have the problem in 15.2(6)E1 and E2
Access ports are all configured for MAB and IPSG for about 20 different vlans.
Ports show no specific error.
Have you ever encountered the same kind of problem ?
Thanks in advance
Best regards
