Hi,
We have really high CPU load on one of our Catalyst 4500.
It is usually between 40 % - 60 % but goes up to 90 - 95 % AT TIMES.
We run multi-area OSPF with 5 4500 in the core. The one that is concerning us is ASBR and a Backbone router.
We use several thousands of global IP addresses in our network that all exit our network through the problem
switch.
Does anyone have any ideas about the following outputs?
Can it be OSPF updates or something that
I snagged these outputs whilst the switch was working extremely hard...
(some data omitted)
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#show processes cpu
CPU utilization for five seconds: 91%/19%; one minute: 92%; five minutes: 91%
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
29 174355212 540332576 322 2.55% 2.90% 2.90% 0 Cat4k Mgmt HiPri
30 32944829001977031423 1666 61.19% 62.71% 61.81% 0 Cat4k Mgmt LoPri
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show platform health
%CPU %CPU RunTimeMax Priority Average %CPU Total
Target Actual Target Actual Fg Bg 5Sec Min Hour CPU
Lj-poll 1.00 0.02 2 735 100 500 0 0 0 35:01
GalChassisVp-review 3.00 0.21 10 14 100 500 0 0 0 239:34
TagMan-RecreateMtegR 1.00 0.00 10 0 100 500 0 0 0 0:00
K2CpuMan Review 30.00 69.44 30 47 100 500 119 114 51 61240:34
K2AccelPacketMan: Tx 10.00 37.70 20 1 100 500 55 53 26 31795:16
---------------------------------------------------
Show proc cpu hist:
9898878888888987789888787777787877777779999999988778877888888776777677
5755272305394207264485830644819186869981044666673683499311320878412717
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%
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Any ideas or suggestions would be greatly appreciated.
