最近新加了几台2960,碰到的问题是CPU使用率很高
JXS2210#show processes cpu sorted | ex 0.0
CPU utilization for five seconds: 29%/3%; one minute: 29%; five minutes: 29%
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
239 26535872 46797814 567 9.59% 10.14% 10.15% 0 SISF Switcher Th 240 20899309 48302721 432 8.59% 7.87% 7.84% 0 SISF Main Thread 174 5462503 46826745 116 2.29% 2.08% 2.04% 0 HAYSEL SISF Proc
72 6748687 3139977 2149 1.95% 2.03% 2.04% 0 HaySel LinkState
71 1694399 405924 4174 0.43% 0.50% 0.51% 0 hpm main process
73 980849 313998 3123 0.29% 0.29% 0.29% 0 hpm counter proc
79 960353 7845334 122 0.27% 0.29% 0.29% 0 Haysel LED contr
64 543482 313543 1733 0.19% 0.19% 0.19% 0 AgingTask
=========================================================
JXS2210#show processes cpu history
222222233333222222222222222222222222222222222222222233333222
999999900000999999999999999999998888899999999998888811111888
100
90
80
70
60
50
40
30 **********************************************************
20 **********************************************************
10 **********************************************************
0....5....1....1....2....2....3....3....4....4....5....5....6
0 5 0 5 0 5 0 5 0 5 0
CPU% per second (last 60 seconds)
333333333333333333333333333333333333333333333333333333333323
203001113311001201120026001100122121112111221213124130112392
100
90
80
70
60
50
40 *
30 ##########################################################
20 ##########################################################
10 ##########################################################
0....5....1....1....2....2....3....3....4....4....5....5....6
0 5 0 5 0 5 0 5 0 5 0
CPU% per minute (last 60 minutes)
* = maximum CPU% # = average CPU%
333333333333333332332322222222222244444444333333333333333333222222222222
622111343452131109109188666656566501101101998877665554531310988666556655
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%
JXS2210#
========================================================================
JXS2210#show spanning-tree root
Root Hello Max Fwd
Vlan Root ID Cost Time Age Dly Root Port
---------------- -------------------- --------- ----- --- --- ------------
VLAN0001 32769 247e.12c5.5700 0 2 20 15
VLAN0003 24579 0008.e3ff.fc04 15 2 20 15 Gi0/24
VLAN0827 25403 0008.e3ff.fc04 15 2 20 15 Gi0/24
VLAN2827 31499 247e.12c5.5700 0 2 20 15
=====================================================================
JXS2210#show spanning-tree detail | i rstp|occur|from|is exec
VLAN0001 is executing the rstp compatible Spanning Tree protocol
Number of topology changes 10 last change occurred 07:03:56 ago
from GigabitEthernet0/3
VLAN0003 is executing the rstp compatible Spanning Tree protocol
Number of topology changes 23 last change occurred 05:50:40 ago
from GigabitEthernet0/24
VLAN0827 is executing the rstp compatible Spanning Tree protocol
Number of topology changes 20 last change occurred 07:03:49 ago
from GigabitEthernet0/24
VLAN2827 is executing the rstp compatible Spanning Tree protocol
Number of topology changes 16 last change occurred 07:04:24 ago
from GigabitEthernet0/3
JXS2210#
=============================================================
JXS2210#dir
Directory of flash:/
257 -rwx 3096 Jun 1 2018 17:31:08 +08:00 multiple-fs
516 drwx 2048 May 25 2023 04:00:15 +08:00 c2960l-universalk9-mz.152-6.E
707 drwx 2048 May 25 2023 04:00:15 +08:00 dc_profile_dir
258 -rwx 676 May 22 2018 15:50:54 +08:00 vlan.dat
837 drwx 2048 Jun 1 2018 17:21:54 +08:00
c2960l-universalk9-mz.152-6.E1 839 -rwx 3943 Jun 1 2018 17:29:38 +08:00 config.text
840 -rwx 1921 Jun 1 2018 17:29:38 +08:00 private-config.text
2 drwx 2048 Mar 1 1993 08:00:02 +08:00 lost+found
244711424 bytes total (200048640 bytes free)
====================================================
IOS已经升级到最新JXS2210#show ver
Cisco IOS Software, C2960L Software (C2960L-UNIVERSALK9-M), Version 15.2(6)E1, RELEASE SOFTWARE (fc4)
Technical Support:
http://www.cisco.com/techsupportCopyright (c) 1986-2018 by Cisco Systems, Inc.
Compiled Tue 06-Mar-18 06:49 by prod_rel_team
ROM: Bootstrap program is C2960L boot loader
BOOTLDR: C2960L Boot Loader (C2960L-HBOOT-M) Version 15.2(5r)E3, RELEASE SOFTWARE (fc2)
JXS2210 uptime is 3 days, 15 hours, 16 minutes
System returned to ROM by power-on
System restarted at 17:30:45 beijing Fri Jun 1 2018
System image file is "
flash:/c2960l-universalk9-mz.152-6.E1/c2960l-universalk9-mz.152-6.E1.bin"Last reload reason: Reload command