本帖最后由 kpak00001 于 2016-2-15 11:50 编辑 我现在碰到一个问题,我这里有一个3750G的堆叠,mac地址表经常出现一个不完整的mac地址记录,目前判断可能是某个扫描器导致的,我想知道具体是哪个机器干的,但是不好找,抓包效果不太理想,看到的都是交换机自身发出的ARP,我想用debug platform cpu-queues 查看究竟是哪个机器发的,但是又不敢使用debug,怕把设备搞死机了,请问大家平时排错用debug吗?有什么技巧吗 ?可否在尽量降低影响设备性能的情况下,使用debug?
mac地址表情况如下
sw#sh ip arp | in Incomplete
Internet 10.7.130.143 0 Incomplete ARPA
Internet 10.7.136.133 0 Incomplete ARPA
Internet 10.7.133.136 0 Incomplete ARPA
Internet 10.7.132.137 0 Incomplete ARPA
Internet 10.7.143.130 0 Incomplete ARPA
Internet 10.7.141.128 0 Incomplete ARPA
Internet 10.7.139.134 0 Incomplete ARPA
Internet 10.7.128.141 0 Incomplete ARPA
Internet 10.7.134.138 0 Incomplete ARPA
Internet 10.7.138.134 0 Incomplete ARPA
Internet 10.7.133.137 0 Incomplete ARPA
Internet 10.7.130.142 0 Incomplete ARPA
Internet 10.7.129.141 0 Incomplete ARPA
Internet 10.7.128.140 0 Incomplete ARPA
Internet 10.7.142.130 0 Incomplete ARPA
Internet 10.7.141.129 0 Incomplete ARPA
Internet 10.7.140.128 0 Incomplete ARPA
Internet 10.7.138.133 0 Incomplete ARPA
Internet 10.7.137.134 0 Incomplete ARPA
Internet 10.7.133.138 0 Incomplete ARPA
Internet 10.7.128.143 0 Incomplete ARPA
Internet 10.7.139.132 0 Incomplete ARPA
Internet 10.7.142.128 0 Incomplete ARPA
CPU日常负载如下:
sw#sh proc c his
1111111111222222222222222222223333322222222222222222222222
9999999999111117777766666111115555599999111111111100000444
100
90
80
70
60
50
40 *****
30 ********** **********
20 **********************************************************
10 **********************************************************
0....5....1....1....2....2....3....3....4....4....5....5....
0 5 0 5 0 5 0 5 0 5
CPU% per second (last 60 seconds)
3433668485565545444753434554435333483365743456444466444753
5604292942277189022958154402371697902659109646239503996342
100
90
80 * * * *
70 ** * * * * * * * *
60 *** * #* * ** * *** * ** #
50 * *##*#**##*** ** ** * ** *#* *** **##***#*
40 ** *############**##***###********# *###***##****######*
30 ##*#######################################################
20 ##########################################################
10 ##########################################################
0....5....1....1....2....2....3....3....4....4....5....5....
0 5 0 5 0 5 0 5 0 5
CPU% per minute (last 60 minutes)
* = maximum CPU% # = average CPU%
1 1
8888988888088087968686978687978796978786979787878697879988899687878788
0048091828064087067695019393057602037365400998988545890381912785878873
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%