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   monitor capture mycap buffer size 10
Troubleshoot
There is currently no specific troubleshooting information available for this configuration.
Capture Control−Plane Traffic
Here is a sample configuration that shows both ingress and egress traffic sourced to and from the Cisco
Catalyst 3850 Series Switch itself. This is a great way to see what traffic hits the CPU of the Cisco Catalyst
3850 Series Switch. This can be combined in order to diagnose high CPU usage situations
Configuration
Switch#show monitor capture mycap parameter
   monitor capture mycap control−plane both
   monitor capture mycap match any
   monitor capture mycap file location flash:mycap.pcap buffer−size 10
   monitor capture mycap limit packets 100
Results
1   0.143990 aa:aa:aa:aa:aa:aa −> 0c:68:03:45:e5:47 ARP Who has 10.10.10.1? 
    Tell 10.10.10.10
2   0.148003 aa:aa:aa:aa:aa:aa −> 0c:68:03:45:e5:47 ARP Who has 10.10.10.1? 
    Tell 10.10.10.10
3   0.153999 aa:aa:aa:aa:aa:aa −> 0c:68:03:45:e5:47 ARP Who has 10.10.10.1? 
    Tell 10.10.10.10
4   0.159004 aa:aa:aa:aa:aa:aa −> 0c:68:03:45:e5:47 ARP Who has 10.10.10.1? 
    Tell 10.10.10.10
5   0.163993 aa:aa:aa:aa:aa:aa −> 0c:68:03:45:e5:47 ARP Who has 10.10.10.1? 
    Tell 10.10.10.10
6   0.168998 aa:aa:aa:aa:aa:aa −> 0c:68:03:45:e5:47 ARP Who has 10.10.10.1? 
    Tell 10.10.10.10
7   0.174003 aa:aa:aa:aa:aa:aa −> 0c:68:03:45:e5:47 ARP Who has 10.10.10.1? 
    Tell 10.10.10.10
8   0.178992 0c:68:03:45:e5:47 −> aa:aa:aa:aa:aa:aa ARP 10.10.10.1 is at
    0c:68:03:45:e5:47
9   0.184988 0c:68:03:45:e5:47 −> aa:aa:aa:aa:aa:aa ARP 10.10.10.1 is at
    0c:68:03:45:e5:47
10   0.189993 0c:68:03:45:e5:47 −> aa:aa:aa:aa:aa:aa ARP 10.10.10.1 is at
     0c:68:03:45:e5:47
11   0.194998 0c:68:03:45:e5:47 −> aa:aa:aa:aa:aa:aa ARP 10.10.10.1 is at
     0c:68:03:45:e5:47
12   0.200994 0c:68:03:45:e5:47 −> aa:aa:aa:aa:aa:aa ARP 10.10.10.1 is at
     0c:68:03:45:e5:47
13   0.205999 0c:68:03:45:e5:47 −> aa:aa:aa:aa:aa:aa ARP 10.10.10.1 is at
     0c:68:03:45:e5:47
14   0.210988 0c:68:03:45:e5:47 −> aa:aa:aa:aa:aa:aa ARP 10.10.10.1 is at
     0c:68:03:45:e5:47
15   0.215993 0c:68:03:45:e5:47 −> aa:aa:aa:aa:aa:aa ARP 10.10.10.1 is at
     0c:68:03:45:e5:47
16   0.221989 0c:68:03:45:e5:47 −> aa:aa:aa:aa:aa:aa ARP 10.10.10.1 is at
     0c:68:03:45:e5:47
Updated: Apr 22, 2014
Document ID: 117639