To check if any ADC IP address have IP conflict

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Instructions

To determine if there is an IP conflict on the appliance, run the following commands from the command line interface:

>shell
#nsconmsg -K /var/nslog/newnslog -d consmsg

You can also get the same results through the configuration utility by navigating to ADC > System > Diagnostics > Manage Logs: View console messages.

Below is the sample output for the IP conflicts seen in console messages for reference:

IP address conflict 10.96.48.45! sent from ethernet address: 00:e0:ed:21:8e:a9
IP address conflict 10.96.48.46! sent from ethernet address: 00:e0:ed:21:8e:a9
IP address conflict 172.28.10.192! sent from ethernet address: 00:e0:ed:21:8e:a9

When you see messages like the above, confirm from which device’s MAC address in the network are the conflicts being received.
 

Check if there is any ip address conflict issue on ADC causing issues with VIP/Service/Interface going down or flapping.