You can use the following commands to troubleshoot IKE.

This command displays the parameters for each configured IKE policy:

R1#show crypto isakmp policy

This command displays all current IKE SAs:

R1#show crypto isakmp sa

This command displays the crypto map configuration:

R1#show crypto map

This command verifies an IKE configuration:

R1#show running-config

This command displays debug messages about IKE events:

R1#debug crypto isakmp