I am trying to find out a list of useful debug commands for my Cisco 5520 and Cisco routers, unless you can list the most useful for phase 1 and 2 and session info?
To do VPN debugging on ASA, please use following commands.
#debug crypto isakmp (phase 1)
#debug crypto ipsec (phase 2)
plus use following commands to troubleshoot
#show crypto isakmp sa
#show crypto ipsec sa
Thanks
Utkarsh
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