The command debug crypto isakmp results in ?

Answer: Troubleshooting ISAKMP (Phase 1) negotiation problems

Explanation:
#debug crypto isakmp
This output shows an example of the debug crypto isakmp command.
processing SA payload. message ID = 0
Checking ISAKMP transform against priority 1 policy
encryption 3DES
hash SHA
default group 2
auth pre-share
life type in seconds
life duration (basic) of 240
atts are acceptable. Next payload is 0
processing KE payload. message ID = 0
processing NONCE payload. message ID = 0
processing ID payload. message ID = 0
SKEYID state generated
processing HASH payload. message ID = 0
SA has been authenticated
processing SA payload. message ID = 800032287
Contains the IPsec Phase1 information.
You can view the HAGLE (Hash, Authentication, DH Group, Lifetime, Encryption) process in
the output