Why didn’t the tunnel come up?

View the exhibit, which contains the partial output of an IKE real-time debug, and then answer the question below.

Why didn’t the tunnel come up?
A . The pre-shared keys do not match.
B. The remote gateway’s phase 2 configuration does not match the local gateway’s phase 2 configuration.
C. The remote gateway’s phase 1 configuration does not match the local gateway’s phase 1 configuration.
D. The remote gateway is using aggressive mode and the local gateway is configured to use man mode.

View Answer

Answer: C