Why didn’t the tunnel come up?

Examine the partial output from the IKE real time debug shown in the exhibit; then answer the question below.

Why didn’t the tunnel come up?
A . IKE mode configuration is not enabled in the remote IPsec gateway.
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 . One IPsec gateway is using main mode, while the other IPsec gateway is using aggressive mode.

View Answer

Answer: C