Which type of traffic is being blocked?

Refer to the exhibit.

An engineer is troubleshooting a new GRE over IPsec tunnel. The tunnel is established but the engineer cannot ping from spoke 1 to spoke 2.

Which type of traffic is being blocked?
A . ESP packets from spoke2 to spoke1
B. ISAKMP packets from spoke2 to spoke1
C. ESP packets from spoke1 to spoke2
D. ISAKMP packets from spoke1 to spoke2

View Answer

Answer: A