What is a characteristic of the IPsec ESP tunnel mode?
- It encrypts the entire original packet.
- It encrypts and authenticates only the original packet payload.
- It uses the original IP header to route packets.
- It encrypts both the IPsec and ESP headers.
Explanation: There are two modes of ESP operation, tunnel mode and transport mode. In ESP tunnel mode the entire original packet is encrypted and a new IPsec header is added which is used to route the packet.
Exam with this question: Chapter 20: Quiz – Securing DMVPN Tunnels CCNPv8 ENARSI