Which GRE tunnel configuration step is optional?
- setting the MTU
- defining the tunnel destination
- allocating an IP address to the tunnel interface
- defining the tunnel source
Explanation: For configuring a GRE tunnel, the tunnel IP address, tunnel source, and tunnel destination are required. Configuring the MTU, tunnel bandwidth, and tunnel keepalive are optional.
Exam with this question: Chapter 19: Quiz – DMVPN Tunnels CCNPv8 ENARSI