When GRE is configured on a router, what do the tunnel source and tunnel destination addresses on the tunnel interface refer to?

IT Questions BankCategory: CCNPWhen GRE is configured on a router, what do the tunnel source and tunnel destination addresses on the tunnel interface refer to?

When GRE is configured on a router, what do the tunnel source and tunnel destination addresses on the tunnel interface refer to?

  • the IP addresses of the two LANs that are being connected together by the VPN
  • the IP address of host on the LAN that is being extended virtually
  • the IP addresses at each end of the WAN link between the routers
  • the IP addresses of tunnel interfaces on intermediate routers between the connected routers

Explanation: A site-to-site VPN is established with a GRE tunnel. It does not link two LANs, but rather it extends the reach of a single LAN across a WAN. Tunnel interfaces are configured on routers at each end of the VPN, not in the intermediate routers.

Exam with this question: Quiz - Overlay Tunnels

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