Example Point-to-Point GRE Tunnel Configuration

A GRE Tunnel is configured between Router A and Router B. Traffic between networks 10.10.1.0/24 and 10.10.2.0/24 is encapsulated in a GRE packet sent through the tunnel on the 10.10.3.0 network, and unpacked and sent to the destination network. A static route is configured at each Layer 3 switch to go through the tunnel interface to the target network.

Point-to-Point GRE Tunnel Configuration Example

The following configurations show the configuration commands for this example.

In this section:

  1. Configuring Point-to-Point GRE Tunnel for Router A
  2. Configuring Point-to-Point GRE Tunnel for Router B
Parent topic: IPv4 Point-to-Point GRE Tunnels