Foundry Networks AR3202-CL - Manual (Page 271)

Foundry AR-Series Router User Guide
15 - 46 © 2004 Foundry Networks, Inc. June 2004
GRE Configuration Examples
This example explains how to configure a basic GRE tunnel as shown in Figure 15.4.
Figure 15.4 Simple GRE configuration
Configuring Site to Site Tunnel
To configure GRE in a site to site tunnel configuration:
1. Configure the interface:
2. Configure the tunnel:
3. Configure the IP routes:
10.3.1.0
192.168.94.220
192.168.55.75
40.1.1.0
Foundry# configure terminal
Foundry/configure# interface bundle wan1
Foundry/configure/interface/bundle wan1# link t1 1
Foundry/configure/interface/bundle wan1# encapsulation ppp
Foundry/configure/interface/bundle wan1# ip address 192.168.94.220
255.255.255.0
Foundry/configure/interface/bundle wan1# exit
Foundry/configure# interface tunnel t0
Foundry/configure/interface/tunnel t0# ip 103.1.1.2 24
Foundry/configure/interface/tunnel t0# tunnel source 192.168.94.220
Foundry/configure/interface/tunnel t0# tunnel destination
192.168.55.75
Foundry/configure/interface/tunnel t0# exit