Digi TX54 User Manual page 386

Virtual Private Networks (VPN)
6. For Address, type 172.31.1.1/30 for a virtual IP address on the GRE tunnel.
7. Click Apply to save the configuration and apply the change.
The Apply button is located at the top of the WebUI page. You may need to scroll to the top of
the page to locate it.

Command line
1. At the command line, type config to enter configuration mode:
> config
(config)>
2. Add an interface named gre_interface2:
(config)> add network interface gre_interface2
(config network interface gre_interface2)>
3. Set the zone to internal:
(config network interface gre_interface2)> zone internal
(config network interface gre_interface2)>
4. Set the device to the GRE tunnel created in
(config network interface gre_interface2)> device /vpn/iptunnel/gre_tunnel2
(config network interface gre_interface2)>
5. Set 172.31.0.1/30 as the virtual IP address on the GRE tunnel:
(config network interface gre_interface2)> ipv4 address 172.31.1.1/30
(config network interface gre_interface2)>
TX54 User Guide
Generic Routing Encapsulation (GRE)
Task three (/vpn/iptunnel/gre_tunnel2):
386