Digi TX54 User Manual page 378

Virtual Private Networks (VPN)
2. For Add Interface, type gre_interface1 and click .
3. For Zone, select Internal.
4. For Device, select the GRE tunnel created in
5. Click to expand IPv4.
6. For Address, type 172.31.0.1/30 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)>
TX54 User Guide
Generic Routing Encapsulation (GRE)
Task three (IP tunnel: gre_tunnel1).
378