Digi TX54 User Manual page 465

Virtual Private Networks (VPN)
3. Click VPN > IP Tunnels.
4. For Add IP tunnel, type a name for the GRE tunnel and click .
5. Enable the tunnel.
New tunnels are enabled by default. To disable, or to enable if it has been disabled, click
Enable.
6. For Local endpoint, select the GRE endpoint interface created in
7. For Remote endpoint, type the IP address of the GRE endpoint on the remote peer.
8. (Optional) For Key, enter a key that will be inserted in GRE packets created by this tunnel. It
must match the key set by the remote endpoint. Allowed value is an interger between 0 and
4294967295, or an IP address.
9. (Optional) Enable keepalive reply to enable the device to reply to Cisco GRE keepalive
packets.
10. Click Apply to save the configuration and apply the change.

Command line
1. Log into the TX54 command line as a user with full Admin access rights.
Depending on your device configuration, you may be presented with an Access selection
menu. Type admin to access the Admin CLI.
2. At the command line, type config to enter configuration mode:
> config
(config)>
3. Add the GRE endpoint tunnel. For example, to add a tunnel named gre_example:
(config)> add vpn iptunnel gre_example
(config vpn iptunnel gre_example)>
GRE tunnels are enabled by default. To disable:
(config vpn iptunnel gre_example)> enable false
(config vpn iptunnel gre_example)>
4. Set the local endpoint to the GRE endpoint interface created in
(config vpn iptunnel gre_example)> local /network/interface/gre_endpoint
(config vpn iptunnel gre_example)>
To view configured interfaces and proper syntax:
(config vpn iptunnel gre_example)> local ?
TX54 User Guide
Generic Routing Encapsulation (GRE)
Task One.
Task One, for example:
465