Digi TX40 User Manual page 577

Virtual Private Networks (VPN)
3. Set the zone to internal:
(config network interface ipsec_endpoint1)> zone internal
(config network interface ipsec_endpoint1)>
4. Set the device to /network/device/loopback:
(config network interface ipsec_endpoint1)> device
/network/device/loopback
(config network interface ipsec_endpoint1)>
5. Set the IPv4 address to the IP address of the local GRE tunnel, 172.30.0.1/32:
(config network interface ipsec_endpoint1)> ipv4 address 172.30.0.1/32
(config network interface ipsec_endpoint1)>
6. Save the configuration and apply the change
(config vpn ipsec tunnel ipsec_endpoint1 policy 0)> save
Configuration saved.
>
Task three: Create a GRE tunnel

Web
1. Click VPN > IP Tunnels.
2. For Add IP Tunnel, type gre_tunnel1 and click .
3. For Local endpoint, select the IPsec endpoint interface created in
endpoint1).
4. For Remote endpoint, type the IP address of the GRE tunnel on TX40-2, 172.30.0.2.
5. Click Apply to save the configuration and apply the change.

Command line
1. At the command line, type config to enter configuration mode:
> config
(config)>
TX40 User Guide
Generic Routing Encapsulation (GRE)
Task two (Interface: ipsec_
577