Digi IX20-WAG4 User Manual page 382

Virtual Private Networks (VPN)
5. Set 172.31.0.1/30 as the virtual IP address on the GRE tunnel:
(config network interface gre_interface1)> ipv4 address 172.31.0.1/30
(config network interface gre_interface1)>
6. Save the configuration and apply the change:
(config network interface gre_interface1)> save
Configuration saved.
>
7. Type exit to exit the Admin CLI.
Depending on your device configuration, you may be presented with an Access selection
menu. Type quit to disconnect from the device.
Configure the IX20-2 device
Task one: Create an IPsec tunnel

WebUI
1. Log into the IX20 WebUI as a user with full Admin access rights.
2. On the menu, click System. Under Configuration, click Device Configuration.
The Configuration window is displayed.
3. Click VPN > IPsec > Tunnels.
4. For Add IPsec Tunnel, type ipsec_gre2 and click .
5. Click to expand Authentication.
6. For Pre-shared key, type the same pre-shared key that was configured for the IX20-1
(testkey).
IX20 User Guide
Generic Routing Encapsulation (GRE)
382