Digi LR54 User Manual page 544

Virtual Private Networks (VPN)
12. For Type, select Custom network.
13. For Address, type the IP address and subnet of the local GRE tunnel, 172.30.0.2/32.
14. For Remote network, type the IP address and subnet of the remote GRE tunnel,
172.30.0.1/32.
15. Click Apply to save the configuration and apply the change.

Command line
1. Select the device in Remote Manager and click Actions > Open Console, or log into the LR54
local 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 an IPsec tunnel named ipsec_gre2:
(config)> add vpn ipsec tunnel ipsec_gre2
(config vpn ipsec tunnel ipsec_gre2)>
4. Set the pre-shared key to the same pre-shared key that was configured for the LR54-1
(testkey):
(config vpn ipsec tunnel ipsec_gre2)> auth secret testkey
(config vpn ipsec tunnel ipsec_gre2)>
5. Set the remote endpoint to public IP address of the LR54-1 device:
(config vpn ipsec tunnel ipsec_gre2)> remote hostname 192.168.100.1
(config vpn ipsec tunnel ipsec_gre2)>
6. Add a policy:
(config vpn ipsec tunnel ipsec_gre2)> add policy end
(config vpn ipsec tunnel ipsec_gre2 policy 0)>
7. Set the local network policy type to custom:
(config vpn ipsec tunnel ipsec_gre2 policy 0)> local type custom
(config vpn ipsec tunnel ipsec_gre2 policy 0)>
8. Set the local network address to the IP address and subnet of the local GRE tunnel,
172.30.0.2/32:
LR54 User Guide
Generic Routing Encapsulation (GRE)
544