Digi TX40 User Manual page 578

Virtual Private Networks (VPN)
2. Add a GRE tunnel named gre_tunnel1:
(config)> add vpn iptunnel gre_tunnel1
(config vpn iptunnel gre_tunnel1)>
3. Set the local endpoint to the IPsec endpoint interface created in
(/network/interface/ipsec_endpoint1):
(config vpn iptunnel gre_tunnel1)> local /network/interface/ipsec_
endpoint1
(config vpn iptunnel gre_tunnel1)>
4. Set the remote endpoint to the IP address of the GRE tunnel on TX40-2, 172.30.0.2:
(config vpn iptunnel gre_tunnel1)> remote 172.30.0.2
(config vpn iptunnel gre_tunnel1)>
5. Save the configuration and apply the change
(config vpn iptunnel gre_tunnel1)> save
Configuration saved.
>
Task four: Create an interface for the GRE tunnel device

Web
1. Click Network > Interfaces.
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.
TX40 User Guide
Generic Routing Encapsulation (GRE)
Task two
Task three (IP tunnel: gre_tunnel1).
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