Virtual Private Networks (VPN) Generic Routing Encapsulation (GRE)
Digi Connect IT® 4 User Guide
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3. Create a GRE tunnel named gre_tunnel2:
a. Local endpoint set to the IPsec endpoint interface, Interface: ipsec_endpoint2.
b. Remote endpoint set to the IP address of the GRE tunnel on Connect IT 4-1, 172.30.0.1.
4. Create an interface named gre_interface2 and add it to the GREtunnel:
a. Zone set to Internal.
b. Device set to IP tunnel: gre_tunnel2.
c. IPv4 Address set to a virtual IP address on the GRE tunnel, 172.31.0.2/30.
Configuration procedures
Configure the Connect IT 4-1 device
Task one: Create an IPsec tunnel
Web
1. Log into Digi Remote Manager, or log into the local Web UI as a user with full Admin access
rights.
2. Access the device configuration:
Remote Manager:
a. Locate your device as described in Use Digi Remote Manager to view and manage your
device.
b. Click the Device ID.
c. Click Settings.
d. Click to expand Config.
Local Web UI:
a. 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_gre1 and click .
5. Click to expand Authentication.