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Version 2.5 Versions 3.0 & amp 5.0

Last Updated: 08 May 2014

Applies to Platform: UTM 3.0, 4i Edge 3.0, UTM 3.0, 4i Edge 5.0

This lesson will illustrate the necessary steps to configure a second Internet uplink on a typical Endian Appliance. Adding a second uplink can prove useful on two tipycal scenarios: On the one side, to configure a default WAN failover policy should the primary Internet (RED) connection go down, on the other side the second uplink can be used together with the main uplink to set up an outbound load-sharing (policy routing) to distribute outgoing traffic among the two Internet circuits.

Create Additional Uplink To create an additional uplink, go to Network > Interfaces and click "Create an Uplink". From here you can select the type of uplink (Ethernet Static/DHCP, ADSL, etc.) and then provide the appropriate configuration settings. Make sure you provide a valid unused physical Ethernet interface for "Device". Also ensure you (1) have all 3 checkboxes selected and that you (2) activate real-time Internet availability checking by selecting "Check if these hosts are reachable" and then provide some public and reliable (always responsive) IP addresses.

Click Create Uplink when your done.


It's recommended to only use IP addresses and not DNS names for reachable hosts (2) as this will ensure a higher degree of accuracy and remove any potential DNS resolution issues.

Now, depending on the type of scenario you want to deploy, either go to the next section to setup a failover uplink or follow this howto to set up policy routing.

Configure Primary Failover Policy Now you must edit your Main Uplink (primary) to use the secondary uplink as the failover. You can do this by editing your Main Uplink and then ensure you have a configuration options similar to what is shown above.
