- In the left pane, click Network WAN Failover.
- Set WAN Default Route to Yes.This setting enables the use of the Ethernet WAN or the Mobile WAN as the default route interface.
- Set the value of Mobile WAN On Demand.
- If the backup WAN interface needs to come up only when the primary interface goes down, select Yes.
- If both the wireless and Ethernet WAN interfaces have to be up all the time, select No.
- Click Submit to save the settings.
- Restart the device.