H.4 DNS Inbound Fail Over
NOTE: Before proceeding, please ensure that both WAN1 and WAN2 are properly configured according to the settings provided by your ISP. If not, please refer to Chapter 4.2.2.1 ISP Settings for details on how to configure your WAN ports.
Step 1: Go to Configuration > Dual WAN > General Settings. Select the Fail Over radio button and configure your fail over policy.