Technical Tip: Change/specify the outgoing interface for DNS traffic in GUI

By default, the interface selection is auto in DNS configuration. It can be changed through CLI to a specific interface or SD-WAN.

With the help of the below article, it can be changed:

How to specify outgoing interface for loc... - Fortinet Community

If the user is not an expert with the CLI and wants to change through GUI then follow the below steps:

• Navigate to System -> Feature Visibility and enable the Local Out Routing as per the below snapshot.

• Go to Network -> Local Out Routing -> System, select System DNS, and then specify the outgoing interface.

• Once done, the local DNS traffic will be sent through a particular interface that is configured.

The same can be verified through CLI with the below command:

show full-configuration system dns