Configuring FortiGate as a RADIUS client

In Authentication > RADIUS Service > Clients, click Create New.
Enter a unique name for the RADIUS client and the IP address from which it will be connecting.
This is the IP address of the RADIUS client itself, here, FortiGate, not the IP address of the end-user's device.
Enter a password for Secret.
The secret is a pre-shared secure password that the device, here, FortiGate, uses to authenticate to FortiAuthenticator.
Click OK to save changes to the RADIUS client.

To configure FortiGate as a RADIUS client:

In Authentication > RADIUS Service > Clients, click Create New.

Enter a unique name for the RADIUS client and the IP address from which it will be connecting.

This is the IP address of the RADIUS client itself, here, FortiGate, not the IP address of the end-user's device.

Enter a password for Secret.

The secret is a pre-shared secure password that the device, here, FortiGate, uses to authenticate to FortiAuthenticator.

Click OK to save changes to the RADIUS client.