- Go to User & Authentication > RADIUS Servers and click Create New.
- Enter a name for the RADIUS server.
- For Authentication method, select Default.
- In IP/Name, enter the IP address or DNS name of the RADIUS server.
- In Secret, enter the shared secret key.
The secret is the same as the one used when setting up the RADIUS client, here, FortiGate.
- Click Test Connectivity to test the connection to the server, and ensure that the connection status is Successful.
- Click OK to save changes.