Freeradius: Adding a gateway AP as a RADIUS client

When "WPA2-Enterprise with 802.1X authentication" is configured as the Association requirement on an SSID, each gateway AP in the network must be added as a RADIUS client on the RADIUS server. This permits the RADIUS server to accept RADIUS Access-request messages from the APs.

This KB explains how to add a new Client as a RADIUS client in freeRadius.