If you are using a Cisco ACS 5.x server, after you have configured the KX III for RADIUS authentication, complete the following steps on the Cisco ACS 5.x server.
Note: The following steps include the Cisco menus and menu items used to access each page. Please refer to your Cisco documentation for the most up to date information on each step and more details on performing them.
Add the KX III as a AAA Client (Required) - Network Resources > Network Device Group > Network Device and AAA Clients