4-4 Understanding RADIUS SettingsRADIUS is a server for remote user authentication and accounting. It can be used on anynetwork that needs a centralized authentication and/or accounting service for itsWorkstations.From the system Setup, click Radius Settings, the RADIUS Settings will display as below.You will also have to fill in the following Radius server settings:• Primary Radius Server IP AddressThis field is required. Enter the IP address of the Radius Server on your LAN or WAN..• Secondary Radius Server IP AddressThis field is optional. Enter the IP address of the Secondary Radius Server on your LAN.• Radius PortEnter the port number used for connections to the Radius Server.• Radius Shared KeyEnter the desired value for the Radius shared key. This key enables the AP to log in tothe Radius server and must match the value used on the Radius server.Figure: 4-3 AP Radius settingswww.lanpro.com