Radius Server

RADIUS proxy servers are used for centralized administration. Remote Authentication Dial in User Service (RADIUS) is a networking protocol that provides centralized Authentication, Authorization, and Accounting (AAA) management for users that connect and use a network service for greater convenience. RADIUS is a server protocol that runs in the application layer, using UDP as transport. The Network switch with port-based authentication and all have a RADIUS client component that communicates with the RADIUS server. Clients connected to a port on the switch must be authenticated by the Authentication server before accessing services offered by the switch on the LAN. Use a RADIUS server to authenticate users trying to access a network by relaying Extensible Authentication Protocol over LAN (EAPOL) packets between the client and server. The RADIUS server maintains a user database, which contains authentication information. The switch passes information to the configured RADIUS server, which can authenticate a username and password before authorizing use of the network.

Items	Description
Index	Displays the index for which RADIUS server is displayed.
Server IP	Enter the RADIUS server IP address.
Authorized Port	Enter the authorized port number. The default port is 1812.
Accounting Port	Enter the name you wish to use to identify this switch.
Key String	Enter the key string used for encrypting all RADIUS communication between the device and the RADIUS server.
Timeout Reply	Enter the amount of time the device waits for an answer from the RADIUS server before switching to the next server. The default value is 3.
Retry	Enter the number of transmitted requests sent to the RADIUS server before a failure occurs. The default is 3.
Server Priority	Enter the priority for the RADIUS server.
Dead Timeout	Enter the amount of time that the RADIUS server is bypassed for service requests. The default value is 0.

Click the Apply button to accept the changes or the Cancel button to discard them.