Configure up to three ExtremeGuest servers. To
                configure an ExtremeGuest server. Take the following steps:
        
- Go to  and select Add.
 - Configure the following
                    parameters:
                    - IP Address
 - Valid IP address of
                                the ExtremeGuest server.
 - Name
 - Name of the ExtremeGuest server.
 - FQDN
 - Fully-qualified
                                domain name of the ExtremeGuest server.
 - Authentication Timeout Duration (Seconds)
 - Determines a timeout value, in seconds, for the RADIUS server
        connection.
 - Authentication Retry Count
 - Determines the number of times ExtremeCloud IQ
     Controller will
        attempt to authenticate an end user.
 - Authentication Client UDP Port
 - User Datagram Protocol (UDP) port number used for client
        authentication. UDP needs only one port for full-duplex, bidirectional traffic.
 - Shared Secret
 - The password that is
                                used to validate the connection between ExtremeCloud IQ
     Controller and the ExtremeGuest server.
- Mask
 - Determines if the Shared Secret or password value is displayed on the user
        interface. Enable Mask to display dots in place of the Shared Secret or password value. To
        display the password characters, clear the Mask check box.
 
 - Callback User Name
 - User ID that Callback
                                Manager uses to access the ExtremeGuest
                                server.
 - Callback Password
 - The password that
                                Callback Manager uses to access the ExtremeGuest
                                server. The minimum password length is 6 characters.
- Mask
 - Determines if the Shared Secret or password value is displayed on the user
        interface. Enable Mask to display dots in place of the Shared Secret or password value. To
        display the password characters, clear the Mask check box.