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xStack DES-3800 Series Layer 3 Stackable Fast Ethernet Managed Switch
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To reauthenticate ports, first choose the range of ports in the From and To field. Then the user must specify the MAC address to
be reauthenticated by entering it into the MAC Address field and checking the corresponding check box. To begin the
reauthentication, click Apply.
Authentication RADIUS Server
The RADIUS feature of the Switch allows you to facilitate centralized user administration as well as providing protection against
a sniffing, active hacker. The Web Manager offers three windows.
Click Security > 802.1x > Authentication RADIUS Server to open the Authentic RADIUS Server window shown below:
Figure 11- 18. Authentic RADIUS Server window
The window is divided into two main sections. The top section allows the administrator to configure the RADIUS Server settings.
The parameters used are explained below:
Parameter Description
Succession
Choose the desired RADIUS server to configure: First, Second or Third.
RADIUS Server
Set the RADIUS server IP.
Auth UDP Port
Set the RADIUS authentic server(s) UDP port. The default port is 1812.
Accounting Port
Set the RADIUS account server(s) UDP port. The default port is 1813.
Key
Set the key the same as that of the RADIUS server.
Confirm Key
Confirm the shared key is the same as that of the RADIUS server.
Status
This allows you to set the RADIUS Server as Valid (Enabled) or Invalid (Disabled).
The bottom of the window displays the settings of the RADIUS servers that are currently setup on the system.