Security: 802.1X Authentication
802.1X Configuration Through the GUI
Cisco 500 Series Stackable Managed Switch Administration Guide 502
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Viewing Authenticated Hosts
To view details about authenticated users:
STEP 1 Click Security > 802.1X/MAC/Web Authentication > Authenticated Hosts.
This page displays the following fields:
• User Name—Supplicant names that were authenticated on each port.
• Port—Number of the port.
• Session Time (DD:HH:MM:SS)—Amount of time that the supplicant was 
logged on the port. 
• Authentication Method—Method by which the last session was 
authenticated. 
• Authentication Server—RADIUS server. 
• MAC Address—Displays the supplicant MAC address.
• VLAN ID—Port’s VLAN.
Locked Clients
To view clients who have been locked out because of failed login attempts and to 
unlock a locked client:
STEP 1 Click Security > 802.1X/MAC/Web Authentication > Locked Client.
The following fields are displayed:
• Interface—Port that is locked.
• MAC Address—Displays the current port authorization state. If the state is 
Authorized, the port is either authenticated or the Administrative Port 
Control is Force Authorized. Conversely, if the state is Unauthorized, then 
the port is either not authenticated or the Administrative Port Control is 
Force Unauthorized.
• Remaining Time(Sec)—The time remaining for the port to be locked.
STEP  2 Select a port.
STEP  3 Click Unlock.