Interlogix NS3500-28T-4S User Manual - Manual (Page 222)

222
LAN.
Until the client is authenticated, 802.1X access control allows only Extensible Authentication Protocol over LAN
(EAPOL) traffic through the port to which the client is connected. After authentication is successful, normal traffic can
pass through the port.
This section includes this conceptual information:
 Device Roles
 Authentication Initiation and Message Exchange
 Ports in Authorized and Unauthorized States
 Device Roles
With 802.1X port-based authentication, the devices in the network have specific roles as shown below.
Figure 4-9-1
 Client —the device (workstation) that requests access to the LAN and switch services and responds to
requests from the switch. The workstation must be running 802.1X-compliant client software such as that
offered in the Microsoft Windows XP operating system. (The client is the supplicant in the IEEE 802.1X
specification.)