PLANET ISW-1022MPT - Manual (Page 119)

User’s Manual of ISW-1022M Series and ISW-1033MT
5.7 Security
In Security page, it has three parts of setting
„ 802.1x/Radius,
„ Static MAC address,
„ MAC filter
We will describe the configure detail in following.
5.7.1 Security—802.1X/Radius Configuration
802.1x is an IEEE authentication specification which prevents the client from accessing a wireless access point or wired
switch until it provides authority, like the user name and password that are verified by an authentication server (such as
RADIUS server).
5.7.1.1 Understanding IEEE 802.1X Port-Based Authentication
The IEEE 802.1X standard defines a client-server-based access control and authentication protocol that restricts
unauthorized clients from connecting to a LAN through publicly accessible ports. The authentication server authenticates
each client connected to a switch port before making available any services offered by the switch or the 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 5-63 802.1x device role
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