Figure 39: 802.1x and EAP network architecture
IEEE 802.1x defines three roles:
• a supplicant—an entity that requires access to the network for use of its services.
• an authenticator—the network entry point to which the supplicant physically connects, typically
a Layer 2 switch. The authenticator acts as a proxy between the supplicant and the
authentication server and controls the access to the network based on the authentication
status of the supplicant.
• an authentication server—typically a RADIUS server; performs the actual authentication of the
supplicant.
There are three supported EAP methods:
• EAP-MD5
• EAP-TLS
• EAP-PEAP/MD5
The administrator selects the EAP method from the EAP configuration menu, as shown in the
following figure:
Figure 40: EAP configuration menu
Certificate-based authentication
266 SIP Software for Avaya 1200 Series IP Deskphones-Administration March 2015
Comments? infodev@avaya.com
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