Avaya SIP Software 3.2 for 1200 Series Manual do Utilizador Página 222

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Figure 41: 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 42: EAP configuration menu
Certificate-based authentication
222 SIP Software for Avaya 1200 Series IP Deskphones-Administration January 2012
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