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1x component protocols – Allied Telesis AlliedWare Plus Operating System Version 5.4.4C (x310-26FT,x310-26FP,x310-50FT,x310-50FP) User Manual

Page 1061

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802.1X Introduction and Configuration

Software Reference for x310 Series Switches

C613-50046-01 REV A

AlliedWare Plus

TM

Operating System - Version 5.4.4C

40.3

802.1X component protocols

There are two protocols involved in the authentication conversation:

EAPoL exchanged between the supplicant and authenticator.

«

EAPoL—Extensible Authentication Protocol over LAN— is the protocol defined in
IEEE802.1X.

RADIUS exchanged between the authenticator and authentication server.

«

RADIUS has received specific extensions to interoperate with EAPoL.

The diagram below illustrates where EAPoL and RADIUS protocols are used in the
authentication conversation:

Switch

RADIUS

Server

Supplicants

Authenticator

Authentication Server

RADIUS

EAPoL