LANCOM GS
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1224
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Chapter 4: Operation of Web- based Management
37
EN
In the following figure is the typical configuration, a single supplicant, an
authenticator and an authentication server. B and C is in the internal network,
D is Authentication server running RADIUS, switch at the central location acts
Authenticator connecting to PC A and A is a PC outside the controlled port,
running Supplicant PAE. In this case, PC A wants to access the services on
device B and C, first, it must exchange the authentication message with the
authenticator on the port it connected via EAPOL packet. The authenticator
transfers the supplicant’s credentials to Authentication server for verification.
If success, the authentication server will notice the authenticator the grant. PC
A, then, is allowed to access B and C via the switch. If there are two switches
directly connected together instead of single one, for the link connecting two
switches, it may have to act two port roles at the end of the link: authenticator
and supplicant, because the traffic is bi-directional.
