3com 3CDSG10PWR Betriebsanweisung

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Defining Port-Based Authentication (802.1X)
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Defining Port-Based 
Authentication 
(802.1X)
Port-based authentication authenticates users on a per-port basis via an 
external server. Only authenticated and approved system users can 
transmit and receive data. Ports are authenticated via the RADIUS server 
using the Extensible Authentication Protocol (EAP). Port-based 
authentication includes:
Authenticators — Specifies the device port which is authenticated 
before permitting system access.
Supplicants — Specifies the host connected to the authenticated 
port requesting to access the system services.
Authentication Server — Specifies the server that performs the 
authentication on behalf of the authenticator, and indicates whether 
the supplicant is authorized to access system services. 
Port-based authentication creates two access states:
Controlled Access — Permits communication between the 
supplicant and the system, if the supplicant is authorized. 
Uncontrolled Access — Permits uncontrolled communication 
regardless of the port state.
This section includes the following topics: