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D-Link DES-3250TG Standalone Layer 2 Switch
Figure 7- 59. The Authentication Server
Authenticator
The Authenticator (the Switch) is an intermediary between the Authentication Server and the Client. The Authenticator serves
two purposes when utilizing 802.1x. The first purpose is to request certification information from the Client through EAPOL
packets, which is the only information allowed to pass through the Authenticator before access is granted to the Client. The
second purpose of the Authenticator is to verify the information gathered from the Client with the Authentication Server, and
to then relay that information back to the Client.
Three steps must be implemented on the Switch to properly configure the Authenticator.
1. The 802.1x State must be Enabled. (Configuration / Advanced Settings)
2. The 802.1x settings must be implemented by port (Configuration / Port Access Entity / Configure Authenticator)
3. A RADIUS server must be configured on the Switch. (Configuration / Port Access Entity / RADIUS Server)
Figure 7- 60. The Authenticator
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