ZyXEL Communications XGS-4526 - Manual (Page 168)

Chapter 18 Port Authentication
XGS-4526 User’s Guide
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request to a RADIUS server. The RADIUS server validates whether this client is
allowed access to the port.
Figure 83 IEEE 802.1x Authentication Process
18.1.2 MAC Authentication
MAC authentication works in a very similar way to IEEE 802.1x authentication.
The main difference is that the Switch does not prompt the client for login
credentials. The login credentials are based on the source MAC address of the
New Connection
Authentication Request
Authentication Reply
1
4
5
Login Credentials
Login Info Request
3
2
Session Granted/Denied