ZyXEL Communications ES3500 Series New Connection, Access Request, Identity Request, Access Challenge, Login Credentials, Challenge Request, Challenge Response, Authentication Reply

Chapter 18 Port Authentication

provides the login credentials, the Switch sends an authentication request to a RADIUS server. The RADIUS server validates whether this client is allowed access to the port.

Figure 79 IEEE 802.1x Authentication Process

1
	New Connection	2
	Identity Request
3			4
	Login Credentials
		6		Authentication Request		5
					Access Challenge
	Challenge Request
7			8
	Challenge Response
					Access Request
						9
					Authentication Reply
	Session Granted/Denied

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

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	ES3500 Series User’s Guide