Dell PowerConnect 8100 CLI Reference Guide - Page 241

Command Mode Global Configuration mode User Guidelines Only one authentication method may be specified in the command. For the RADIUS authentication method, if the RADIUS server cannot be contacted, the supplicant fails authentication. The none method always allows access. the ias method utilizes the internal authentication server. The internal authentication server only supports the EAP-MD5 method. Example The following example configures 802.1x authentication to use no authentication. Absent any other configuration, this command allows all 802.1x users to pass traffic through the switch. console(config)# aaa authentication dot1x default none The following example configures 802.1x authentication to use a RADIUS server. A RADIUS server must be configured using the radius-server host auth command for the radius method to succeed. console(config)#aaa authentication dot1x default radius aaa authentication enable Use the aaa authentication enable command in Global Configuration mode to set authentication for accessing higher privilege levels. To return to the default configuration, use the no form of this command. Syntax aaa authentication enable {default | list-name} method1 [method2...] no aaa authentication enable {default | list-name} • default - Uses the listed authentication methods that follow this argument as the default list of methods, when using higher privilege levels. AAA Commands 241