Dell PowerConnect 8100 CLI Reference Guide - Page 240

aaa authorization ip http authentication aaa authorization network default radius aaa ias-user username aaa new-model ip https authentication login authentication password (aaa IAS User Configuration) show authentication methods show users accounts show users login-history username aaa authentication dot1x default Use the aaa authentication dot1x default command in Global Configuration mode to specify an authentication method for 802.1x clients. Use the no form of the command to return the authentication method to its default settings. aaa authentication dot1x default does not support the local method. This is true for all switches using the 4.1.x.x or later firmware. Syntax aaa authentication dot1x default {radius| ias|local|none} no aaa authentication dot1x default Parameter Description Parameter radius ias local none Description Uses the list of all authentication servers for authentication. Uses the internal authentication server. Only EAP-MD5 authentication is supported for the internal authentication server. Use the local authentication method. Uses no authentication. Default Configuration No default authentication method is defined. 240 AAA Commands