Reference Guide

802.1x Commands 437
802.1x Commands
aaa authentication dot1x
The aaa authentication dot1x Global Configuration mode command specifies one or more
authentication, authorization, and accounting (AAA) methods for use on interfaces running
IEEE 802.1X. To return to the default configuration, use the no form of this command.
Syntax
aaa authentication dot1x default method1 [ method2 ...]
no aaa authentication dot1x default
• method1 [ method2 ...] — At least one from the following table:
Default Configuration
No authentication method is defined.
Command Mode
Global Configuration mode
User Guidelines
• Additional methods of authentication are used only if the previous method returns an error
and not if the request for authentication is denied. To ensure that authentication succeeds
even if all methods return an error, specify
none as the final method in the command line.
• The RADIUS server must support MD-5 challenge and EAP type frames.
• The device accepts EAP frames with a priority tag and also accepts EAP packets with
VLAN tags.
Keyword Description
Radius Uses the list of all RADIUS servers for
authentication
None Uses no authentication