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Catalyst 3750-X and 3560-X Switch Software Configuration Guide
OL-25303-03
Chapter 1 Configuring IEEE 802.1x Port-Based Authentication
Understanding IEEE 802.1x Port-Based Authentication
Authentication Manager CLI Commands
The authentication-manager interface-configuration commands control all the authentication methods,
such as 802.1x, MAC authentication bypass, and web authentication. The authentication manager
commands determine the priority and order of authentication methods applied to a connected host.
The authentication manager commands control generic authentication features, such as host-mode,
violation mode, and the authentication timer. Generic authentication commands include the
authentication host-mode, authentication violation, and authentication timer interface
configuration commands.
802.1x-specific commands begin with the dot1x keyword. For example, the authentication
port-control auto interface configuration command enables authentication on an interface. However,
the dot1x system-auth-control global configuration command only globally enables or disables 802.1x
authentication.
Note If 802.1x authentication is globally disabled, other authentication methods are still enabled on that port,
such as web authentication.
The authentication manager commands provide the same functionality as earlier 802.1x commands.
Table 1-2 Authentication Manager Commands and Earlier 802.1x Commands
The authentication manager
commands in Cisco IOS
Release 12.2(50)SE or later
The equivalent 802.1x commands in
Cisco IOS Release 12.2(46)SE and
earlier Description
authentication control-direction
{both | in}
dot1x control-direction {both |
in}
Enable 802.1x authentication with the
wake-on-LAN (WoL) feature, and configure the
port control as unidirectional or bidirectional.
authentication event dot1x auth-fail vlan
dot1x critical (interface
configuration)
dot1x guest-vlan6
Enable the restricted VLAN on a port.
Enable the inaccessible-authentication-bypass
feature.
Specify an active VLAN as an 802.1x guest
VLAN.
authentication fallback
fallback-profile
dot1x fallback fallback-profile Configure a port to use web authentication as a
fallback method for clients that do not support
802.1x authentication.
authentication host-mode
[multi-auth | multi-domain |
multi-host | single-host]
dot1x host-mode {single-host |
multi-host | multi-domain}
Allow a single host (client) or multiple hosts on
an 802.1x-authorized port.
authentication order dot1x mac-auth-bypass Enable the MAC authentication bypass feature.
authentication periodic dot1x reauthentication Enable periodic re-authentication of the client.
authentication port-control {auto
| force-authorized | force-un
authorized}
dot1x port-control {auto |
force-authorized |
force-unauthorized}
Enable manual control of the authorization state of
the port.
authentication timer dot1x timeout Set the 802.1x timers.
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