Users Guide

376 Authentication, Authorization, and Accounting
Configuring Additional 802.1X Interface Settings
Use the following commands to configure 802.1X interface settings such as
the reauthentication period and switch-to-client retransmission time.
CTRL + Z Exit to Privileged Exec mode.
show dot1x View the current 802.1X status.
show authentication
clients {all |
interface }
View information about 802.1X clients that have
successfully authenticated and are connected to the
switch. The
interface variable includes the interface type
and number.
show dot1x users
[username
username ]
View the 802.1X authenticated users for the switch.
NOTE: To enable 802.1X Monitor Mode to help troubleshoot authentication issues,
use the authentication monitor command in Global Configuration mode. To view
802.1X authentication events and information, use the show authentication
authentication-history {
interface | all} [failed-auth-only] [detail] command. To clear
the history, use the clear authentication authentication-history command in
Privileged Exec mode.
Command Purpose
configure Enter Global Configuration mode.
interface
interface Enter interface configuration mode for the specified
interface. The
interface variable includes the interface type
and number, for example tengigabitethernet 1/0/3.
A range of interfaces can be specified using the interface
range command. For example, interface range
tengigabitethernet 1/0/8-12 configures interfaces 8, 9, 10,
11, and 12.
authentication periodic Enable periodic re-authentication of the client.
authentication timer
reauthenticate
seconds
Set the number of seconds between re-authentication
attempts.
Command Purpose