Dell M6220 User Configuration Manual page 501

NOTE:
To enable 802.1X Monitor Mode to help troubleshoot authentication issues,
use the dot1x system-auth-control monitor command in Global Configuration
mode. To view 802.1X authentication events and information, use the show dot1x
authentication-history {<
Privileged EXEC mode. To clear the history, use the clear dot1x authentication-
history command.
Configuring Additional 802.1X Interface Settings
Beginning in Privileged EXEC mode, use the following commands to
configure 802.1X interface settings such as the reauthentication period and
switch-to-client retransmission time.
Command
configure
interface
interface
dot1x reauthentication
dot1x timeout re-
seconds
authperiod
dot1x timeout server-
seconds
timeout
dot1x timeout tx-period
seconds
dot1x timeout quiet-
seconds
period
interface
> | all} [failed-auth-only] [detail] command in
Purpose
Enter Global Configuration mode.
Enter interface configuration mode for the specified
interface
interface. The
and number, for example gigabitethernet 1/0/3.
You can also specify a range of interfaces with the interface
range command, for example, interface range
gigabitethernet 1/0/8-12 configures interfaces 8, 9, 10, 11,
and 12.
Enable periodic re-authentication of the client.
Set the number of seconds between re-authentication
attempts.
Set the time that the switch waits for a response from the
authentication server.
Set the number of seconds that the switch waits for a
response to an Extensible Authentication Protocol (EAP)-
request/identity frame from the client before resending the
request.
Set the number of seconds that the switch remains in the
quiet state following a failed authentication exchange (for
example, the client provided an invalid password).
Configuring Port and System Security
variable includes the interface type
501