2-41
Catalyst 3750 Switch Command Reference
OL-8552-07
Chapter 2 Catalyst 3750 Switch Cisco IOS Commands
authentication timer
authentication timer
Use the
authentication timer
interface configuration command to configure the timeout and
reauthentication parameters for an 802.1x-enabled port.
authentication timer
{{[
inactivity
|
reauthenticate
] [
server
|
am
]} {
restart
value
}}
no authentication timer
{{[
inactivity
|
reauthenticate
] [
server
|
am
]} {
restart
value
}}
Syntax Description
Defaults
The
inactivity
,
server
, and
restart
keywords are set to off. The
reauthenticate
keyword is set to one
hour.
Command Modes
Interface configuration
Command History
Usage Guidelines
If a timeout value is not configured, an 802.1x session stays authorized indefinitely. No other host can
use the port, and the connected host cannot move to another port on the same switch.
Examples
This example shows how to set the authentication inactivity timer to 60 seconds:
Switch(config)#
authentication timer inactivity 60
This example shows how to set the reauthentication timer to 120 seconds:
Switch(config)#
authentication timer restart 120
You can verify your settings by entering the
show authentication
privileged EXEC command.
inactivity
Interval in seconds after which the client is unauthorized if there is no
activity.
reauthenticate
Time in seconds after which an automatic re-authentication attempt starts.
server
Interval in seconds after which an attempt is made to authenticate an
unauthorized port.
restart
Interval in seconds after which an attempt is made to authenticate an
unauthorized port.
value
Enter a value between 1 and 65535 (in seconds).
Release
Modification
12.2(50)SE
This command was introduced.
