Cisco Catalyst 4500 Series Command Reference Guide

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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
authentication periodic
authentication periodic
To enable reauthentication for this port, use the authentication periodic command in interface
configuration mode. To disable reauthentication for this port, use the no form of this command.
authentication periodic
no authentication periodic
Syntax Description This command has no arguments or keywords.
Command Default Disabled.
Command Modes Interface configuration mode
Command History
Usage Guidelines The authentication periodic command replaces the following dot1x command, which is deprecated in
Cisco IOS Release 12.2(50)SG and later releases:
[no] dot1x reauthentication
The reauthentication period can be set using the authentication timer command.
You can verify your settings by entering the show authentication privileged EXEC command.
Examples The following example shows how to enable reauthentication for this port:
Switch(config-if)# authentication reauthentication
Switch(config-if)#
The following example shows how to disable reauthentication for this port:
Switch(config-if)# no authentication reauthentication
Switch(config-if)#
Related Commands
Release Modification
12.2(50)SG Support for this command was introduced.
Command Description
authentication timer Configures the authentication timer.
show authentication Displays Authentication Manager information.

Cisco Catalyst 4500 Series Specifications

General

Series	Catalyst 4500 Series
Category	Switch
Layer Support	Layer 2, Layer 3
Form Factor	Modular chassis
Stackable	No
Chassis Slots	3, 6, 7, 10
Power Supply Options	AC, DC
Redundancy	Power supply, Supervisor engine
Network Management	Cisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
Features	Security, QoS
Port Density	Up to 384 ports per chassis
Security Features	802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine	8-E