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
dot1x re-authentication
dot1x re-authentication
To enable the periodic reauthentication of the client, use the dot1x re-authentication command. To
return to the default setting, use the no form of this command.
dot1x re-authentication
no dot1x re-authentication
Syntax Description This command has no arguments or keywords.
Defaults The periodic reauthentication is disabled.
Command Modes Interface configuration mode
Command History
Usage Guidelines You configure the amount of time between the periodic reauthentication attempts by using the dot1x
timeout re-authperiod global configuration command.
Examples This example shows how to disable the periodic reauthentication of the client:
Switch(config-if)# no dot1x re-authentication
Switch(config-if)#
This example shows how to enable the periodic reauthentication and set the number of seconds between
the reauthentication attempts to 4000 seconds:
Switch(config-if)# dot1x re-authentication
Switch(config-if)# dot1x timeout re-authperiod 4000
Switch#
You can verify your settings by entering the show dot1x privileged EXEC command.
Related Commands
Release Modification
12.1(12c)EW Support for this command was introduced on the Catalyst 4500 series switch.
Command Description
dot1x timeout Sets the reauthentication timer.
show dot1x Displays dot1x 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