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 critical
dot1x critical
To enable the 802.1X critical authentication on a port, use the dot1x critical command. To return to the
default setting, use the no form of this command.
dot1x critical
no dot1x critical
Syntax Description This command has no keywords or variables.
Defaults Critical authentication is disabled.
Command Modes Interface configuration mode
Command History
Examples This example shows how to enable 802.1x critical authentication:
Switch(config-if)# dot1x critical
Switch(config-if)#
Related Commands
Release Modification
12.2(31)SG Support for this command was introduced on the Catalyst 4500 series switch.
Command Description
dot1x critical eapol Enables sending EAPOL success packets when a port is
critically authorized partway through an EAP exchange.
dot1x critical recovery delay Sets the time interval between port reinitializations.
dot1x critical vlan Assigns a critically authenticated port to a specific VLAN.
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