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 open
authentication open
To enable open access on this port, use the authentication open command in interface configuration
mode. To disable open access on this port, use the no form of this command.
authentication open
no authentication open
Syntax Description This command has no arguments or keywords.
Command Default Disabled.
Command Modes Interface configuration mode
Command History
Usage Guidelines Open Access allows clients or devices to gain network access before authentication is performed.
You can verify your settings with the show authentication privileged EXEC command.
This command overrides the authentication host-mode session-type open global configuration mode
command for the port only.
This command operates per-port rather than globally.
Examples The following example shows how to enable open access to a port:
Switch(config-if)# authentication open
Switch(config-if)#
The following example shows how to enable open access to a port:
Switch(config-if)# no authentication open
Switch(config-if)#
Related Commands
Release Modification
12.2(50)SG Support for this command was introduced.
Command Description
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