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Cisco Catalyst 4500 Series Command Reference Guide

Cisco Catalyst 4500 Series
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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
OL-27596 -01
Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
dot1x mac-auth-bypass
dot1x mac-auth-bypass
To enable the 802.1X MAC address bypassing on a switch, use the dot1x mac-auth-bypass command.
Use the no form of this command to disable MAC address bypassing.
dot1x mac-auth-bypass [eap]
no dot1x mac-auth-bypass [eap]
Syntax Description
Defaults There is no default setting.
Command Modes Interface configuration mode
Command History
Usage Guidelines The removal of the dot1x mac-auth-bypass configuration from a port does not affect the authorization
or authentication state of a port. If the port is in unauthenticated state, it remains unauthenticated, and if
MAB is active, the authentication will revert back to the 802.1X Authenticator. If the port is authorized
with a MAC address, and the MAB configuration is removed the port remains authorized until
re-authentication takes place. When re-authentication occurs the MAC address is removed in favor of an
802.1X supplicant, which is detected on the wire.
Examples This example shows how to enable EAP MAC address authentication:
Switch(config-if)# dot1x mac-auth-bypass
Switch(config-if)#
eap (Optional) Specifies using EAP MAC address authentication.
Release Modification
12.2(31)SG Support for this command was introduced on the Catalyst 4500 series switch.

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Cisco Catalyst 4500 Series Specifications

General IconGeneral
SeriesCatalyst 4500 Series
CategorySwitch
Layer SupportLayer 2, Layer 3
Form FactorModular chassis
StackableNo
Chassis Slots3, 6, 7, 10
Power Supply OptionsAC, DC
RedundancyPower supply, Supervisor engine
Network ManagementCisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
FeaturesSecurity, QoS
Port DensityUp to 384 ports per chassis
Security Features802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine8-E

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