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
show mab
show mab
To display MAC authentication bypass (MAB) information, use the show mab command in EXEC
mode.
show mab {interface interface interface-number | all} [detail]
Syntax Description
Command Default None.
Command Modes Privileged EXEC mode
Command History
Usage Guidelines Table 2-36 lists the fields in the show mab command.
Table 2-37 lists the possible values for the state of the MAB state machine.
interface interface Interface type; possible valid value is gigabitethernet.
interface-number Module and port number.
all Displays MAB information for all interfaces.
detail (Optional) Displays detailed MAB information.
Release Modification
12.2(50)SG This command was introduced.
Table 2-36 show mab Command Output
Field Description
Mac-Auth-Bypass MAB state
Inactivity Timeout Inactivity timeout
Client MAC Client MAC address
MAB SM state MAB state machine state
Auth Status Authorization status
Table 2-37 MAB State Machine Values
State State Level Description
Initialize Intermediate The state of the session when it initializes
Acquiring Intermediate The state of the session when it is obtaining the
client MAC address

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