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 mac-address-table multicast
show mac-address-table multicast
To display information about the multicast MAC address table, use the show mac-address-table
multicast command.
show mac-address-table multicast [count | {igmp-snooping [count]} | {user [count]} |
{vlan vlan_num}]
Syntax Description
Defaults This command has no default settings.
Command Modes Privileged EXEC mode
Command History
Usage Guidelines For the MAC address table entries that are used by the routed ports, the routed port name is displayed in
the “vlan” column not the the internal VLAN number.
Examples This example shows how to display multicast MAC address table information for a specific VLAN:
Switch# show mac-address-table multicast vlan 1
Multicast Entries
vlan mac address type ports
-------+---------------+-------+-------------------------------------------
1 ffff.ffff.ffff system Switch,Fa6/15
Switch#
This example shows how to display the number of multicast MAC entries for all VLANs:
Switch# show mac-address-table multicast count
MAC Entries for all vlans:
Multicast MAC Address Count: 141
Total Multicast MAC Addresses Available: 16384
Switch#
count (Optional) Displays the number of multicast entries.
igmp-snooping (Optional) Displays only the addresses learned by IGMP snooping.
user (Optional) Displays only the user-entered static addresses.
vlan vlan_num (Optional) Displays information for a specific VLAN only; valid values are from
1 to 4094.
Release Modification
12.1(8a)EW Support for this command was introduced on the Catalyst 4500 series switch.
12.1(12c)EW Added support for extended VLAN addresses.

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