Specifications

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Catalyst 4500 Se ries S wit ch C is co IO S C om mand R efer ence —Re lease I OS XE 3 .3.0 XO(1 5.1 (1)XO)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
show mac-address-table multicast
show mac-add ress-table mult icast
To display information about the multicast MAC address table, use the show mac -addr ess-ta ble
multicast command.
show mac- addres s-t able m ultica st [cou nt | {igmp-snooping [count]} | {user [count]} |
{vlan vlan_num}]
Syntax Description
Defaults This command has no default settings.
Command Modes Privileged EXEC mode
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 ta ble 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#
Related Commands
count (Optional) Displays the number of multicast entries.
igmp-snooping (Option al) Displays only the add resses learned by IGMP snoopi ng.
user (Optional) Displays only the user-entered static addresses.
vlan vlan_num (Optional) Displays infor mation for a specific VLAN only; valid values are from
1 to 4094.
Command Description
show mac-address-table address Displays the information about the MAC-address table.
show mac-address-table aging- time Displays MAC address table aging information.
show mac-address-table count Displays the number of entries currently in the MAC
address t able.
show mac-address-table dynamic Displays the dynamic MAC address table entries only.