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MAC address table commands
This document covers the configuration of unicast MAC address entries, including static, dynamic,
blackhole, and multiport unicast MAC address entries. For more information about configuring static
multicast MAC address entries, see IGMP snooping in IP Multicast Configuration Guide.
display mac-address
Use display mac-address to display MAC address entries.
Syntax
display mac-address [ mac-address [ vlan vlan-id ] | [ [ dynamic | static ]
[ interface interface-type interface-number ] | blackhole | multiport ]
[ vlan vlan-id ] [ count ] ]
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
mac-address: Specifies a MAC address in the format of H-H-H. When entering a MAC address,
you can omit the leading zeros in each H section. For example, enter f-e2-1 for 000f-00e2-0001.
vlan vlan-id: Specifies a VLAN by its ID in the range of 1 to 4094.
dynamic: Displays dynamic MAC address entries.
static: Displays static MAC address entries.
interface interface-type interface-number: Specifies an interface by its type and
number.
blackhole: Displays blackhole MAC address entries.
multiport: Displays multiport unicast MAC address entries.
count: Displays only the number of MAC address entries that match all entry attributes you specify
in the command. Detailed information about MAC address entries is not displayed. For example, you
can use the
display mac-address vlan 20 dynamic count command to display the number
of dynamic entries for VLAN 20. If you do not specify an entry attribute, the command displays the
number of entries in the MAC address table. If you do not specify this keyword, the command
displays detailed information about the specified MAC address entries.
Usage guidelines
A MAC address entry includes a destination MAC address, an outgoing interface, and a VLAN ID.
If you do not specify any parameters, the command displays all MAC address entries.
This command displays dynamic MAC address entries for an aggregate interface only when the
aggregate interface has a minimum of one Selected member port.
Multiport unicast MAC address entries have no impact on the MAC address learning. When
receiving a frame whose source MAC address matches a multiport unicast entry, the device can still
learn the MAC address of the frame and generate a dynamic entry. However, the generated dynamic
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