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Dell Command Line Reference Guide for the S4048–ON System 9.14.2.8

show mac-address-table

Display the MAC address table.

Syntax
show mac-address-table [address mac-address | interface interface | vlan vlan-id] [aging-time] [dynamic | static] [count [vlan vlan-id] [interface interface-type [slot [/port[/subport]]]]]
Parameters
address mac-address
(OPTIONAL) Enter the keyword address then a MAC address in the nn:nn:nn:nn:nn:nn format to display information on that MAC address.
dynamic
(OPTIONAL) Enter the keyword dynamic to display only those MAC addresses the switch dynamically learns. Optionally, you can also add one of these combinations: address/mac-address, interface/interface, or vlan vlan-id.
static
(OPTIONAL) Enter the keyword static to display only those MAC addresses specifically configured on the switch. Optionally, you can also add one of these combinations: address/mac-address, interface/interface, or vlan vlan-id.
aging-time
Enter the keyword aging-time to display only aging-time information.
interface interface
(OPTIONAL) Enter the keyword interface and the interface information:
  • For a port channel interface, enter the keywords port-channel then a number.
  • For a 10-Gigabit Ethernet interface, enter the keyword TenGigabitEthernet then the slot/port[/subport] information.
  • For a 40-Gigabit Ethernet interface, enter the keyword fortyGigE then the slot/port information.
interface interface-type
(OPTIONAL) Instead of entering the keyword interface then the interface type, slot/port[/subport] information, as above, you can enter the interface type, then just a slot number.
vlan vlan-id
(OPTIONAL) Enter the keyword vlan then the VLAN ID to display the MAC address assigned to the VLAN. The range is 1 to 4094.
count
(OPTIONAL) Enter the keyword count, then optionally, by an interface or VLAN ID, to display total or interface-specific static addresses, dynamic addresses, and MAC addresses in use.
Command Modes
  • EXEC
  • EXEC Privilege
Command History

This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC Networking OS Command Line Reference Guide.

Version
Description
9.10(0.1)
Introduced on the S6010-ON and S4048T-ON.
9.10(0.0)
Introduced on the S3148.
9.10(0.0)
Introduced on the S6100–ON.
9.8(2.0)
Introduced on the S3100 series.
9.8(1.0)
Introduced on the Z9100–ON.
9.8(0.0P5)
Introduced on the S4048-ON.
9.8(0.0P2)
Introduced on the S3048-ON.
9.7(0.0)
Introduced on the S6000-ON.
9.2(1.0)
Introduced on the Z9500.
9.0.2.0
Introduced on the S6000.
8.3.19.0
Introduced on the S4820T.
8.3.11.1
Introduced on the Z9000.
8.3.12.0
Updated the output.
8.5.1.0
Added support for 4-port 40G line cards on the E-Series.
8.3.7.0
Introduced on the S4810.
7.6.1.0
Introduced on the S-Series.
7.5.1.0
Introduced on the C-Series.
pre-6.2.1.1
Introduced on the E-Series.
Usage Information
The following describes the show mac-address-table command shown in the following example.
Column Heading
Description
VlanId
Displays the VLAN ID number.
Mac Address
Displays the MAC address in nn:nn:nn:nn:nn:nn format.
Type
Lists whether the MAC address was manually configured (Static), learned dynamically (Dynamic), or associated with a specific port (Sticky).
Interface
Displays the interface type and slot/port[/subport] information. The following abbreviations describe the interface types:
  • Po = port channel
  • Te = ten-gigabit Ethernet
  • Fo = forty-gigabit Ethernet
State
Lists if the MAC address is in use (Active) or not in use (Inactive).
Example
DellEMC(conf)# do show mac-address-table
Codes: *N - VLT Peer Synced MAC
VlanId    Mac Address          Type         Interface       State
2     00:00:00:00:00:01      Dynamic (N)    Po 128         Active
2     00:00:00:00:00:02      Dynamic (N)    Po 10           Active
2     00:00:00:00:00:03      Dynamic            Po 100         Active
2     00:00:00:00:00:04      Dynamic            Po 10           Active
Usage Information
The following describes the show mac-address-table count command shown in the following example.
Line Beginning With
Description
MAC Entries...
Displays the number of MAC entries learned per VLAN.
Dynamic Address...
Lists the number of dynamically learned MAC addresses.
Static Address...
Lists the number of user-defined MAC addresses.
Total MAC...
Lists the total number of MAC addresses the switch uses.
Example (Count)
DellEMC# show mac-address-table count
MAC Entries for all vlans :
Dynamic Address Count :               110
Static Address (User-defined) Count : 0
Sticky Address Count :                0
Total Synced Mac from Peer(N):        100
Total MAC Addresses in Use:           110
DellEMC#
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