Reference Guide

562 | Layer 2
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clear mac-address-table
z
Clear the MAC address table of all MAC address learned dynamically.
Syntax
clear mac-address-table {dynamic | sticky} {address mac-address | all | interface interface |
vlan vlan-id}
Parameters
Command Modes
EXEC Privilege
Command
History
mac-address-table aging-time
z
Specify an aging time for MAC addresses to be removed from the MAC Address Table.
Syntax
mac-address-table aging-time seconds
Parameters
Defaults
1800 seconds
Command Modes
CONFIGURATION
S6000
dynamic Enter the keyword dynamic to specify dynamically-learned MAC
addresses.
sticky Enter the keyword sticky to specify sticky MAC addresses.
address mac-address Enter the keyword address followed by a MAC address in
nn:nn:nn:nn:nn:nn format.
all Enter the keyword all to delete all MAC address entries in the MAC address
table.
interface interface
Enter the following keywords and slot/port or number information:
• For a 1-Gigabit Ethernet interface, enter the keyword
GigabitEthernet
followed by the slot/port information.
• For a Port Channel interface, enter the keyword
port-channel followed
by a number:
S-Series Range: 1-128
• For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet followed by the slot/port information.
• For a 40-Gigabit Ethernet interface, enter the keyword
fortyGigE
followed by the slot/port information.
vlan vlan-id Enter the keyword vlan followed by a VLAN ID number from 1 to 4094.
Version 9.0.2.0 Introduced on the S6000.
Version 8.3.11.1 Introduced on Z9000
Version
8.3.7.0
Introduced on the S4810.
Version 9.0.0.0 Added support for sticky MAC addresses.
S6000
seconds
Enter either zero (0) or a number as the number of seconds before MAC addresses are
relearned. To disable aging of the MAC address table, enter 0.
Default: 1800 seconds