Reference Guide

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Layer 2
This chapter describes commands to configure Layer 2 features.
This chapter contains the following sections:
• MAC Addressing Commands
• Virtual LAN (VLAN) Commands
• Far-End Failure Detection (FEFD)
The VLAN commands are supported on all the S4820T platform.
MAC Addressing Commands
The following commands are related to configuring, managing, and viewing MAC addresses.
clear mac-address-table
Clear the MAC address table of all MAC address learned dynamically.
S4820T
Syntax
clear mac-address-table {dynamic | sticky }{address mac-address
| all | interface interface | vlan vlan-id}
Parameters
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 then 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 then the slot/port information.
• For a Port Channel interface, enter the keywords port-
channel
then a number. The range is from 1 to 128.
• For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet then the slot/port information.
• For a 40-Gigabit Ethernet interface, enter the keyword
fortyGigE then the slot/port information.
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