Cisco Catalyst 9400 User Manual

Configuring Unicast MAC Address Filtering
Follow these steps to configure the device to drop a source or destination unicast static address:
Procedure
PurposeCommand or Action
Enables privileged EXEC mode.enable
Step 1
Example:
• Enter your password if prompted.
Device> enable
Enters global configuration mode.configure terminal
Example:
Step 2
Device# configure terminal
Enables unicast MAC address filtering and
configure the device to drop a packet with the
mac address-table static mac-addr vlan
vlan-id drop
Step 3
specified source or destination unicast static
address.
Example:
Device(config)# mac address-table static
c2f3.220a.12f4 vlan 4 drop
• mac-addr—Specifies a source or
destination unicast MAC address (48-bit).
Packets with this MAC address are
dropped.
• vlan-id—Specifies the VLAN for which
the packet with the specified MAC address
is received. Valid VLAN IDs are 1 to
4094.
Returns to privileged EXEC mode.end
Example:
Step 4
Device(config)# end
Verifies your entries.show running-config
Example:
Step 5
Device# show running-config
(Optional) Saves your entries in the
configuration file.
copy running-config startup-config
Example:
Step 6
Device# copy running-config
startup-config
Monitoring and Maintaining Administration of the Device
PurposeCommand
Removes all dynamic entries.clear mac address-table dynamic
System Management Configuration Guide, Cisco IOS XE Bengaluru 17.4.x (Catalyst 9400 Switches)
36
Administering the Device
Configuring Unicast MAC Address Filtering

Cisco Catalyst 9400 Specifications

General

Product Series	Catalyst 9400 Series
Layer	Layer 2/3
Operating System	Cisco IOS XE
Switch Type	Modular
Uplink Interfaces	10 Gigabit Ethernet, 40 Gigabit Ethernet, 100 Gigabit Ethernet
Stacking	No
Form Factor	Modular Chassis
Operating Temperature	0°C to 40°C (32°F to 104°F)
Redundancy	Power supplies
Security Features	MACsec
Management	Cisco DNA Center, CLI, SNMP