Refusal (Black - Hole Mac); Cli Configuration - Tripp Lite NGI-M08C4-L2 Owner's Manual

Refusal (
5.2.4. Black-hole MAC)
This type of MAC address entries are configured manually. A switch discards the packets
destined for or originated from the MAC addresses contained in black-hole MAC address entries.
Black-hole entries are configured for filtering out frames with specific source or destination
MAC addresses
Notice: User can configure up to 20 entries.

5.2.4.1. CLI Configuration

Node Command
enable show mac-address-table
refusal
enable configure terminal
configure mac-address-table refusal
MACADDR vlan <1-
4094>
configure mac-address-table refusal
MACADDR
Example: The procedures to configure a refusal MAC address
To enter the configure node.

L2SWITCH#configure terminal
L2SWITCH(config)#
To configure a refusal MAC address for all ports and all vlans.

L2SWITCH(config)#mac-address-table refusal 00:11:22:33:44:55
To configure a refusal MAC address for all ports on a specific vlan.

L2SWITCH(config)#mac-address-table refusal 00:11:22:33:44:55 vlan 1.
Description
This command displays the current refusal MAC
address only.
This command changes the node to configure
node.
This command configures a refusal MAC on a
specific VLAN.
This command configures a refusal MAC.
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