Refusal (Black-Hole Mac); Cli Configuration - Tripp Lite NGI-M08C4POE8-2 Owner's Manual

Parameter
Age Time Setting
Age Time
Apply
Refresh
5.2.4.

Refusal (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
Configure the age time; the valid range is from 20 to 500 seconds. The
default value is 300 seconds. 0 means that the system will not age out
any entries.
Click Apply to take effect the settings.
Click Refresh to begin configuring this screen afresh.
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.
49
Description