49
Parameter
Description
Age Time Setting
Age Time
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.
Apply
Click
Apply
to take effect the settings.
Refresh
Click
Refresh
to begin configuring this screen afresh.
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
Description
enable
show mac-address-table
refusal
This command displays the current refusal MAC
address only.
enable
configure terminal
This command changes the node to configure
node.
configure mac-address-table refusal
MACADDR vlan <1-
4094>
This command configures a refusal MAC on a
specific VLAN.
configure mac-address-table refusal
MACADDR
This command configures a refusal MAC.
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.
Summary of Contents for NGI-M08C4POE8-2
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