80 Address Table Commands
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bridge multicast forbidden address
The
bridge multicast forbidden address
Interface Configuration mode command forbids adding a
specific multicast address to specific ports. Use the
no
form of this command to return to default.
Syntax
bridge multicast forbidden address
{
mac-multicast-address
|
ip-multicast-address
} {
add
|
remove
} {
ethernet
interface-list | port-channel port-channel-number-list
}
no bridge multicast forbidden address
{
mac-multicast-address
|
ip-multicast-address
}
•
add
—Adds ports to the group.
•
remove
—Removes ports from the group.
•
mac-multicast-address
—MAC multicast address in the format of xx:xx:xx:xx:xx:xx.
•
ip- multicast-address
—IP multicast address is in the format xxx.xxx.xxx.xxx.
•
interface-list—
Separate non consecutive valid Ethernet ports with a comma and no
spaces; hyphen is used to designate a range of ports.
•
port-channel-number-list—
Separate non consecutive valid port-channels with a comma
and no spaces; a hyphen is used to designate a range of port-channels.
Default Configuration
No forbidden addresses are defined.
Command Modes
Interface Configuration (VLAN) mode
User Guidelines
• Before defining forbidden ports, the multicast group should be registered.
Examples
In this example the MAC address 01:00:5e:02:02:03 is forbidden on port g9 within VLAN 8.
Console (config)# interface vlan 8
Console (config-if)# bridge multicast address 01:00:5e:02:02:03
Console (config-if)# bridge multicast forbidden address
01:00:5e:02:02:03 add ethernet g9
