104 Address Table Commands
bridge multicast forbidden address
The bridge multicast forbidden address Interface Configuration (VLAN) mode command forbids
adding a specific Multicast address to specific ports. Use the no form of this command to return to the
default configuration.
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
— A valid MAC Multicast address.
•
ip- multicast-address
— A valid IP Multicast address.
•
interface-list —
Separate non-consecutive 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
The following example forbids MAC address 0100.5e02.0203 on port 2/e9 within VLAN 8.
Console(config)# interface vlan 8
Console(config-if)# bridge multicast address 0100.5e.02.0203
Console(config-if)# bridge multicast forbidden address
0100.5e02.0203 add ethernet 2/e9
book.book Page 104 Thursday, December 18, 2008 7:40 PM
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