Switch User Manual

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