Bridge Multicast Unregistered - Cisco 300 Series Cli Manual

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User Guidelines
Before defining forbidden ports, the Multicast group should be registered.
You can execute the command before the VLAN is created.
Example
The following example registers a source IPv6 address - Multicast IPv6 address
pair to the bridge table, and forbids adding the pair to gi 1 4 on VLAN 8:
switchxxxxxx(config)#
switchxxxxxx(config-if)#
FF00:0:0:0:4:4:4:1
switchxxxxxx(config-if)#
2001:0:0:0:4:4:4:1 group FF00:0:0:0:4:4:4:1 add gi14
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bridge multicast unregistered

To configure forwarding unregistered Multicast addresses, use the bridge
multicast unregistered Interface (Ethernet, Port Channel) Configuration mode
command. To restore the default configuration, use the no form of this command.
Syntax
bridge multicast unregistered
no bridge multicast unregistered
Parameters
•
forwarding—Forwards unregistered Multicast packets.
•
filtering—Filters unregistered Multicast packets.
Default Configuration
Unregistered Multicast addresses are forwarded.
Command Mode
Interface (Ethernet, Port Channel) Configuration mode
interface vlan 8
bridge multicast source 2001:0:0:0:4:4:4 group
bridge multicast forbidden source
{forwarding | filtering}
OL-32830-01 Command Line Interface Reference Guide
Address Table Commands