Switch User Manual

78 Address Table Commands
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bridge multicast filtering
The bridge multicast filtering Global Configuration mode command enables filtering of multicast
addresses. To disable filtering of multicast addresses, use the
no form of the bridge multicast
filtering
command.
Syntax
bridge multicast filtering
no bridge multicast filtering
Default Configuration
Disabled. All multicast addresses are flooded to all ports.
Command Mode
Global Configuration mode
User Guidelines
• If devices exist on the VLAN, do not change the unregistered multicast addresses state to
drop on the devices ports.
• If multicast routers exist on the VLAN and IGMP-snooping is not enabled, the
bridge
multicast forward-all
command should be used to enable forwarding all multicast packets to
the multicast routers.
Example
In this example, bridge multicast filtering is enabled.
bridge multicast address
The bridge multicast address Interface Configuration mode command registers MAC-layer
multicast addresses to the bridge table, and adds static ports to the group. To unregister the MAC
address, use the
no form of the bridge multicast address command.
Syntax
bridge multicast address { mac-multicast-address | ip-multicast-address }
Console (config)# interface vlan 2
Console (config-vlan)# bridge address 3a:a2:64:b3:a2:45 ethernet
g8 permanent
Console (config)# bridge multicast filtering