MAC Address Table—Multicast Filtering
Multicasts are similar to broadcasts, they are sent to all end stations on a LAN or VLAN. Multicast filtering is the system by which end stations only receive multicast traffic if they register to join specific multicast groups. With multicast filtering, network devices only forward multicast traffic to the ports that are connected to registered end stations.
•IP Address: Assign a multicast group IP address in the range of 224.0.0.0 ~ 239.255.255.255.
•Member Ports: Tick the check box beside the port number to include them as the member ports in the specific multicast group IP address.
•Click
Clear MAC Table 
to clear the current port static MAC address information on screen.
Figure 3.55: All MAC Address interface
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