The IGMP Snooping Group Table window displays the following parameters:
Tag — Identifies the VLAN to which a frame belongs and for which this entry contains information on Multicast group MAC addresses.
Port — A port number specifying a physical port in the VLAN on which the information concerning multicast groups was learned.
Address — The MAC Multicast group address for which this entry contains information.
Expiry Time — The minimum amount of time remaining before this entry is aged out.