ZyXEL Communications GS1200-5HP v2 User Manual page 46

Figure 14 IGMP Snooping
The following table describes the labels in this screen.
Table 9 IGMP Snooping
LABEL DESCRIPTION
IGMP Snooping
Enable IGMP Select this option to enable IGMP Snooping to forward group multicast traffic only to ports that
Snooping are members of that group.
Unknown Select this option to discard the frame when the Switch receives an unknown multicast frame.
Multicast Drop Otherwise, the Switch sends the frame to all ports.
IGMP Static Select a port to be used as an IGMP query port.
Router Port
The Switch treats an IGMP query port as being connected to an IGMP multicast router (or
server). The Switch forwards IGMP join or leave packets to an IGMP query port.
Note: If link aggregation is enabled, the ports in a link aggregation group won't be
Apply Click Apply to save your changes to the Switch.
Chapter 7 IGMP Snooping
available in this field.
GS1200 Series User's Guide
46