User's Guide

Chapter 13 IGMP/MLD
EX3510-B0 User’s Guide
189
Maximum
Multicast
Groups
Enter a number to limit the number of multicast groups an interface on the Zyxel Device is
allowed to join. Once a multicast member is registered in the specified number of multicast
groups, any new IGMP or MLD join report frames are dropped by the interface.
Maximum
Multicast Data
Sources(for
IGMPv3)
Enter a number to limit the number of multicast data sources (1-24) a multicast group is allowed
to have.
Note: The setting only works for IGMPv3 and MLDv2.
Maximum
Multicast
Groups
Members
Enter a number to limit the number of multicast members a multicast group can have.
Fast Leave
Enable
Select this option to set the Zyxel Device to remove a port from the multicast tree immediately
(without sending an MLD membership query message) once it receives an MLD leave message.
This is helpful if a user wants to quickly change a TV channel (multicast group change) especially
for IPTV applications.
LAN to LAN
(Intra LAN)
Multicast Enable
Select this to enable LAN to LAN IGMP snooping capability.
Membership
Join Immediate
(IPTV)
Select this to have the Zyxel Device add a host to a multicast group immediately once the Zyxel
Device receives an IGMP join message.
Cancel
Click Cancel to restore the default or previously saved settings.
Apply
Click Apply to save your changes back to the Zyxel Device.
Table 71 Network Setting > IGMP/MLD (continued)
LABEL DESCRIPTION