Chapter 13 IGMP/MLD
VMG3925-B10C/B30C User’s Guide
194
Maximum
Multicast
Groups
Enter a number to limit the number of multicast groups an interface on the VMG 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
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 Group
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 VMG to remove a port from the multicast tree immediately (without
sending an IGMP or MLD membership query message) once it receives an IGMP or 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 VMG add a host to a multicast group immediately once the VMG
receives an IGMP or MLD join message.
Apply
Click
Apply
to save your changes back to the VMG.
Cancel
Click
Cancel
to exit this screen without saving.
Table 69 Network Setting > IGMP/MLD (continued)
LABEL
DESCRIPTION