ZyXEL Communications VMG3925-B10A User Manual page 178

Figure 95 Network Setting > IGMP/MLD
The following table describes the labels in this screen.
Table 72 Network Setting > IGMP/MLD
LABEL DESCRIPTION
IGMP/MLD Configuration
Default Version Enter the version of IGMP (1~3) and MLD (1~2) that you want the VMG to use on the WAN.
Query Interval Enter the number of seconds the VMG sends a query message to hosts to get the group
membership information.
Query Enter the maximum number of seconds the VMG can wait for receiving a General Query
Response message. Multicast routers use general queries to learn which multicast groups have
Interval members.
Last Member Enter the maximum number of seconds the VMG can wait for receiving a response to a
Query Interval Group-Specific Query message. Multicast routers use group-specific queries to learn
whether any member remains in a specific multicast group.
Robustness Enter the number of times (1~7) the VMG can resend a packet if packet loss occurs due to
Value network congestion.
Maximum Enter a number to limit the number of multicast groups an interface on the VMG is allowed
Multicast to join. Once a multicast member is registered in the specified number of multicast groups,
Groups any new IGMP or MLD join report frames are dropped by the interface.
Maximum Enter a number to limit the number of multicast data sources (1-24) a multicast group is
Multicast Data allowed to have.
Sources
Note: The setting only works for IGMPv3 and MLDv2.
Chapter 13 IGMP/MLD
VMG3925-B10A User's Guide
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