User Manual of VDR-301N
Query Interval
The amount of time between IGMP General Query messages sent by
the router (if the router is a querier on this subnet).
Query Response Interval
The maximum amount of time in seconds that the IGMP router waits to
receive a response to a General Query message. The query response
interval is the Maximum Response Time field in the IGMP v2 Host
Membership Query message header. The default query response
interval is 10 seconds and must be less than the query interval.
Group Leave Delay
The amount of time in seconds that the IGMP router waits to receive a
response to a Group-Specific Query message. The last member query
interval is also the amount of time in seconds between successive
Group-Specific Query messages.
5.5.1.2 MLD
MLD means Multicast Listener Discovery -- its component of the IPv6. MLD is used by IPv6 routers for
discovering multicast listeners on a directly-attached link, much like IGMP being used in IPv4.
Figure 5-64 MLD
The following table describes the parameters:
Field Description
MLD Proxy
MLD Proxy can be used to support IPv6 multicast data. Enable/Disable
the function to access.
MLD Snooping
Snooping is an IPv6 multicast constraining mechanism that runs on
Layer 2 devices to manage and control IPv6 multicast groups. By
analyzing received MLD messages, a Layer 2 device running MLD
Snooping establishes mappings between ports and multicast MAC
addresses and forwards IPv6 multicast data based on these mappings.
Multicast Listener Discovery Snooping (MLD). Enable/Disable the
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