Comtrend Corporation VR-3030, User Manual

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Field Description
Query Response Interval The query response interval is 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.
Last Member Query
Interval The last member query interval is 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. The default last member query interval is
10 seconds.
Robustness Value The robustness variable is a way of indicating how
susceptible the subnet is to lost packets. IGMP can
recover from robustness variable minus 1 lost IGMP
packets. The robustness variable should be set to a
value of 2 or greater. The default robustness variable
value is 2.
Maximum Multicast
Groups Setting the maximum number of Multicast groups.
Maximum Multicast Data
Sources (for IGMPv3) Define the maximum multicast video stream number.
Maximum Multicast
Group Members Setting the maximum number of groups that ports
can accept.
Fast Leave Enable When you enable IGMP fast-leave processing, the
switch immediately removes a port when it detects an
IGMP version 2 leave message on that port.