D-Link Router User Manual page 89

Section 3 - Configuration
IGMP last
The last member query interval is the amount of time in seconds
Member
that the router waits to receive a response to a Group-Specific
Query
Query message. It is also the amount of time in seconds between
Interval:
successive Group-Specific Query messages.
IGMP
The robustness variable is a way of indicating how susceptible
Robustness:
the subnet is to lost packets. The router can recover from the
robustness variable minus 1 lost packet.
Query
The query response interval is the maximum amount of time in
Response
seconds that the router waits to receive a response to a General
Interval:
Query message. It is the Maximum Response Time field in the
message header. The default query response interval is 10
seconds and must be less than the query interval.
Group Live Specify the group live delay time in milliseconds. The default
Delay Time: setting is 1.
If you have selected Snooping:
IGMP Proxy Select IGMPv2 or IGMPv3.
Version:
IGMP Fast
Check the box to enable the fast leave feature.
Leave:
IGMP Last The last member query interval is the amount of time in seconds
Member
that the router waits to receive a response to a Group-Specific
Query
Query message. It is also the amount of time in seconds between
Interval:
successive Group-Specific Query messages.
IGMP Last The last member query count is the number of messages the
Member
router sends out during the Last Member Query Interval. If no
Query Count:
host responds to those messages, the IGMP state is removed
from those hosts.
D-Link DWR-961 User Manual 84