Administrator Guide

immediate deletion of a group from the membership database. This command provides a way to
achieve the immediate deletion. In addition, this command provides a way to enable immediate-leave
processing for specified groups.
ip igmp last-member-query-interval
Change the last member query interval, which is the Max Response Time inserted into Group-Specific Queries sent in response
to Leave Group messages. This interval is also the interval between Group-Specific Query messages.
Z9000
Syntax
ip igmp last-member-query-interval milliseconds
To return to the default value, use the no ip igmp last-member-query-interval command.
Parameters
milliseconds Enter the number of milliseconds as the interval. For IGMP version 2, the range
is from 100 to 25599. For IGMP version 3, the range is from 100 to 65535. The
default value is 1000 milliseconds.
Defaults 1000 milliseconds
Command Modes INTERFACE
Command
History
This guide is platform-specific. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.7(0.0) For IGMP version 2, the Interval range is from 100 to 25599. Introduced on the
S6000-ON.
9.2(0.0) Introduced on the M I/O Aggregator. This command is supported in Programmable-
Mux (PMUX) mode only.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
7.8.1.0 Introduced on the S-Series.
7.7.1.0 Introduced on the C-Series.
E-Series legacy
command
ip igmp querier-timeout
Change the interval that must pass before a multicast router decides that there is no longer another multicast router that should
be the querier.
Syntax
ip igmp querier-timeout seconds
To return to the default value, use the no ip igmp querier-timeout command.
Parameters
seconds Enter the number of seconds the router must wait to become the new querier. The
range is from 60 to 300. The default is 125 seconds.
Defaults 125 seconds
478 Internet Group Management Protocol (IGMP)