Command Reference Guide

Internet Group Management Protocol (IGMP) | 553
Command Modes
INTERFACE
Command
History
Usage
Information
Querier normally sends a certain number of group specific queries when a leave message is
received, for a group, prior to deleting a group from the membership database. There may be
situations in which immediate deletion of a group from the membership database is required.
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
c e s
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.
Syntax
ip igmp last-member-query-interval
milliseconds
To return to the default value, enter
no ip igmp last-member-query-interval.
Parameters
Defaults
1000 milliseconds
Command Modes
INTERFACE
Command
History
ip igmp querier-timeout
c e s
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, enter
no ip igmp querier-timeout.
Version 8.3.7.0 Introduced on S4810
Version 7.8.1.0 Introduced on S-Series
Version 7.7.1.0 Introduced on C-Series
E-Series legacy command
milliseconds Enter the number of milliseconds as the interval.
Default: 1000 milliseconds
Range: 100 to 65535
Version 8.3.7.0 Introduced on S4810
Version 7.8.1.0 Introduced on S-Series
Version 7.7.1.0 Introduced on C-Series
E-Series legacy command