Administrator Guide
Version Description
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
8.2.1.0 Introduced on the C-Seris and S-Series.
7.7.1.0 Introduced on the E-Series.
Usage Information
On the C-Series and S-Series, unregistered multicast data traffic drops when you disable flooding; they do not
forward the packets to multicast router ports. On the C-Series and S-Series, in order to disable Layer 2 multicast
flooding, disable Layer 3 multicast (no ip multicast-routing).
Use this command in Configuration Terminal Batch mode to control the flooding behavior in a dual-homing setup.
ip igmp snooping last-member-query-interval
The last member query interval is the maximum response time inserted into Group-Specific queries sent in response to Group-Leave
messages.
C9000 Series
Syntax
ip igmp snooping last-member-query-interval milliseconds
To return to the default value, use the no ip igmp snooping last-member-query-interval
command.
Parameters
milliseconds
Enter the interval in milliseconds. The range is from 100 to 65535. The default is 1000
milliseconds.
Defaults 1000 milliseconds
Command Modes
INTERFACE
INTERFACE (BATCH Mode)
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
9.10(0.0) Introduced the Configuration Terminal Batch mode on C9010.
9.9(0.0) Introduced on the C9010.
9.5(0.1) Introduced on the Z9500.
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.
7.6.1.0 Introduced on the S-Series.
7.5.1.0 Introduced on the C-Series.
Usage Information
The last-member-query-interval is also the interval between successive Group-Specific Query messages. The ip
igmp snooping last-member-query-interval command allows you to change the last-member-query
interval.
Internet Group Management Protocol (IGMP) 851