Reference Guide

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).
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.
Z9000
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 VLAN
Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 7.6.1.0 Introduced on the S-Series.
Version 7.5.1.0 Introduced on the C-Series.
E-Series legacy
command
Usage
Information
This last-member-query-interval is also the interval between successive Group-Specific Query
messages. To change the last-member-query interval, use this command.
ip igmp snooping mrouter
Statically configure a VLAN member port as a multicast router interface.
Z9000
Syntax
ip igmp snooping mrouter interface interface
To delete a specific multicast router interface, use the no igmp snooping mrouter
interface
interface command.
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