Users Guide

To disable IGMP snooping fast leave, use the no igmp snooping fast-leave command.
Defaults Not congured.
Command Modes INTERFACE VLAN — (conf-if-vl-n)
Supported Modes Programmable-Mux (PMUX)
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.4(0.0) Supported on the FN I/O Aggregator.
9.2(0.0) Introduced on the M I/O Aggregator.
Usage Information Queriers normally send some queries when a leave message is received prior to deleting a group from the
membership database. There may be situations when you require a fast deletion of a group. When you
enable IGMP fast leave processing, the switch removes an interface from the multicast group as soon as it
detects an IGMP version 2 leave message on the interface.
ip igmp snooping ood
This command controls the ooding behavior of unregistered multicast data packets. When ooding is disabled, unregistered
multicast data trac is forwarded to only multicast router ports in a VLAN. If there is no multicast router port in a VLAN,
unregistered multicast data trac is dropped.
Syntax
ip igmp snooping flood
To disable the ooding, use the no ip igmp snooping flood command.
Parameters Enabled
Command Modes CONFIGURATION
Supported Modes All Modes
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.4(0.0) Supported on the FN I/O Aggregator.
8.3.17.0 Supported on the M I/O Aggregator.
ip igmp snooping last-member-query-interval
The last member query interval is the maximum response time inserted into Group-Specic queries sent in response to Group-Leave
messages.
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.
Internet Group Management Protocol (IGMP)
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