CLI Guide

Version Description
9.4(0.0) Supported on the FN I/O Aggregator.
9.2(0.0) Introduced on the M I/O Aggregator.
Usage Information To enable IGMP snooping, enter this command. When you enable this command
from CONFIGURATION mode, IGMP snooping enables on all VLAN interfaces
(except the default VLAN).
NOTE: Execute the no shutdown command on the VLAN interface for IGMP
Snooping to function.
ip igmp snooping fast-leave
Enable IGMP snooping fast-leave for this VLAN.
Syntax
ip igmp snooping fast-leave
To disable IGMP snooping fast leave, use the no igmp snooping fast-leave
command.
Defaults Not configured.
Command Modes INTERFACE VLAN — (conf-if-vl-n)
Supported Modes Programmable-Mux (PMUX)
Full–Switch
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.
Internet Group Management Protocol (IGMP)
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