Deployment Guide

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.
ip igmp snooping enable
Enable IGMP snooping on all or a single VLAN. This command is the master on/o switch to enable IGMP snooping.
Syntax
ip igmp snooping enable
To disable IGMP snooping, use the no ip igmp snooping enable command.
Defaults Disabled.
Command Modes
• CONFIGURATION
• INTERFACE VLAN
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 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 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.
Internet Group Management Protocol (IGMP) 185