Connectivity Guide

Table Of Contents
IGMP snooping commands
ip igmp snooping
Enables IGMP snooping on the specied VLAN interface.
Syntax
ip igmp snooping
Parameters None
Default Depends on the global conguration.
Command Mode VLAN INTERFACE
Usage Information When you enable IGMP snooping globally, the conguration applies to all VLAN interfaces. You can disable IGMP
snooping on specied VLAN interfaces. The no version of this command disables IGMP snooping on the specied
VLAN interface.
Example
OS10(config)# interface vlan 100
OS10(conf-if-vl-100)# no ip igmp snooping
Supported Releases 10.4.0E(R1) or later
ip igmp snooping enable
Enables IGMP snooping globally.
Syntax
ip igmp snooping enable
Parameters None
Default Disabled
Command Mode CONFIGURATION
Usage Information The no version of this command disables IGMP snooping.
Example
OS10(config)# ip igmp snooping enable
Supported Releases 10.4.0E(R1) or later
ip igmp snooping fast-leave
Enables fast leave in IGMP snooping for specied VLAN.
Syntax
ip igmp snooping fast-leave
Parameters None
Default Disabled
Command Mode VLAN INTERFACE
Usage Information The fast leave option allows the IGMP snooping switch to remove an interface from the multicast group
immediately on receiving the leave message. The no version of this command disables the fast leave
functionality.
Layer 3 415