Reference Guide

Table Of Contents
Parameters None
Default Depends on the global configuration.
Command Mode VLAN INTERFACE
Usage
Information
When you enable IGMP snooping globally, the configuration is applied to all the VLAN interfaces. You can
disable the IGMP snooping on specified VLAN interfaces. The no version of this command disables the
IGMP snooping on the specified 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 the 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 specified 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.
Example
OS10(config)# interface vlan 100
OS10(conf-if-vl-100)# ip igmp snooping fast-leave
Supported
Releases
10.4.1.0 or later
ip igmp snooping last-member-query-interval
Configures the time interval between group-specific IGMP query messages.
Syntax
ip igmp snooping last-member-query-interval query-interval-time
Layer 3 365