Users Guide

Table Of Contents
Usage
Information
When you enable IGMP snooping globally, the configuration applies to all VLAN interfaces. You can disable
IGMP snooping on specified VLAN interfaces. The no version of this command disables 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 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
Parameters query-interval-timeEnter the query time interval in milliseconds, from 100 to 65535.
Default 1000 milliseconds
Command Mode VLAN INTERFACE
Usage
Information
The no version of this command resets the last member query interval time to the default value.
Example
OS10(config)# interface vlan 100
OS10(conf-if-vl-100)# ip igmp snooping last-member-query-interval 2500
Supported
Releases
10.4.1.0 or later
ip igmp snooping mrouter
Configures the multicast router port on the specified VLAN interface.
Syntax
ip igmp snooping mrouter interface interfacetype
Parameters interfacetypeEnter the interface type details. The interface must be a member of the VLAN.
Default Not configured
Command Mode VLAN INTERFACE
838 Multicast