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Chapter 21 IGMP Commands
IGMP Snooping (Internet Group Management Protocol Snooping) is a multicast control
mechanism running on Layer 2 switch. It can effectively prevent multicast groups being
broadcasted in the network.
ip igmp snooping(global)
Description
The ip igmp snooping command is used to configure IGMP Snooping globally.
To disable the IGMP Snooping function, please use no ip igmp snooping
command.
Syntax
ip igmp snooping
no ip igmp snooping
Command Mode
Global Configuration Mode
Example
Enable IGMP Snooping function:
T1500-28PCT(config)# ip igmp snooping
ip igmp snooping(interface)
Description
The ip igmp snooping command is used to enable the IGMP Snooping
function for the desired port. To disable the IGMP Snooping function, please use
no ip igmp snooping command.
Syntax
ip igmp snooping
no ip igmp snooping
Command Mode
Interface Configuration Mode (interface fastEthernet / interface range
fastEthernet / interface gigabitEthernet / interface range gigabitEthernet)