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Chapter 27 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.
igmp-snooping global
Description
The igmp-snooping global command is used to configure IGMP globally. To
return to the default configuration, please use no igmp-snooping global
command.
Syntax
igmp-snooping global [status { disable | enable }] [unknown-packet { pass |
discard }]
no igmp-snooping global
Parameter
status —— Enable/ Disable IGMP Snooping function globally on the switch. By
default, it is disabled.
unknown-packet —— The operation for the switch to process unknown
multicast, with pass and discard options.
Command Mode
Global Configuration Mode
Example
Enable IGMP Snooping function, and specify the operation to process unknown
multicast as discard:
TP-LINK(config)# igmp-snooping global status enable unknown-packet
discard
igmp-snooping config
Description
The igmp-snooping config status command is used to configure IGMP
Snooping and Fast Leave function for port. To return to the default configuration,
please use no igmp-snooping config command.