33.1.1 Command list

The following tables list IGMP snooping configuration commands.

Table 33-1: List of configuration commands
Command name	Description
ip igmp snooping (global)	Use no ip igmp snooping to suppress IGMP snooping functionality for the Switch.
Ip igmp snooping (VLAN interfaces)	Sets IGMP snooping functionality for the specified interface.
ip igmp snooping fast-leave	Sets IGMP instant leave.
ip igmp snooping mrouter discovery	Enable multicast router port auto-learning.
ip igmp snooping mrouter discovery extension	Sets the addition of the retention time for IGMP multicast router information detected during multicast router port auto-learning.
ip igmp snooping mrouter interface	Sets IGMP multicast router ports.
ip igmp snooping mrouter logging	No ip igmp snooping mrouter logging suppresses the outputting of operational messages related to multicast router auto-learning.
ip igmp snooping querier	Sets IGMP querier functionality.
ip igmp snooping query-interval	Set the interval for sending IGMP General Query messages that are sent periodically.

The following tables list the operation commands for IGMP snooping.

Table 33-2: List of operation commands
Command name	Description
show igmp-snooping	Shows IGMP snooping information.
clear igmp-snooping	Clears IGMP snooping information.
show igmp-snooping mrouter	Displays multicast router information detected during multicast router port auto-learning.
clear igmp-snooping mrouter	Clears multicast router information detected during multicast router port auto-learning.
show igmp-snooping mrouter statistics	Displays statistics about multicast router port auto-learning.
clear igmp-snooping mrouter statistics	Clears statistics about multicast router port auto-learning.
restart snooping	Restarts the IGMP or MLD snooping program.
dump protocols snooping	Outputs event trace information and control table information to a file.