2-226Cisco Catalyst Blade Switch 3130 and 3032 for Dell Command ReferenceOL-13271-03Chapter 2 Cisco Catalyst Blade Switch 3130 and 3032 for Dell Cisco IOS Commandsip igmp snoopingip igmp snoopingUse the ip igmp snooping global configuration command on the switch stack or on a standalone switchto globally enable Internet Group Management Protocol (IGMP) snooping on the switch or to enable iton a per-VLAN basis. Use the no form of this command to return to the default setting.ip igmp snooping [vlan vlan-id]no ip igmp snooping [vlan vlan-id]Syntax DescriptionDefaults IGMP snooping is globally enabled on the switch.IGMP snooping is enabled on VLAN interfaces.Command Modes Global configurationCommand HistoryUsage Guidelines When IGMP snooping is enabled globally, it is enabled in all the existing VLAN interfaces. When IGMPsnooping is globally disabled, it is disabled on all the existing VLAN interfaces.VLAN IDs 1002 to 1005 are reserved for Token Ring and FDDI VLANs and cannot be used in IGMPsnooping.Examples This example shows how to globally enable IGMP snooping:Switch(config)# ip igmp snoopingThis example shows how to enable IGMP snooping on VLAN 1:Switch(config)# ip igmp snooping vlan 1You can verify your settings by entering the show ip igmp snooping privileged EXEC command.vlan vlan-id (Optional) Enable IGMP snooping on the specified VLAN. The range is 1 to1001 and 1006 to 4094.Release Modification12.2(40)EX1 This command was introduced.
