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Catalyst 2950 and Catalyst 2955 Switch Command Reference
OL-10102-01
Chapter 2 Catalyst 2950 and 2955 Cisco IOS Commands
ip igmp snooping vlan
ip igmp snooping vlan
Use the ip igmp snooping vlan global configuration command to enable Internet Group Management
Protocol (IGMP) snooping on a specific VLAN. Use the no form of this command to disable IGMP
snooping on a VLAN interface.
ip igmp snooping vlan vlan-id
no ip igmp snooping vlan vlan-id
Syntax Description
Defaults IGMP snooping is enabled when each VLAN is created.
Command Modes Global configuration
Command History
Usage Guidelines This command automatically configures the VLAN if it is not already configured. The configuration is
saved in NVRAM.
Examples This example shows how to enable IGMP snooping on VLAN 2:
Switch(config)# ip igmp snooping vlan 2
This example shows how to disable IGMP snooping on VLAN 2:
Switch(config)# no ip igmp snooping vlan 2
You can verify your settings by entering the show ip igmp snooping vlan privileged EXEC command.
Related Commands
vlan-id VLAN ID. The range is 1 to 4094.
Release Modification
12.0(5.2)WC(1) This command was introduced.
Command Description
ip igmp snooping Globally enables IGMP snooping. IGMP snooping must be
globally enabled in order to be enabled on a VLAN.
ip igmp snooping vlan
immediate-leave
Enables IGMP Immediate-Leave processing.
ip igmp snooping vlan mrouter Configures a Layer 2 port as a multicast router port.
ip igmp snooping vlan static Configures a Layer 2 port as a member of a group.
show ip igmp snooping Displays the IGMP snooping configuration.
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