Ip Igmp Snooping - Cisco Catalyst 2950 Command Reference Manual

ip igmp snooping

ip igmp snooping
Use the ip igmp snooping global configuration command to globally enable Internet Group
Management Protocol (IGMP) snooping. Use the no form of this command to disable IGMP snooping.
Syntax Description
This command has no arguments or keywords.
Defaults IGMP snooping is globally enabled.
Command Modes
Global configuration
Command History Release
12.0(5.2)WC(1)
Usage Guidelines
When IGMP snooping is globally enabled, it enables IGMP snooping on all the existing VLAN
interfaces. When IGMP snooping is globally disabled, it disables IGMP snooping on all the existing
VLAN interfaces.
The configuration is saved in nonvolatile RAM (NVRAM).
Examples
This example shows how to globally enable IGMP snooping:
Switch(config)# ip igmp snooping
This example shows how to globally disable IGMP snooping:
Switch(config)# no ip igmp snooping
You can verify your settings commands by entering the show ip igmp snooping privileged EXEC
command.
Related Commands Command
ip igmp snooping vlan
ip igmp snooping vlan
immediate-leave
ip igmp snooping vlan mrouter
ip igmp snooping vlan static
show ip igmp snooping
Catalyst 2950 Desktop Switch Command Reference
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ip igmp snooping
no ip igmp snooping
Modification
This command was first introduced.
Description
Enables IGMP snooping on a VLAN interface.
Enables IGMP Immediate-Leave processing.
Configures a Layer 2 port as a multicast router port.
Configures a Layer 2 port as a member of a group.
Displays the IGMP snooping configuration.
Chapter 2 Cisco IOS Commands
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