Ip igmp snooping – Dell POWEREDGE M1000E User Manual

Page 256

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Cisco Catalyst Blade Switch 3130 and 3032 for Dell Command Reference

OL-13271-03

Chapter 2 Cisco Catalyst Blade Switch 3130 and 3032 for Dell Cisco IOS Commands

ip igmp snooping

ip igmp snooping

Use the ip igmp snooping global configuration command on the switch stack or on a standalone switch
to globally enable Internet Group Management Protocol (IGMP) snooping on the switch or to enable it
on 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 Description

Defaults

IGMP snooping is globally enabled on the switch.

IGMP snooping is enabled on VLAN interfaces.

Command Modes

Global configuration

Command History

Usage Guidelines

When IGMP snooping is enabled globally, it is enabled in all the existing VLAN interfaces. When IGMP
snooping 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 IGMP
snooping.

Examples

This example shows how to globally enable IGMP snooping:

Switch(config)# ip igmp snooping

This example shows how to enable IGMP snooping on VLAN 1:

Switch(config)# ip igmp snooping vlan 1

You 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 to
1001 and 1006 to 4094.

Release

Modification

12.2(40)EX1

This command was introduced.

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