Cisco Cisco Gigabit Ethernet Switch Module (CGESM) for HP Technical References
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Cisco Gigabit Ethernet Switch Module for the HP p-Class BladeSystem Command Reference Guide
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Chapter 2 CGESM Switch Cisco IOS Commands
ip igmp snooping
ip igmp snooping
Use the ip igmp snooping global configuration command 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.
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.
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.
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.
1001 and 1006 to 4094.
Release
Modification
12.2(25)SE1
This command was introduced.