Ip Igmp Snooping - Cisco ME 3800X Command Reference Manual

ip igmp snooping

ip igmp snooping
To globally enable Internet Group Management Protocol (IGMP) snooping on the switch or to enable it
on a per-VLAN basis, use the ip igmp snooping command in global configuration mode. To return to
the default setting, use the no form of this command.
Syntax Description
vlan vlan-id
Defaults
IGMP snooping is globally enabled on the switch.
IGMP snooping is enabled on VLAN interfaces.
Command Modes Global configuration
Command History Release
12.2(52)EY
Usage Guidelines
When IGMP snooping is enabled globally, it is enabled in all the existing VLAN interfaces. When IGMP
snooping is disabled globally, 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.
You can verify your settings by entering the show ip igmp snooping privileged EXEC command.
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
Related Commands Command
ip igmp snooping report-suppression
show ip igmp snooping
show ip igmp snooping groups
show ip igmp snooping mrouter
Cisco ME 3800X and ME 3600X Switch Command Reference
2-106
ip igmp snooping [vlan vlan-id]
no ip igmp snooping [vlan vlan-id]
(Optional) Enables IGMP snooping on the specified VLAN. The range is 1
to 1001 and 1006 to 4094.
Modification
This command was introduced.
Chapter 2 Cisco ME 3800X and ME 3600X Switch Cisco IOS Commands
Description
Enables IGMP report suppression.
Displays the snooping configuration.
Displays IGMP snooping multicast information.
Displays the IGMP snooping router ports.
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