Chapter 20
| Multicast Filtering Commands
IGMP Snooping
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ip igmp snooping This command enables IGMP snooping globally on the switch or on a selected
VLAN interface. Use the no form to disable it.
Syntax
[no] ip igmp snooping [vlan vlan-id]
vlan-id - VLAN ID (Range: 1-4093)
Default Setting
Disabled
Command Mode
Global Configuration
Command Usage
◆ When IGMP snooping is enabled globally, the per VLAN interface settings for
IGMP snooping take precedence.
◆ When IGMP snooping is disabled globally, snooping can still be configured per
VLAN interface, but the interface settings will not take effect until snooping is
re-enabled globally.
Example
The following example enables IGMP snooping globally.
Console(config)#ip igmp snooping
Console(config)#
ip igmp snooping
proxy-reporting
This command enables IGMP Snooping with Proxy Reporting. Use the no form to
restore the default setting.
Syntax
ip igmp snooping proxy-reporting
ip igmp snooping vlan vlan-id proxy-reporting {enable | disable}
no ip igmp snooping [vlan vlan-id] proxy-reporting
vlan-id - VLAN ID (Range: 1-4093)
enable - Enable on the specified VLAN.
disable - Disable on the specified VLAN.
Default Setting
Global: Disabled
VLAN: Based on global setting