IGMP Snooping Commands
ip igmp snooping vlan forbidden forward-all
Cisco 220 Series Smart Plus Switches Command Line Interface Reference Guide Release 1.0.0.x
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ip igmp snooping vlan forbidden forward-all
To enable the IGMP Snooping forbidden forward-all port processing on a VLAN,
use the ip igmp snooping vlan forbidden forward-all Global Configuration mode
command.
To disable this feature, use the no form of this command.
Syntax
ip igmp snooping vlan
VLAN-LIST
forbidden forward-all interfaces
interface-id
no ip igmp snooping vlan
VLAN-LIST
forbidden forward-all interfaces
interface-id
Parameter
•
VLAN-LIST
—A VLAN ID or a list of VLAN IDs. (Range: 1 to 4094)
•
interfaces
interface-id
—Specifies an interface ID or a list of interface IDs.
The interfaces can be one of these types: Ethernet port or port channel.
Default Configuration
No port is configured as a member of a multicast group.
Command Mode
Global Configuration mode
User Guidelines
All registered multicast entries will always remove the forbidden forward-all.
Example
switchxxxxxx(config)#
ip igmp snooping vlan 1 forbidden forward-all
interfaces fa11
switchxxxxxx(config)#
ip igmp snooping vlan 1 forbidden forward-all
interfaces gi1
switchxxxxxx(config)#
ip igmp snooping vlan 1 forbidden forward-all
interfaces po1