Chapter 24
| Multicast Filtering Commands
IGMP Filtering and Throttling
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ip igmp query-drop This command drops any received IGMP query packets. Use the no form to restore
the default setting.
Syntax
[no] ip igmp query-drop
Default Setting
Disabled
Command Mode
Interface Configuration (Ethernet)
Command Usage
This command can be used to drop any query packets received on the specified
interface. If this switch is acting as a Querier, this prevents it from being affected by
messages received from another Querier.
Example
Console(config)#interface ethernet 1/1
Console(config-if)#ip igmp query-drop
Console(config-if)#
ip multicast-data-drop This command drops all multicast data packets. Use the no form to disable this
feature.
Syntax
[no] ip multicast-data-drop
Default Setting
Disabled
Command Mode
Interface Configuration (Ethernet)
Command Usage
This command can be used to stop multicast services from being forwarded to
users attached to the downstream port (i.e., the interfaces specified by this
command).
Example
Console(config)#interface ethernet 1/1
Console(config-if)#ip multicast-data-drop
Console(config-if)#
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