Chapter 24
| Multicast Filtering Commands
IGMP Filtering and Throttling
– 698 –
Command Mode
Interface Configuration (Ethernet, Port Channel)
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)#
show ip igmp
authentication
This command displays the interface settings for IGMP authentication.
Syntax
show ip igmp authentication interface [interface]
interface
ethernet unit/port
unit - Unit identifier. (Range: 1-8)
port - Port number. (Range: 1-28/52)
port-channel channel-id (Range: 1-16)
Default Setting
None
Command Mode
Privileged Exec
Command Usage
Using this command without specifying an interface displays information for all
interfaces.
Example
Console#show ip igmp authentication
Ethernet 1/1: Enabled
Ethernet 1/2: Enabled
Ethernet 1/3: Enabled
.
.
.
Ethernet 1/27: Enabled
Ethernet 1/28: Enabled
Other ports/port channels are Disable
Console#