CLI Reference Guide-R05

Table Of Contents
Chapter 22
| Multicast Filtering Commands
IGMP Filtering and Throttling
– 637 –
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)
port - Port number. (Range: 1-12)
port-channel channel-id (Range: 1-12)
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 1/11: Enabled
Ethernet 1/12: Enabled
Console#