C
HAPTER
39
| Multicast Filtering Commands
IGMP Filtering and Throttling
– 1235 –
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: 1-28)
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 1/27: Enabled
Ethernet 1/28: Enabled
Console#
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