Chapter 23
| Multicast Filtering Commands
IGMP Filtering and Throttling
– 571 –
ip igmp filter
(Global Configuration)
This command globally enables IGMP filtering and throttling on the switch. Use the
no
form to disable the feature.
Syntax
[
no
]
ip igmp filter
Default Setting
Disabled
Command Mode
Global Configuration
Command Usage
◆
IGMP filtering enables you to assign a profile to a switch port that specifies
multicast groups that are permitted or denied on the port. An IGMP filter profile
can contain one or more, or a range of multicast addresses; but only one profile
can be assigned to a port. When enabled, IGMP join reports received on the
port are checked against the filter profile. If a requested multicast group is
permitted, the IGMP join report is forwarded as normal. If a requested multicast
group is denied, the IGMP join report is dropped.
◆
IGMP filtering and throttling only applies to dynamically learned multicast
groups, it does not apply to statically configured groups.
Example
Console(config)#ip igmp filter
Console(config)#
ip igmp profile
This command creates an IGMP filter profile number and enters IGMP profile
configuration mode. Use the
no
form to delete a profile number.
Syntax
[
no
]
ip igmp profile
profile-number
profile-number - An IGMP filter profile number. (Range: 1-4294967295)
Default Setting
Disabled
Command Mode
Global Configuration
Command Usage
A profile defines the multicast groups that a subscriber is permitted or denied to
join. The same profile can be applied to many interfaces, but only one profile can
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