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
â—†
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.
â—†
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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