Chapter 22
| Multicast Filtering Commands
IGMP Filtering and Throttling
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IGMP Filtering and Throttling
In certain switch applications, the administrator may want to control the multicast
services that are available to end users. For example, an IP/TV service based on a
specific subscription plan. The IGMP filtering feature fulfills this requirement by
restricting access to specified multicast services on a switch port, and IGMP
throttling limits the number of simultaneous multicast groups a port can join.
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
Table 118: IGMP Filtering and Throttling Commands
Command Function Mode
ip igmp filter Enables IGMP filtering and throttling on the switch GC
ip igmp profile Sets a profile number and enters IGMP filter profile
configuration mode
GC
permit, deny Sets a profile access mode to permit or deny IPC
range Specifies one or a range of multicast addresses for a profile IPC
ip igmp filter Assigns an IGMP filter profile to an interface IC
ip igmp max-groups Specifies an IGMP throttling number for an interface IC
ip igmp max-groups action Sets the IGMP throttling action for an interface IC
ip igmp query-drop Drops any received IGMP query packets IC
ip igmp authentication Sends access request to RADIUS server for authentication
when a join report is received on an interface.
IC
show ip igmp filter Displays the IGMP filtering status PE
show ip igmp profile Displays IGMP profiles and settings PE
show ip igmp query-drop Shows if the interface is configured to drop IGMP query
packets
PE
show ip igmp
throttle interface
Displays the IGMP throttling setting for interfaces PE
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