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the forward port list of the multicast group. Otherwise, the switch will drop the
IGMP report message. In that way, you can control the multicast groups that
users can access.
Syntax
ip igmp snooping filter
no ip igmp snooping filter
Command Mode
Interface Configuration Mode (interface fastEthernet / interface range
fastEthernet / interface gigabitEthernet / interface range gigabitEthernet)
Example
Enable IGMP Snooping filter function for port 3:
T1500-28PCT(config)# interface fastEthernet 1/0/3
T1500-28PCT(config-if)# ip igmp snooping filter
ip igmp snooping filter maxgroup
Description
The ip igmp snooping filter maxgroup command is used to specify the
maximum number of multicast groups for a port to join in.
Syntax
ip igmp snooping filter maxgroup maxgroup
Parameter
maxgroup —— The maximum number of multicast groups for a port to join in. It
is used to prevent some ports taking up too much bandwidth.
Command Mode
Interface Configuration Mode (interface fastEthernet / interface range
fastEthernet / interface gigabitEthernet / interface range gigabitEthernet)
Example
Specify the maximum number of multicast groups for ports 2-5 to join in as 10:
T1500-28PCT(config)# interface range fastEthernet 1/0/2-5
T1500-28PCT(config-if-range)# ip igmp snooping filter maxgroup 10