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Router Port: Indicates the switch port directly connected to the multicast router.
Member Port: Indicates a switch port connected to a multicast group member.
2. Timers
Router Port Time: Within the time, if the switch does not receive IGMP query message from the
router port, it will consider this port is not a router port any more. The default value is 300
seconds.
Member Port Time: Within the time, if the switch does not receive IGMP report message from
the member port, it will consider this port is not a member port any more. The default value is
260 seconds.
Last Listener Query Interval: The interval between the switch sends out MASQs.
Last Listener Query Count: The number of MASQs that the switch sends before aging out a
multicast address when there is no IGMP report response.
The IGMP Snooping function can be implemented on the following pages: Snooping Config,
Port Config, VLAN Config, Multicast VLAN, Querier Config, Profile Config, Profile Binding
and Packet Statistics.
8.1.1 Snooping Config
To configure the IGMP Snooping on the switch, please firstly configure IGMP global
configuration and related parameters on this page.
If the multicast address of the received multicast data is not in the multicast address table, the
switch will broadcast the data in the VLAN. When Unknown Multicast Discard feature is enabled,
the switch drops the received unknown multicast so as to save the bandwidth and enhance the
process efficiency of the system. Please configure this feature appropriate to your needs.
Choose the menu Multicast →IGMP Snooping →Snooping Config to load the following page.
Figure 8-4 Basic Config
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