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User's Manual of SGS-5240 Series Managed Switch
4.2.13.7 Group Information
Switch Management > MLD Snooping > Group Information page is used to display and set known multicast groups, member
ports, the means by which each group was learned, and the corresponding source list.
◆VLAN – VLAN identifier. (Range: 1-4094)
◆Interface – Port or group identifier.
◆Group Address – The IP address for a specific multicast service.
◆Type – The means by which each group was learned – MLD Snooping or Multicast Data.
◆Filter Mode – The filter mode is used to summarize the total listening state of a multicast address to a minimum set such that
all nodes' listening states are respected. In Include mode, the router only uses the request list, indicating that the reception of
packets sent to the specified multicast address is requested only from those IP source addresses listed in the hosts' source-list.
In Exclude mode, the router uses both the request list and exclude list, indicating that the reception of packets sent to the given
multicast address is requested from all IP source addresses, except for those listed in the exclude source-list and for any other
◆Filter Timer Elapse – The Filter timer is only used when a specific multicast address is in Exclude mode. It represents the
sources where the source timer status has expired.
◆Request List – Sources included on the router's request list.
time for the multicast address filter mode to expire and change to Include mode.
◆Exclude List – Sources included on the router's exclude list.
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