TP-Link TL-SG3424 User Manual page 42

Parameter description:
IGMP snooping mode selection:
The switch supports three kinds of IGMP Snooping status, including
"Passive", "Active" and "Disable".
Disable:
Set "Disable" mode to disable IGMP Snooping function.
Default: Disable
Active:
In Active mode, IGMP snooping switch will periodically issue the
Membership Query message to all hosts attached to it and
gather the Membership report message to update the database
of the Multicast table. By the way, this also reduces the
unnecessary multicast traffic.
Passive:
In Passive Snooping mode, the IGMP snooping will not
periodically poll the hosts in the groups. The switch will send a
Membership Query message to all hosts only when it has
received a Membership Query message from a router.
IP Address:
Show all multicast groups IP addresses that are registered on this device.
VLAN ID:
Show VLAN ID for each multicast group.
Member Port:
Show member ports that join each multicast group. Member port may be
only or more than one.
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User Manual
Publication date: January, 2006
Revision A2
User Manual
Function name:
Allowed Group
Function description:
The Allowed Group function allows the IGMP Snooping to set up the IP
multicast table based on user's specific conditions. IGMP report packets that
meet the items you set up will be joined or formed the multicast group.
Fig. 3-26
Parameter description:
IP Range:
The switch supports two kinds of options for managed valid IP range,
including "Any" and "Custom". Default is "Any". In case that" Custom"
had been chosen, you can assigned effective IP range. The valid range
is 224.0.0.0~239.255.255.255.
VID:
The switch supports two kinds of options for managed valid VLAN VID,
including "Any" and "Custom". Default is "Any". When you choose
"Custom", you can fill in VID number. The valid VID range is 1~4094.
Port:
The switch supports two kinds of options for managed valid port range,
including "Any" and "Custom". Default is "Any". You can select the ports
that you would like them to be worked and restricted in the allowed group
configuration if "Custom" had been chosen.
Publication date: January, 2006
Revision A2
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