TP-Link TL-SG2424 User Manual page 117

Chose the menu Multicast→MLD Snooping→Global Config to load the following page.
The following entries are displayed on this screen:
Global Config

MLD Snooping:
Report Message
Suppression:
Unknown Multicast
Filter:
Router Port
Time:
Member Port Aging
Time:
Last Listener Query
Interval:
Figure 8-12 Global Config
Enable or disable MLD Snooping function globally.
Enable or disable Report Message Suppression function globally.
If this function is enabled, the first Report Message from the
listener will forward to the router ports while the subsequent
Report Message from the group will be suppressed to reduce the
MLD traffic in the network.
Choose to forward or drop unknown multicast data.
Unknown IPv6 multicast packets refer to those packets without
corresponding forwarding entries in the IPv6 multicast table:
When unknown multicast filter is enabled, the switch will discard
all received unknown IPv6 multicast packets;
When unknown multicast filer is disabled, all unknown IPv6
multicast packets are flooded in the ingress VLAN.
Aging Enter the global router port aging time. If the router port does not
receive Query Message in the aging time, it will be aged.
Enter the global member port aging time. If the member port
does not receive Report Message in the aging time, it will be
aged.
Enter the Last Listener Query interval time. When the multicast
group has no more member ports, it will send the Specific Query
Message with this interval time to check whether there is another
listener.
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