The following entries are displayed on this screen: 
  Global Config 
MLD Snooping:  Enable or disable MLD Snooping function globally. 
Report Message 
Suppression: 
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. 
Unknown Multicast 
Filter: 
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. 
Router Port Aging 
Time: 
Enter the global router port aging time. If the router port does not 
receive Query Message in the aging time, it will be aged. 
Member Port Aging 
Time: 
Enter the global member port aging time. If the member port 
does not receive Report Message in the aging time, it will be 
aged. 
Last Listener Query 
Interval: 
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. 
Last Listener Query 
Count: 
Enter the Last Listener Query numbers. When the multicast 
group has no more member ports, it will send this numbers of 
Specific Query Message to check whether there is another 
listener. 
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