xStack® DGS-3620 Series Managed Switch Web UI Reference Guide 
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Figure 5-71 IGMP Group Detail Information window 
 
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MLD 
The Multicast Listener Discovery Protocol (MLD) is used by IPv6 routers, much as IGMP is used in IPv4 routers, to 
discover the presence of multicast listeners (i.e., nodes that wish to receive multicast packets) on their directly 
attached links, and to discover specifically which multicast addresses are of interest to those neighboring nodes. 
The protocol is embedded in ICMPv6 instead of using a separate protocol. MLDv1 is similar to IGMPv2 and MLDv2 
similar to IGMPv3. 
 
MLD Interface Settings 
This window is used to configure the MLD interface settings. 
To view the following window, click L3 Features > IP Multicast Routing Protocol > MLD > MLD Interface 
Settings, as shown below: 
 
 
Figure 5-72 MLD Interface Settings window 
 
Click the Edit button to re-configure the specific entry. 
 
Click the Edit button to see the following window.