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DGS-1520 Series Gigabit Ethernet Smart Managed Switch Web UI Reference Guide
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• Multicast Listener Done - Similar to the Leave Group Message in IGMPv2, and labeled as 132 in the ICMPv6
packet header, this message is sent by the multicast listening port stating that it is no longer interested in
receiving multicast data from a specific multicast group address, therefore stating that it is "done" with the
multicast data from this address. Once this message is received by the Switch, it will no longer forward
multicast traffic from a specific multicast group address to this listening port.
• Multicast Listener Report, Version 2 - Comparable to the Host Membership Report in IGMPv3, and labeled
as 143 in the ICMP packet header, this message is sent by the listening port to the Switch stating that it is
interested in receiving multicast data from a multicast address in response to the Multicast Listener Query
message.
MLD Snooping Settings
This window is used to display and configure the MLD snooping settings.
To view the following window, click L2 Features > L2 Multicast Control > MLD Snooping > MLD Snooping
Settings, as shown below:
Figure 5-82 MLD Snooping Settings Window
The fields that can be configured in Global Settings are described below:
Parameter Description
Global State
Select this option to enable or disable the global MLD snooping state.
Click the Apply button to accept the changes made.
The fields that can be configured in VLAN Status Settings are described below:
Parameter Description
VID
Enter a VLAN ID from 1 to 4094, and select to enable or disable MLD snooping on
the VLAN.
Click the Apply button to accept the changes made.
The fields that can be configured in MLD Snooping Table are described below:
Parameter Description
VID
Enter a VLAN ID from 1 to 4094.
Click the Find button to locate a specific entry based on the information entered.
Click the Show All button to view all the entries.
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