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DGS-1520 Series Gigabit Ethernet Smart Managed Switch Web UI Reference Guide
285
Parameter Description
Designated Forwarding
Select to enable or disable designated forwarding on a non-querier IGMP proxy
downstream interface here. To avoid local loops and redundant traffic for links that
are considered downstream links by multiple IGMP-based forwarders, IGMP
proxies use the IGMP querier election to elect a single forwarder on a LAN. Use
this option to make a non-querier device a forwarder. The feature does not take
effect if the interface is not set as the downstream interface or set as the upstream
interface.
Click the Apply button to accept the changes made.
IGMP Proxy Group Table
This window is used to find and display IGMP proxy group information.
To view the following window, click L3 Features > IP Multicast Routing Protocol > IGMP Proxy > IGMP Proxy
Group Table, as shown below:
Figure 6-79 IGMP Proxy Group Table Window
The fields that can be configured are described below:
Parameter Description
Group Address
Enter the IPv4 group multicast address here.
Click the Find button to locate a specific entry based on the information entered.
Click the Show All button to display all the entries.
IGMP Proxy Forwarding Table
This window is used to find and display IGMP proxy forwarding information.
To view the following window, click L3 Features > IP Multicast Routing Protocol > IGMP Proxy > IGMP Proxy
Forwarding Table, as shown below:
Figure 6-80 IGMP Proxy Forwarding Table Window
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