xStack® DGS-3120 Series Layer 3 Managed Gigabit Ethernet Switch Web UI Reference Guide
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IGMP Snooping Settings
In order to use IGMP Snooping it must first be enabled for the entire Switch under IGMP Global Settings at the top
of the window. You may then fine-tune the settings for each VLAN by clicking the corresponding Edit button. When
enabled for IGMP snooping, the Switch can open or close a port to a specific multicast group member based on
IGMP messages sent from the device to the IGMP host or vice versa. The Switch monitors IGMP messages and
discontinues forwarding multicast packets when there are no longer hosts requesting that they continue.
To view the following window, click L2 Features > L2 Multicast Control > IGMP Snooping > IGMP Snooping
Settings, as shown below:
Figure 4-55 IGMP Snooping Settins Window (RI Mode Only)
Figure 4-56 IGMP Snooping Settings window (EI and SI Mode Only)
The fields that can be configured are described below:
Parameter Description
Enter the maximum learning entry value. (EI and SI Mode Only)
Click the Apply button to accept the changes made for each individual section.
Click the Edit button to configure the IGMP Snooping Parameters Settings.
Click the Modify Router Port link to configure the IGMP Snooping Router Port Settings.
Enter a page number and click the Go button to navigate to a specific page when multiple pages exist.
After clicking the Edit button, the following window will appear:
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