Igmp Snooping Group; Igmp Snooping Forwarding Table - D-Link xStack DGS-3420 Series Reference Manual

xStack® DGS-3420 Series Layer 2 Managed Stackable Gigabit Switch Web UI Reference Guide
Enter a VID (VLAN ID) in the field at the top of the window.
Click the Find button to locate a specific entry based on the information entered.
Enter a page number and click the Go button to navigate to a specific page when multiple pages exist.
NOTE: The abbreviations used on this page are Static Router Port (S), Dynamic Router Port (D)
and Forbidden Router Port (F).

IGMP Snooping Group

Users can view the Switch's IGMP Snooping Group Table. IGMP Snooping allows the Switch to read the Multicast
Group IP address and the corresponding MAC address from IGMP packets that pass through the Switch.
To view the following window, click L2 Features > L2 Multicast Control > IGMP Snooping > IGMP Snooping
Group, as show below:
The fields that can be configured are described below:
Parameter
VLAN Name
VID List
Port List
Group IPv4 Address
Data Driven
Click the Find button to locate a specific entry based on the information entered.
Click the View All button to display all the existing entries.
Click the Clear Data Driven button to clear data driven information for the specified entry.
Click the Clear All Data Driven button to clear data driven information for all entries.

IGMP Snooping Forwarding Table

This page displays the switch's current IGMP snooping forwarding table. It provides an easy way for user to check
the list of ports that the multicast group comes from and specific sources that it will be forwarded to. The packet
comes from the source VLAN. They will be forwarded to the forwarding VLAN. The IGMP snooping further restricts
the forwarding ports.
To view the following window, click L2 Features > L2 Multicast Control > IGMP Snooping > IGMP Snooping
Forwarding Table, as show below:
Figure 4-57 IGMP Snooping Group window
Description
The VLAN Name of the multicast group.
The VLAN ID list of the multicast group.
Specify the port number(s) used to find a multicast group.
Enter the IPv4 address.
Tick this option to enable or disable the data driven learning of an IGMP snooping
group.
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