xStack® DES-3200 Series Layer 2 Managed Fast Ethernet Switch
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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:
Figure 4-43 IGMP Snooping Group window
The user may search the IGMP Snooping Group Table by either VLAN Name or VID List by entering it in the top
left hand corner and clicking Find.
The fields that can be configured are described below:
Parameter 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.
If selected, only data driven groups will be displayed.
Click the Clear Data Driven button to delete the specific IGMP snooping group which is learned by the Data Driven
feature of the specified VLAN.
Click the View All button to display all the existing entries.
Click the Clear All Data Driven button to delete all IGMP snooping groups which is learned by the Data Driven
feature of specified VLANs.
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:
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