D-Link DGS-3100-48 Product Manual - Page 119

DGS-3100 Series Gigabit Stackable Managed Switch User Manual Figure 0-26. Multicast Filtering Mode Page The Multicast Filtering Mode Page contains the following fields: Field Unit Description Defines the stacking unit number to specify a port range, or LAG to specify a LAG range. From Port or From LAG Defines the first port or LAG in a consecutive sequence of ports or LAGs. To Port or To LAG Defines the last port or LAG in a consecutive sequence of ports or LAGs. All Specifies that the filtering mode applies to all ports or LAGs. Filtering Mode Defines the multicast filtering mode for unregistered Multicast groups. The possible field values are: Filter Unregistered Groups - Filters unregistered Multicast groups. Forward Unregistered Groups - Forwards unregistered Multicast groups. This is the default mode. 2. Define the Unit and Filtering Mode fields. 3. Select either All or specify a port (LAG) range in the From Port (From LAG) and To Port (To LAG) fields. 4. Click updated. .The Multicast filtering settings are applied to the ports (LAGs), and the device is Defining DLF Filtering The Destination Lookup Failure (DLF) filtering mode allows the user to define egress filtering for unknown unicast packets. Once an egress port is set to filter/forward DLF packets, DLF traffic on all the VLANs will be configured to filter/forward DLF packets. The DLF Filtering Mode Page allows users to specify DLF filtering per port or globally and define the required filtering mode. By default, the DLF filtering mode is defined as forwarding which causes packet flooding as opposed to packet filtering which minimizes traffic within the network. 1. Click L2 Features > Forward & Filtering >DLF Filtering Mode. The DLF Filtering Mode Page opens: 103