D-Link DGE-560SX User Manual page 9

Gigabit Ethernet 1000BASE-SX(LC) PCI-Express X4 Adapter
In the Virtual LAN menu tab, click the Add VLAN button.
In the Add Virtual LAN pop-up menu, select the Virtual LAN ID (VID) number used for the system. A Virtual
LAN Name can also be created but is optional. The Add Virtual LAN menu is also used to configure Jumbo
Frames, Transmit Buffers, and Receive Buffers.
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