About 802.1Q Packet Information (NDIS 5.1)
Note NDIS 5. x has been deprecated and is superseded by NDIS 6. x. For new NDIS driver development, see Network Drivers Starting with Windows Vista. For information about porting NDIS 5. x drivers to NDIS 6. x, see Porting NDIS 5.x Drivers to NDIS 6.0.
IEEE 802.1Q packet information marks each packet with a priority level and the identifier of the VLAN to which it belongs. The following topics describe 802.1Q packet information in more detail: