D-Link DGS-3048 Product Manual - Page 59
IEEE 802.1Q Tag, must be recalculated.
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DGS-3048 Gigabit Ethernet Switch Manual Figure 8- 2. IEEE 802.1Q Tag The EtherType and VLAN ID are inserted after the MAC source address, but before the original EtherType/Length or Logical Link Control. Because the packet is now a bit longer than it was originally, the Cyclic Redundancy Check (CRC) must be recalculated. Figure 8- 3. Adding an IEEE 802.1Q Tag 47
DGS-3048 Gigabit Ethernet Switch Manual
Figure 8- 2. IEEE 802.1Q Tag
The EtherType and VLAN ID are inserted after the MAC source address, but before the original EtherType/Length or
Logical Link Control. Because the packet is now a bit longer than it was originally, the Cyclic Redundancy Check (CRC)
must be recalculated.
Figure 8- 3. Adding an IEEE 802.1Q Tag
47