Web Configuration
D-Link DSL-2600U User Manual
49
Click Save/Apply. This configuration takes effective at once.
QoS-802.1p Setting
The IEEE 802.1p priority marking method is a standard for prioritizing network traffic at the data link/Mac sub-layer 802.1p traffic is simply classified and sent to the
destination, with no bandwidth reservations established.
The follow diagram shows the structure of 802.1Q Frame. The 802.1Q header includes a 3-bit prioritization field, which allows packets to be grouped to be grouped into
eight levels of priority (0-7), where level 7 is the highest one. In addition, DSL maps these eight levels to priority queues, where queue 1 has the highest priority.
Layer 2 802.Q frame
Preamble
SFD
DA
SA
mark
(4
word)
Len/Etype
(2 word)
DATA FCS
Mark
TPID(0x8100)
Priority(3bit) CFI (1bit) VLAN ID
(12bit)
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