ZyXEL Communications P-660HW-Tx v3 Series User Manual page 268

Chapter 16 Quality of Service (QoS)
gets through faster while traffic in lower index queues is dropped if the network is
congested.
Table 79 Internal Layer2 and Layer3 QoS Mapping
PRIORITY
QUEUE
0
1
2
3
4
5
6
7
268
LAYER 2 LAYER 3
IEEE 802.1P
USER PRIORITY TOS (IP
(ETHERNET PRECEDENCE)
PRIORITY)
1 0
2
0 0
3 1
4 2
5 3
6 4
5
7 6
7
IP PACKET
DSCP
LENGTH (BYTE)
000000
000000 >1100
001110 250~1100
001100
001010
001000
010110
010100
010010
010000
011110 <250
011100
011010
011000
100110
100100
100010
100000
101110
101000
110000
111000
P-660HW-Tx v3 Series User's Guide