Huawei Quidway S5600 Series Operation Manual page 715

Operation Manual - QoS&QoS Profile
Quidway S5600 Series Ethernet Switches
service level can be segmented. The QoS rank of the AF class is lower than that of
the EF class;
Class selector (CS) class: This class comes from the IP TOS field and includes 8
classes;
Best Effort (BE) class: This class is a special class without any assurance in the
CS class. The AF class can be degraded to the BE class if it exceeds the limit.
Current IP network traffic belongs to this class by default.
Table 1-2 Description on DSCP values
ef
af11
af12
af13
af21
af22
af23
af31
af32
af33
af41
af42
af43
cs1
cs2
cs3
cs4
cs5
cs6
cs7
default (be)
2) 802.1p priority
802.1p priority lies in Layer 2 packet headers and is applicable to occasions where the
Layer 3 packet header does not need analysis but QoS must be assured in Layer 2.
DSCP DSCP value (decimal)
46
10
12
14
18
20
22
26
28
30
34
36
38
8
16
24
32
40
48
56
0
Huawei Technologies Proprietary
1-3
Chapter 1 QoS Configuration
DSCP value (binary)
101110
001010
001100
001110
010010
010100
010110
011010
011100
011110
100010
100100
100110
001000
010000
011000
100000
101000
110000
111000
000000