TOS, DSCP, QoS Traffic Class Table
This appendix contains the TOS, DSCP, and QoS traffic Classes table. For details on configuring QoS shaping for SteelHead SD appliances, see Configuring QoS shaping on SteelHead SD.
TOS, DSCP, and QoS Traffic Classes Table
TOS Value
DSCP Value
Traffic Class ID
Traffic Class Priority
0
0
1
Normal
4
1
2
High
8
2
1
Normal
12
3
1
Normal
16
4
2
High
20
5
1
Normal
24
6
1
Normal
28
7
1
Normal
32
8
0
Low
36
9
1
Normal
40
10
1
Normal
44
11
1
Normal
48
12
1
Normal
52
13
1
Normal
56
14
1
Normal
60
15
1
Normal
64
16
2
High
68
17
1
Normal
72
18
2
High
76
19
1
Normal
80
20
2
High
84
21
1
Normal
88
22
2
High
92
23
1
Normal
96
24
2
High
100
25
1
Normal
104
26
2
High
108
27
1
Normal
112
28
2
High
116
29
1
Normal
120
30
2
High
124
31
1
Normal
128
32
3
Urgent
132
33
1
Normal
136
34
2
High
140
35
1
Normal
144
36
2
High
148
37
1
Normal
152
38
2
High
156
39
1
Normal
160
40
3
Urgent
164
41
1
Normal
168
42
1
Normal
172
43
1
Normal
176
44
3
Urgent
180
45
1
Normal
184
46
3
Urgent
188
47
1
Normal
192
48
3
Urgent
196
49
1
Normal
200
50
1
Normal
204
51
1
Normal
208
52
1
Normal
212
53
1
Normal
216
54
1
Normal
220
55
1
Normal
224
56
3
Urgent
228
57
1
Normal
232
58
1
Normal
236
59
1
Normal
240
60
1
Normal
244
61
1
Normal
248
62
1
Normal
252
63
1
Normal