Chapter 17 Traffic Shaping for FortiOS 5.0 : Traffic shaping methods : Tos and DSCP mapping
  
Tos and DSCP mapping
The table below lists the mapping of DSCP and ToS hexadecimal values for QoS.
Table 103: ToS to DSCP mappings
Service Class
DSCP Bits
DSCP Value
ToS Value
ToS Hexidecimal
Network Control
111000
56-63
224
0xE0
Internetwork Control
110000
48-55
192
0xC0
Critical - Voice Data (RTP)
101110
46
184
0xB8
101000
40
160
0xA0
Flash Override
Video Data
100010
34
136
0x88
100100
36
144
0x90
100110
38
152
0x98
100000
32
128
0x80
Flash
Voice Control
011010
26
104
0x68
011100
28
112
0x70
011110
30
120
0x78
011000
24
96
0x60
Immediate
Deterministic (SNA)
010010
18
72
0x48
010100
20
80
0x50
010110
22
88
0x58
010000
16
64
0x40
Priority
Controlled Load
001010
10
40
0x28
001100
12
48
0x30
001110
14
56
0x38
001000
8
32
0x20
Routine - Best Effort
000000
0
0
0x00
Routine - Penalty Box
000010
2
8
0x08
See also 
Shared policy shaping
Per-IP shaping
Application control shaping
Type of Service priority
Differentiated Services
Tos and DSCP mapping
Traffic Shaper Monitor