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IP QoS
(Prec/DSCP/ToS Lookup Table)

IP
Precedence
DSCP ToS
Not-ECT ECT(1) ECT(0) CE
Default 0
(routine)
0x00 (0) 0x00 (0)
000|000|00
0x01 (1)
000|000|01
0x02 (2)
000|000|10
0x03 (3)
000|000|11
CS1 1
(priority)
0x08 (8) 0x20 (32)
001|000|00
0x21 (33)
001|000|01
0x22 (34)
001|000|10
0x23 (35)
001|000|11
AF11 - L 0x0a (10) 0x28 (40)
001|010|00
0x29 (41)
001|010|01
0x2a (42)
001|010|10
0x2b (43)
001|010|11
AF12 - M 0x0c (12) 0x30 (48)
001|100|00
0x31 (49)
001|100|01
0x32 (50)
001|100|10
0x33 (51)
001|100|11
AF13 - H 0x0e (14) 0x38 (56)
001|110|00
0x39 (57)
001|110|01
0x3a (58)
001|110|10
0x3b (59)
001|110|11
CS2 2
(immediate)
0x10 (16) 0x40 (64)
010|000|00
0x41 (65)
010|000|01
0x42 (66)
010|000|10
0x43 (67)
010|000|11
AF21 - L 0x12 (18) 0x48 (72)
010|010|00
0x49 (73)
010|010|01
0x4a (74)
010|010|10
0x4b (75)
010|010|11
AF22 - M 0x14 (20) 0x50 (80)
010|100|00
0x51 (81)
010|100|01
0x52 (82)
010|100|10
0x53 (83)
010|100|11
AF23 - H 0x16 (22) 0x58 (88)
010|110|00
0x59 (89)
010|110|01
0x5a (90)
010|110|10
0x5b (91)
010|110|11
CS3 3
(flash)
0x18 (24) 0x60 (96)
011|000|00
0x61 (97)
011|000|01
0x62 (98)
011|000|10
0x63 (99)
011|000|11
AF31 - L 0x1a (26) 0x68 (104)
011|010|00
0x69 (105)
011|010|01
0x6a (106)
011|010|10
0x6b (107)
011|010|11
AF32 - M 0x1c (28) 0x70 (112)
011|100|00
0x71 (113)
011|100|01
0x72 (114)
011|100|10
0x73 (115)
011|100|11
AF33 - H 0x1e (30) 0x78 (120)
011|110|00
0x79 (121)
011|110|01
0x7a (122)
011|110|10
0x7b (123)
011|110|11
CS4 4
(flash-override)
0x20 (32) 0x80 (128)
100|000|00
0x81 (129)
100|000|01
0x82 (130)
100|000|10
0x83 (131)
100|000|11
AF41 - L 0x22 (34) 0x88 (136)
100|010|00
0x89 (137)
100|010|01
0x8a (138)
100|010|10
0x8b (139)
100|010|11
AF42 - M 0x24 (36) 0x90 (144)
100|100|00
0x91 (145)
100|100|01
0x92 (146)
100|100|10
0x93 (147)
100|100|11
AF43 - H 0x26 (38) 0x98 (152)
100|110|00
0x99 (153)
100|110|01
0x9a (154)
100|110|10
0x9b (155)
100|110|11
CS5 5
(critical)
0x28 (40) 0xa0 (160)
101|000|00
0xa1 (161)
101|000|01
0xa2 (162)
101|000|10
0xa3 (163)
101|000|11
EF 0x2e (46) 0xb8 (184)
101|110|00
0xb9 (185)
101|110|01
0xba (186)
101|110|10
0xbb (187)
101|110|11
CS6 6
(internet)
0x30 (48) 0xc0 (192)
110|000|00
0xc1 (193)
110|000|01
0xc2 (194)
110|000|10
0xc3 (195)
110|000|11
CS7 7
(network)
0x38 (56) 0xe0 (224)
111|000|00
0xe1 (225)
111|000|01
0xe2 (226)
111|000|10
0xe3 (227)
111|000|11