DSCP & TOS

The following table shows common decimal, hex and binary values for TOS, broken down into the meaning of the parts of that byte including DSCP values when interpreting that byte as DSCP.


TOS (Dec)TOS (Hex)TOS (Bin)

TOS Precedence (Bin)

TOS Precedence (Dec)

TOS Precedence NameTOS Delay flagTOS Throughput flagTOS Reliability flagDSCP (Bin)DSCP (Hex)DSCP (Dec)DSCP/PHB Class
00x0000000000

000

0

Routine

0

0

0

0000000x000none
40x0400000100

000

0

Routine

0

0

1

0000010x011none
80x0800001000

000

0

Routine

0

1

0

0000100x022none
120x0C00001100

000

0

Routine

0

1

1

0000110x033none
160x1000010000

000

0

Routine

1

0

0

0001000x044none
320x2000100000

001

1

Priority

0

0

0

0010000x088cs1
400x2800101000

001

1

Priority

0

1

0

0010100x0A10af11
480x3000110000

001

1

Priority

1

0

0

0011000x0C12af12
560x3800111000

001

1

Priority

1

1

0

0011100x0E14af13
640x4001000000

010

2

Immediate

0

0

0

0100000x1016cs2
720x4801001000

010

2

Immediate

0

1

0

0100100x1218af21
800x5001010000

010

2

Immediate

1

0

0

0101000x1420af22
880x5801011000

010

2

Immediate

1

1

0

0101100x1622af23
960x6001100000

011

3

Flash

0

0

0

0110000x1824cs3
1040x6801101000

011

3

Flash

0

1

0

0110100x1A26af31
1120x7001110000

011

3

Flash

1

0

0

0111000x1C28af32
1200x7801111000

011

3

Flash

1

1

0

0111100x1E30af33
1280x8010000000

100

4

FlashOverride

0

0

0

1000000x2032cs4
1360x8810001000

100

4

FlashOverride

0

1

0

1000100x2234af41
1440x9010010000

100

4

FlashOverride

1

0

0

1001000x2436af42
1520x9810011000

100

4

FlashOverride

1

1

0

1001100x2638af43
1600xA010100000

101

5

Critical

0

0

0

1010000x2840cs5
1760xB010110000

101

5

Critical

1

0

0

1011000x2C44voice-admit
1840xB810111000

101

5

Critical

1

1

0

1011100x2E46ef
1920xC011000000

110

6

InterNetwork Control

0

0

0

1100000x3048cs6
2240xE011100000

111

7

Network Control

0

0

0

1110000x3856cs7