DSCP options in network tests

Last updated: Mon Feb 04 23:45:55 GMT 2019

The following DSCP values are supported in Voice (RTP Stream), Network (Agent-to-Agent), and Network (Agent-to-Server) tests. 

Name

Decimal Value
(dscpId)

Comments

Best Effort (DSCP 0)

0

Class 0, default (routine)

CS1 (DSCP 8)

8

Class 1 – similar to ToS Precedence (priority)

CS2 (DSCP 16)

16

Class 2 – similar to the ToS Precedence (immediate)

CS3 (DSCP 24)

24

Class 3 – similar to the ToS Precedence (flash)

CS4 (DSCP 32)

32

Class 4 – similar to the ToS Precedence (flash override)

CS5 (DSCP 40)

40

Class 5 – similar to the ToS Precedence (critical)

CS6 (DSCP 48)

48

Class 6 – similar to the ToS Precedence (Internetwork Control)

CS7 (DSCP 56)

56

Class 7 – similar to the ToS Precedence (Network Control)

AF11 (DSCP 10)

10

Assured Forwarding (AF) Class 1 – low drop precedence

AF12 (DSCP 12)

12

Assured Forwarding (AF) Class 1 – medium drop precedence

AF13 (DSCP 14)

14

Assured Forwarding (AF) Class 1 – high drop precedence

AF21 (DSCP 18)

18

Assured Forwarding (AF) Class 2 – low drop precedence

AF22 (DSCP 20)

20

Assured Forwarding (AF) Class 2 – medium drop precedence

AF23 (DSCP 22)

22

Assured Forwarding (AF) Class 2 – high drop precedence

AF31 (DSCP 26)

26

Assured Forwarding (AF) Class 3 – low drop precedence

AF32 (DSCP 28)

28

Assured Forwarding (AF) Class 3 – medium drop precedence

AF33 (DSCP 30)

30

Assured Forwarding (AF) Class 3 – high drop precedence

AF41 (DSCP 34)

34

Assured Forwarding (AF) Class 4 – low drop precedence     

AF42 (DSCP 36)

36

Assured Forwarding (AF) Class 4 – medium drop precedence

AF43 (DSCP 38)

38

Assured Forwarding (AF) Class 4 – high drop precedence

EF PHB (DSCP 46)

46

Expedited Forwarding – high priority, higher drop probability 

Voice Admit (DSCP 44)

44

Expedited Forwarding – high priority, higher drop probability