73
Additional Information 12
12. Additional Information
DSCP Name
DS Field Value
IP Precedence (Description)
CS0
0: Best Effort
CS1, AF11-AF13
8, 10, 12, 14
1: Priority
CS2, AF21-AF23
16, 18, 20, 22
2: Immediate
CS3, AF31-AF33
24, 26, 28, 30
3: Flash (mainly used for voice signalling)
CS4, AF41-AF43
32, 34, 36, 38
4: Flash Override
CS5, EF PHB
40, 46
5: Critical (mainly used for RTP)
VOICE ADMIT
44
5: Critical (uses Call Admission Control)
CS6
48
6: Internetwork Control
CS7
56
7: Network Control
Table 12-1: DSCP Names & Their Corresponding IP Precedence
Table 12-1 shows the corresponding IP precedence for the DSCP names
used in the PTP Profiles and AoIP Stream Settings. For more information on
the types of DSCP name, see the following documents;
• CS: Class Selector (RFC 2474)
• AFxy: Assured Forwarding (x= class, y = Drop Precedence) (RFC 2597)
• EF: Expedited Forwarding (RFC 3246)