3Com WX3000 operation manual Dscp precedence Target Dscp precedence

The devices provide COS-precedence-to-other-precedence, DSCP-precedence-to-other-precedence, and DSCP-precedence-to-DSCP- precedence mapping tables for priority mapping. Table 1-4 through Table 1-6 list the default settings of these tables.

Table 1-4The default COS-precedence-to-other-precedence mapping table of the devices

	802.1p precedence		Target local
			precedence
0		2
1		0
2		1
3		3
4		4
5		5
6		6
7		7

Target drop precedence

0

0

0

0

0

0

0

0

Target DSCP precedence

16

0

8

24

32

40

48

56

Table 1-5The default DSCP-precedence-to-other-precedence mapping table of the devices

DSCP precedence	Target local	Target drop	Target 802.1p
	precedence	precedence	precedence
0 to 7	0	1	1
8 to 15	1	1	2
16 to 23	2	1	0
24 to 31	3	1	3
32 to 39	4	0	4
40 to 47	5	0	5
48 to 55	6	0	6
56 to 63	7	0	7

Table 1-6The default DSCP-precedence-to-DSCP-precedence mapping table of the devices

DSCP precedence		Target DSCP precedence
0		0
1		1
2		2
3		3
...		...
61		61
62		62
63		63
	1-7