3Com WX3000 Series Operation Manual page 368

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 1-6 list the default settings of these tables.
Table 1-4 The default COS-precedence-to-other-precedence mapping table of the devices
802.1p precedence
0
1
2
3
4
5
6
7
Table 1-5 The default DSCP-precedence-to-other-precedence mapping table of the devices
DSCP precedence
0 to 7
8 to 15
16 to 23
24 to 31
32 to 39
40 to 47
48 to 55
56 to 63
Table 1-6 The default DSCP-precedence-to-DSCP-precedence mapping table of the devices
DSCP precedence
0
1
2
3
...
61
62
63
Target local
precedence
2
0
1
3
4
5
6
7
Target local
precedence
0
1
2
3
4
5
6
7
0
1
2
3
...
61
62
63
1-7
Target drop
precedence
0
0
0
0
0
0
0
0
Target drop
precedence
1
1
1
1
0
0
0
0
Target DSCP precedence
Table 1-4 through
Target DSCP
precedence
16
0
8
24
32
40
48
56
Target 802.1p
precedence
1
2
0
3
4
5
6
7