Dell N1100-ON Reference Manual page 667

IP DSCP
16(cs2)
17
18(af21)
19
20(af22)
21
22(af23)
23
24(cs3)
25
26(af31)
27
28(af32)
29
30(af33)
31
32(cs4)
33
34(af41)
35
36(af42)
37
38(af43)
39
40(cs5)
41
42
43
Traffic Class (queue-id)
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
Layer 2 Switching Commands
667