S6#sh run | b mls
mls qos map dscp-cos  8 9 11 13 15 24 25 27 to 2
mls qos map dscp-cos  29 31 to 2
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interface GigabitEthernet0/2
 switchport mode dynamic desirable
 wrr-queue bandwidth 25 50 25 1
 wrr-queue random-detect max-threshold 3 40 80
 wrr-queue cos-map 1 1
 wrr-queue cos-map 2 0 2 4 5 6 7
 wrr-queue cos-map 3 3
 wrr-queue dscp-map 2 26