R4#sh run | b pol
policy-map test
  class class-default
   set ip dscp ef
!
!
interface FastEthernet0/0
 ip address 180.40.7.130 255.255.255.224
 duplex auto
 speed auto
 service-policy output test
!


S5#sh run | b mls
!
mls qos map dscp-cos  8 9 10 11 13 14 15 to 0
mls qos map dscp-cos  24 25 27 28 29 30 31 40 to 4
mls qos map dscp-cos  41 42 43 44 45 47 to 4
mls qos
!
interface FastEthernet0/3
 switchport access vlan 10
 switchport mode dynamic desirable
 wrr-queue bandwidth 30 40 30 1
 wrr-queue cos-map 1 1
 wrr-queue cos-map 2 0 2 4 6 7
 wrr-queue cos-map 3 3
 wrr-queue cos-map 4 5
 priority-queue out
!



S6#sh run int fa 0/4
Building configuration...

Current configuration : 130 bytes
!
interface FastEthernet0/4
 switchport access vlan 10
 switchport mode dynamic desirable
 mls qos cos 5
 mls qos trust dscp
end