R4#sh run | b class
class-map match-all ping
  match access-group 100
class-map match-all web
  match protocol http
class-map match-all routing
  match access-group 101
!
!
policy-map Prob21
  class web
   set dscp af21
  class ping
   set dscp af31
  class routing
   set dscp af43
  class class-default
   set dscp af12
!
interface FastEthernet0/0
 ip address dhcp
 duplex auto
 speed auto
 service-policy output Prob21

!
access-list 100 permit icmp any any echo
access-list 101 permit ospf any any