R4#
R4#sh run | b class
 class-map match-all web
  match protocol http
 class-map match-all ospf
  match access-group 100
 class-map match-all ping
  match access-group 101
!
!
 policy-map Prob21
  class ping
   set dscp af31
  class web
   set dscp af21
  class ospf
   set dscp af43
  class class-default
   set dscp af12
!
!
!
!
interface FastEthernet0/0
 ip address 180.40.7.130 255.255.255.224
 service-policy output Prob21
 duplex auto
 speed auto
!
access-list 100 permit ospf any any
access-list 101 permit icmp any any echo
access-list 101 permit icmp any any echo-reply
!

R4#