R3#sh run | b class
!
ip nbar port-map ftp tcp 20 21
!
class-map match-all telnet
  match protocol telnet
class-map match-all ftp
  match protocol ftp
!
!
policy-map Prob7
  class telnet
   bandwidth percent 24
  class ftp
   bandwidth percent 51
  class class-default
   bandwidth percent 25
!
interface Serial1/2
 ip address 180.40.7.1 255.255.255.224
 max-reserved-bandwidth 100
 service-policy output Prob7
!