class-map match-all 2class
  match ip precedence 5 
!
!
policy-map POLICE
   class 2class
   bandwidth 384
   shape peak 512000
!
!
!

    Class-map: 2class (match-all)
      0 packets, 0 bytes
      5 minute offered rate 0 bps, drop rate 0 bps
      Match: ip precedence 4 
      Queueing
        Output Queue: Conversation 266 
        Bandwidth 384 (kbps) Max Threshold 64 (packets)
        (pkts matched/bytes matched) 0/0
        (depth/total drops/no-buffer drops) 0/0/0
      Traffic Shaping
           Target/Average   Byte   Sustain   Excess    Interval  Increment
             Rate           Limit  bits/int  bits/int  (ms)      (bytes)  
          1024000/512000    3200   12800     12800     25        3200     

        Adapt  Queue     Packets   Bytes     Packets   Bytes     Shaping
        Active Depth                         Delayed   Delayed   Active
        -      0         0         0         0         0         no

    Class-map: class-default (match-any)
      546 packets, 31452 bytes
      5 minute offered rate 0 bps, drop rate 0 bps
      Match: any 

!!! My interface access is 512Kbps !!!!!