Hello emadehsan,
What model and software feature set are you using to accomplish this requirement?
According to the 3750 scg it is possible to reference a police map policy-map by using the service police [input | output] command in interface configuration mode.
Example:
access-list 1 permit 10.1.0.0 0.0.255.255
!
class-map ipclass1
match access-group 1
!
policy-map flow1
class ipclass1
police 256000 32000 exceed-action drop
interface Fa1/0/1
service-policy input flow1
Refer to the documentation site:
http://www.cisco.com/univercd/cc/td/doc/product/lan/cat3750/12225see/scg/swqos.htm#wp1032145
HTH
--Leon
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