First we will need to create a class-map where we can match the traffic by using ACL
#class-map match-any
Match access-group 101 //you need to configure the ACL to match the traffic.
2. Then we will create a Policy map where we will apply the police calling the class that we created
#policy-map
Class
Police 128000 8000 8000 conform-action transmit exceed-action drop
//This is the syntax of the above command: police bps burst-normal burst-max conform-action action exceed-action action violate-action action
3. Lastly we will apply the policy map to an interface matching the policy name:
#int gi0/0/1 //you can use interface as per your network traffic.
Service-policy input