Learn how to configure port level queuing (8 queues on the 4000 series).

Recipe:
Traffic Class
Router# configure terminal
Router(config)# class-map match-any class1
Router(config-cmap)# match cos 2

Traffic Policy
Router# configure terminal
Router(config)# policy-map policy1
Router(config-pmap)# class class1
Router(config-pmap-c)# bandwidth 3000

Apply Service policy to interface
Router(config)# interface g1/1
Router(config-if)# service-policy input policy1

Additional Technical Information
Configuring varying sizes port level queues on the Catalyst 4500