To display the queuing information including buffer, threshold and queue limit values of a specified interface on a switch that runs Cisco NX-OS 4.2(1)N2(1): 

show queuing interface [port number] 

 

Class Map – Policy Map – Service Policy 

 

show run interface [interface] >>> to see Service Policy 

show policy-map [service policy name] 

show policy-map interface [interface name] 

 

show class-map [class name] 

 

For IOS XR: 

show policy-map pmap-name [service policy name]