Is it possible to shape and queue on a switched port in a cisco 4506-E?

Question

Background

I have a cisco 4506-E with a sup 7L-E running IOS-XE 03.04.03.SG. The switch is connected to a 150 Mbps circuit via 1 Gbps ethernet port. The port is configured as a switched access port. There is a policy-map applied to shape the port to 150 Mbps as follows:

policy-map foo
  class class-default
    shape average 150000000

There is voip and video running over the circuit. In addition to shaping i'd like to make use of hardware output queues, especially the priority queue for voip. The ideal case would be to apply the "auto qos trust" settings in addition to the shaping.

Question

Is it possible to configure both shaping and queueing on a switched port such that the shaping happens first and then the queueing? Please provide a simple example policy-map.

Answer 1

This should be possible by using Hierarchical Queueing Framework (HQF).

The parent policy-map will do the shaping and the child policy-map will do the queueing. Configuration would look something like this:

class-map CM_VOICE
 match dscp ef
!
class CM_VIDEO
 match dscp cs4
!
policy-map PM_CHILD
 class CM_VOICE
  priority
  police percent 30
 !
 class CM_VIDEO
  bandwidth percent 50
!
policy-map PM_PARENT
 class class-default
  shape average 150000000
  service-policy PM_CHILD
!

Obviously replace matching with your own values, ACLs etc.