A basic service ingress QoS policy must conform to the following:
Have a unique service ingress QoS policy ID.
Allocate number of classifier and meter resources needed for use
Have a QoS policy scope of template or exclusive.
Have at least one default unicast forwarding class meter/queue.
(optionally) Use multipoint forwarding class meter/queues.
Configuring and applying QoS policies is optional. If no QoS policy is explicitly applied to a SAP, a default QoS policy is applied.