The following information describes QoS implementation guidelines and restrictions:
Creating additional QoS policies is optional.
Default policies are created for service ingress, service egress, access service egress, network, network queue, slope, remark, dot1p and DSCP classification, and port scheduler. (the policy types created varies across the platforms)
Associating a service, access, or access uplink with a QoS policy other than the default policy is optional.