Cisco IOS QoS Commands

See All Matched QoS

show mls qos interface statistics

See the DSCP to CoS Map

show mls qos map cos-dscp

See QoS on a single Interface

show mls qos interface Fa0/1

Trust All QoS Markings

mls qos trust dscp

Trust QoS if it comes from a Cisco Phone

mls qos trust device cisco-phone