Cisco Catalyst 3750 Metro Command Reference Manual page 308

mls qos cos
This example shows how to assign all the packets entering a port to the default port CoS value of 4 on a
port:
Switch(config)# interface gigabitethernet1/0/1
Switch(config-if)# mls qos cos 4
Switch(config-if)# mls qos cos override
You can verify your settings by entering the show mls qos interface privileged EXEC command.
Related Commands Command
show mls qos interface
Catalyst 3750 Metro Switch Command Reference
2-280
Chapter 2
Description
Displays quality of service (QoS) information at the port level.
Catalyst 3750 Metro Switch Cisco IOS Commands
OL-9645-10