Cisco Systems 3560 사용자 설명서

To return a port to its non-trusted state, use the no mls qos trust interface configuration command. To 
return to the default DSCP-to-DSCP-mutation map values, use the no mls qos map dscp-mutation 
dscp-mutation-name global configuration command.

This example shows how to configure a port to the DSCP-trusted state and to modify the 
DSCP-to-DSCP-mutation map (named gi0/2-mutation) so that incoming DSCP values 10 to 13 are 
mapped to DSCP 30:

Switch(config)# mls qos map dscp-mutation gi0/2-mutation 10 11 12 13 to 30

Switch(config)# interface gigabitethernet0/2

Switch(config-if)# mls qos trust dscp

Switch(config-if)# mls qos dscp-mutation gi0/2-mutation

Switch(config-if)# end

Configuring a QoS policy typically requires classifying traffic into classes, configuring policies applied 
to those traffic classes, and attaching policies to ports.

For background information, see the 

 and the 

. For configuration guidelines, see the 

These sections describe how to classify, police, and mark traffic. Depending on your network 
configuration, you must perform one or more of these tasks:

Verify your entries.

(Optional) Save your entries in the configuration file.