Cisco Catalyst 4500 Series Command Reference Manual page 638

qos trust
Trusted boundary should not be configured on the ports that are part of an EtherChannel (that is, a port
channel).
Examples
This example shows how to set the trusted state of an interface to CoS:
Switch(config-if)# qos trust cos
Switch(config-if)#
This example shows how to set the trusted state of an interface to DSCP:
Switch(config-if)# qos trust dscp
Switch(config-if)#
This example shows how to set the PVID CoS level to 6:
Switch(config-if)# qos trust extend cos 6
Switch(config-if)#
This example shows how to set the Cisco phone as the trust device:
Switch(config-if)# qos trust device cisco-phone
Switch(config-if)#
Related Commands Command
queue-limit
show qos interface
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
2-580
Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
Description
Defines per-VLAN QoS for a Layer 2 interface.
Displays QoS information for an interface.
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