3-9Configuration ProcedureFollow these steps to configure the port priority trust mode:To do… Use the command… RemarksEnter system view system-view —Enter portviewinterface interface-typeinterface-numberEnter portview orport groupview Enter portgroup viewport-group manualport-group-namePerform either of the two operations.The configuration performed in Ethernetinterface view applies to the current portonly. The configuration performed in portgroup view applies to all the ports in theport group.Configure to trust theDSCP precedence or the802.1p precedence ofthe received packetsqos trust { dscp | dot1p }Configure to trust the portpriority undo qod trustPerform either of the two operations.By default, the port priority is trusted.Configuration ExampleNetwork requirementsConfigure to trust the DSCP precedence of the received packets.Configuration procedure# Enter system view. system-view# Enter port view.[Sysname] interface GigabitEthernet 1/0/1[Sysname-GigabitEthernet1/0/1]# Configure to trust the DSCP precedence of the received packets.[Sysname-GigabitEthernet1/0/1] qos trust dscpDisplaying and Maintaining Priority MappingTo do… Use the command… RemarksDisplay the information about aspecified priority mapping tabledisplay qos map-table [ dot1p-dp |dot1p-lp | dscp-dot1p | dscp-dp |dscp-dscp ]Display the priority trust modeconfigured for a portdisplay qos trust interface [ interface-typeinterface-number ]Available in anyview