Operation Manual – QoSH3C S5500-EI Series Ethernet Switches Chapter 5 Priority Mapping5-5To do… Use the command… RemarksEnter system view system-view —Enterportviewinterface interface-typeinterface-numberEnter portview orportgroupviewEnterportgroupviewport-group { manualport-group-name |aggregation agg-id }Perform either of the twooperations.The configuration performedin Ethernet port view appliesto the current port only. Theconfiguration performed inport group view applies to allthe ports in the port group.Configure portpriority qos priority priority-valueRequiredBy default, the port priority is0.5.3.3 Configuration ExamplesI. Network requirementsConfigure the port priority to 7.II. Configuration procedure# Enter system view. system-view# Configure port priority of GigabitEthernet1/0/1.[Sysname] interface GigabitEthernet 1/0/1[Sysname-GigabitEthernet1/0/1] qos priority 75.4 Configuring Port Priority Trust ModeYou can configure the switch to trust the DSCP precedence of the received packets. Inthis case, the switch searches the dscp-dot1p/dp/dscp mapping table for thecorresponding precedence according to the DSCP precedence of the packets andmarks the received packets with the precedence.5.4.1 Configuration PrerequisitesIt is determined to trust the DSCP precedence of received packets.5.4.2 Configuration ProcedureFollow these steps to configure the port priority trust mode:
