Operation Manual – QoSH3C S7500 Series Ethernet Switches Chapter 1 QoS Configuration1-16III. Configuration example# Configure to put a packet into an output queue according to the DSCP precedence ofthe packet. system-view[H3C] priority-trust dscp1.4.2 Configuring the 802.1p-Priority–to-Queue MappingYou can modify the 802.1p-priority–to-local-precedence mapping to modify the802.1p-priority-to–queue mapping.I. Configuration prerequisitesThe default 802.1p-priority–to-local-precedence mapping table is well known.II. Configuration procedureFollow these steps to configure the COS-to-local-precedence mapping table:To do… Use the command… RemarksEnter system view system-view —Configure theCOS-to-local-precedence mapping tableqos cos-local-precedence-mapcos0-map-local-preccos1-map-local-preccos2-map-local-preccos3-map-local-preccos4-map-local-preccos5-map-local-preccos6-map-local-preccos7-map-local-precOptionalDisplay the mappingtabledisplay qoscos-local-precedence-mapOptionalYou can execute thedisplay command inany view.III. Configuration examplez Configure the 802.1p-to-local-precedence mapping as follows: 0 to 2, 1 to 3, 2 to 4,3 to 1, 4 to 7, 5 to 0, 6 to 5 and 7 to 6.z Display the configuration.Configuration procedure: system-view[H3C] qos cos-local-precedence-map 2 3 4 1 7 0 5 6[H3C] display qos cos-local-precedence-mapcos-local-precedence-map:cos : 0 1 2 3 4 5 6 7