Operation Manual – QoS-QoS ProfileH3C S3100 Series Ethernet Switches Chapter 1 QoS Configuration1-19[Sysname] undo priority trust[Sysname] interface Ethernet 1/0/1[Sysname-Ethernet1/0/1] priority 7# Configure an S3100-SI switch to trust the DSCP precedence of the received packets. system-view[Sysname] priority-trust dscp# Configure an S3100-EI switch to trust the DSCP precedence of the received packets. system-view[Sysname] priority trust[Sysname] priority-trust dscp# Configure to trust the 802.1p priority of the received packets.Approach I: system-view[Sysname] priority trustApproach II: system-view[Sysname] priority-trust cos1.4.2 Configuring Priority MappingYou can modify the CoS-precedence-to-local-precedence,DSCP-precedence-to-local-precedence and IP-precedence-to-local-precedencemapping tables as required to mark packets with different priorities.I. Configuration prerequisitesThe target CoS-precedence-to-local-precedence,DSCP-precedence-to-local-precedence and IP-precedence-to-local-precedencemapping tables are determined.II. Configuration procedureTable 1-11 Configure CoS-precedence-to-local-precedence mapping tableOperation Command DescriptionEnter system view system-view —ConfigureCoS-precedence-to-local-precedencemapping tableqos cos-local-precedence-mapcos0-map-local-prec cos1-map-local-preccos2-map-local-prec cos3-map-local-preccos4-map-local-prec cos5-map-local-preccos6-map-local-prec cos7-map-local-precRequired
