Operation Manual – QoS-QoS ProfileH3C S3100-52P Ethernet Switch Chapter 1 QoS Configuration1-19between 802.1p priority and the output queues and assigning packets with differentpriorities to the corresponding output queues.Note that, this is a global setting, not a per port setting. This is only recommended foradvanced network environments.I. Configuration prerequisitesThe mapping between 802.1p priority and local precedence has been determined.II. Configuration procedureFollow these steps to configure the mapping between 802.1p priority and localprecedence:To do… Use the command… RemarksEnter system view system-view —Configure the mappingbetween 802.1ppriority and localprecedenceqos 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-precRequiredIII. Configuration examplez Configure the following mapping between 802.1p priority and local precedence: 0to 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[Sysname] qos cos-local-precedence-map 2 3 4 1 7 0 5 6[Sysname] display qos cos-local-precedence-mapcos-local-precedence-map:cos(802.1p) : 0 1 2 3 4 5 6 7--------------------------------------------------------------------------local precedence(queue) : 2 3 4 1 7 0 5 61.4.3 Setting the Priority of Protocol PacketsRefer to section Protocol Priority for information about priority of protocol packets.I. Configuration prerequisitesz The protocol type has been determined.z The priority type (IP or DSCP) and priority value have been determined.
