Operation Manual – QoS-QoS ProfileH3C S3100 Series Ethernet Switches Chapter 1 QoS Configuration1-211.4.3 Marking Packet PriorityNote:Only H3C S3100-EI series switches support this configuration.Refer to section Priority Marking for information about marking packet priority.Marking packet priority can be implemented in the following two ways:z Through traffic policingWhen configuring traffic policing, you can define the action of marking the 802.1ppriority and DSCP precedence for packets exceeding the traffic specification. Refer tosection Configuring Traffic Policing.z Through the traffic-priority commandYou can use the traffic priority command to mark the 802.1p priority, local precedenceand DSCP precedence of the packets.I. Configuration prerequisitesThe following items are defined or determined before the configuration:z The ACL rules used for traffic classification are specified. Refer to the ACL moduleof this manual for related information.z The type and value of the precedence to be marked for the packets matching theACL rules are determined.II. Configuration procedureYou can mark priority for all the packets matching specific ACL rules, or for packets thatmatch specific ACL rules and are of a VLAN, of a port group, or pass a port.Table 1-14 Mark the priority for the packets matching specific ACL rulesOperation Command DescriptionEnter system view system-view —Mark the priorities forpackets matchingspecific ACL rulestraffic-priority inbound acl-rule{ dscp dscp-value | cos cos-value |local-precedence pre-value }*Required