H3C S7500E Series Configuration Manual

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H3C S7500E Series Configuration Manual Manual pdf 77 page image

9-19 Priority Marking ConfigurationWhen configuring priority marking, go to these sections for information you are interested in:z Priority Marking Overviewz Configuring Priority Markingz Priority Marking Configuration ExamplePriority Marking OverviewPriority marking can be used together with priority mapping. For details, see Priority Mapping Tableand Priority Marking Configuration Example.Priority marking sets the priority fields or flag bits of packets to modify the priority of traffic. For example,you can use priority marking to set IP precedence or DSCP for a class of IP traffic to change itstransmission priority in the network.To configure priority marking, you can associate a class with a behavior configured with the prioritymarking action to set the priority fields or flag bits of the class of packets.Configuring Priority MarkingFollow these steps to configure priority marking:To do… Use the command… RemarksEnter system view system-view —Create a class and enter classviewtraffic classifier tcl-name [ operator { and| or } ] —Configure the match criteria if-match match-criteria —Exit class view quit —Create a behavior and enterbehavior view traffic behavior behavior-name —Set the DSCP value forpackets remark dscp dscp-value Optional