TL-SL3428_V3_User_Guide - TP-Link

Priority Level:Indicates the priority level the packets with tag are mapped to. Thepriority levels are labeled as TC0, TC1, TC2 and TC3.Note:To complete QoS function configuration, you have to go to the Schedule Mode page to select aschedule mode after the configuration is finished on this page.Configuration Procedure:Step Operation Description1 Log on to the 802.1P Prioritypage2 Enable 802.1P priorityfunction3 Map the 802.1P priority tag tothe priority levelRequired. By default, the 802.1P priority function isdisabled.Required. Select 802.1P priority tag and thecorresponding priority level.4 Select a schedule mode Required. Log on to the Schedule Mode page toselect a schedule mode.9.1.4 DSCP PriorityOn this page you can configure DSCP priority. DSCP (DiffServ Code Point) is a new definition to IPToS field given by IEEE. This field is used to divide IP datagram into 64 priorities. When DSCPPriority is enabled, IP datagram are mapped to different priority levels based on DSCP prioritymode; non-IP datagram with 802.1Q tag are mapped to different priority levels based on 802.1Ppriority mode if 8021.1P Priority mode is enabled; the untagged non-IP datagram are mapped basedon port priority mode.Choose the menu QoS→DiffServ→DSCP Priority to load the following page.114