TP-LINK 24-Port 10/100Mbps + 4-Port Gigabit L2 Managed Switch TL-SL3428 Hoja De Datos

 

3 

Map the DSCP priority to the 
priority level 

Required. Select DSCP priority and the corresponding 
priority level. 

4 

Select a schedule mode 

Required. Log on to the Schedule Mode page to 
select a schedule mode. 

On this page you can configure the mapping relation between the 802.1P priority tag-id/CoS-id and 
the TC-id.   

802.1P gives the Pri field in 802.1Q tag a recommended definition. This field, ranging from 0-7, is 
used to divide packets into 8 priorities. 802.1P Priority is enabled by default, so the packets with 
802.1Q tag are mapped to different priority levels based on 802.1P priority mode but the untagged 
packets are mapped based on port priority mode. With the same value, the 802.1P priority tag and 
the CoS will be mapped to the same TC. 

Choose the menu QoS→DiffServ→802.1P/CoS Mapping to load the following page. 

 

Figure 9-8 802.1P Priority 

The following entries are displayed on this screen: 



Select Enable/Disable 802.1P Priority. 



Indicates the precedence level defined by IEEE802.1P and the 
CoS ID. 

Indicates the priority level of egress queue the packets with tag 
and CoS-id are mapped to. The priority levels of egress queue are 
labeled as TC0, TC1, TC2 and TC3. By default, the mapping 
relation between tag/cos and the egress queue is: 0-TC1, 
1-TC0, 2-TC0, 3-TC1, 4-TC2, 5-TC2, 6-TC3, 7-TC3. 

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