TP-Link TL-SG2428P - Using the CLI

Configuring QoS Configuration Examples
User Guide 559
Figure 6-4 Configuring the Egress Queue
4) Click to save the settings.
6.1.4 Using the CLI
1) Set the trust mode of port 1/0/1 as untrusted and specify the 802.1p priority as 1.
Switch_A#configure
Switch_A(config)#interface gigabitEthernet 1/0/1
Switch_A(config-if)#qos trust mode untrust
Switch_A(config-if)#qos port-priority 1
Switch_A(config-if)#exit
2) Set the trust mode of port 1/0/2 as untrusted and specify the 802.1p priority as 0.
Switch_A(config)#interface gigabitEthernet 1/0/2
Switch_A(config-if)#qos trust mode untrust
Switch_A(config-if)#qos port-priority 0
Switch_A(config-if)#exit
3) Map the 802.1p priority 0 to TC-1 and map the 802.1p priority 1 to TC-0.
Switch_A(config)#qos cos-map 0 1
Switch_A(config)#qos cos-map 1 0