TP-Link Jetstream T1500G-8T User Manual page 477

Configuring QoS
Step 5
Step 6
Step 7
The following example shows how to configure the trust mode of port 1/0/1 as dscp, map
802.1p priority 3 to TC4, map DSCP priority 1-3,5,7 to 802.1p priority 3, and configure to
map the original DSCP priority 9 to DSCP priority 5:
Switch#configure
Switch(config)#interface gigabitEthernet 1/0/1
Switch(config-if)#qos trust mode dscp
Switch(config-if)#exit
Switch(config)#qos cos-map 3 4
Switch(config)#qos dscp-map 1-3,5,7 3
Switch(config)#qos dscp-remap 9 5
Switch(config)#show qos trust interface gigabitEthernet 1/0/1
Port
--------
Gi1/0/1
Switch(config)#show qos cos-map
---------------+-----+-----+-----+-----+-----+-----+----+----
Dot1p Value |0
---------------+-----+-----+-----+-----+-----+-----+----+----
TC
---------------+-----+-----+-----+-----+-----+-----+----+----
Switch(config)#show qos dscp-map
DSCP:
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show qos dscp-remap
Verify the DSCP to DSCP mappings.
end
Return to privileged EXEC mode.
copy running-config startup-config
Save the settings in the configuration file.
Note:
In Trust DSCP mode, non-IP packets will be added an 802.1p priority based on the port to 802.1p
mapping and will be forwarded according to the 802.1p to queue mapping.
Trust Mode LAG
--------- ------
trust DSCP N/A
|1 |2
|TC0 |TC1 |TC2 |TC4 |TC4 |TC5 |TC6 |TC7
0 1 2
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|3 |4 |5 |6 |7
3 4 5 6 7
Class of Service Configuration
User Guide 454