Command Manual - QoS/ACL
Quidway S6500 Series Ethernet Switches Chapter 2 Qos Command
Huawei Technologies Proprietary
2-21
The switch can choose different levels of precedence when it puts the packets into the
port output queue.
The switch ports support eight output queues with different levels of precedence, The
higher the precedence, the earlier it will be delivered.
z dscp precedence: dscp precedence value ranges from 0 to 63 inclusive, then the
packets with precedence value 0 to 7 are put into queue 0, and those with
precedence value 8 to 15 are put into queue 1, and so on.
z ip-precedence: ip-precedence value ranges from 0 to 7, the packets with
precedence value 0 are put into queue 0, and those with precedence value 1 is put
into queue 1, and so on.
z cos precedence: cos value ranges from 0 to 7, the packet whose precedence
value is 0 is put into queue 2, the packet whose precedence value is 1 is put into
queue 0, the packet whose precedence value is 2 is put into queue 1, the packet
whose precedence value is 3 is put into queue 3, and so on.
z local-precedence: local-precedence value ranges from 0 to 7. The packet
whose precedence value is 0 is put into queue 0, and so on.
Example
# Configure the switch to choose dscp precedence.
[Quidway] priority-trust dscp
2.1.18 qos
Syntax
qos
View
Ethernet port view
Parameter
None
Description
Using the qos command, you can enter QoS view and perform the corresponding QoS
configuration.
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