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By enabling the burst function on your device, you can improve the processing performance of the
device operating in the above scenarios and thus reduce packet loss rate. Because the burst function
may affect the QoS performance of your device, you must make sure that you are fully aware of the
impacts when enabling the burst function.
QoS Configuration
QoS Configuration Task List
Complete the following tasks to configure QoS:
Task Remarks
Configuring Priority Trust Mode
Optional
Configuring Priority Mapping Optional
Setting the Priority of Protocol Packets
Optional
Configuring Traffic Policing Optional
Configuring Traffic Shaping Optional
Configuring Queue Scheduling
Optional
Configuring Traffic Accounting Optional
Enabling the Burst Function Optional
Configuring Priority Trust Mode
Refer to Priority Trust Mode for details about available priority trust modes.
Configuration prerequisites
z The priority trust mode to be used has been determined.
z The port where priority trust mode is to be configured has been determined.
z The port priority value has been determined.
Configuration procedures
1) Configuring a port to trust port priority
Follow these steps to configure a port to trust port priority:
To do… Use the command… Remarks
Enter system view
system-view
—
Enter Ethernet port view
interface interface-type
interface-number
—
Configure to trust port priority
and configure the port priority
priority priority-level
Optional
By default, the switch
trusts port priority and
the priority of a port is
0.
2) Configuring a port to trust 802.1p precedence of traffic
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