Qos Configuration; Qos Configuration Task List; Configuring Priority Trust Mode - 3Com 4200G 12-Port Configuration Manual

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:

Configuring Priority Trust Mode

Configuring Priority Mapping
Setting the Priority of Protocol Packets
Configuring Traffic Policing
Configuring Traffic Shaping
Configuring Queue Scheduling
Configuring Traffic Accounting
Enabling the Burst Function
Configuring Priority Trust Mode
Refer to Priority Trust Mode
Configuration prerequisites
The priority trust mode to be used has been determined.
The port where priority trust mode is to be configured has been determined.
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...
Enter system view
Enter Ethernet port view
Configure to trust port priority
and configure the port priority
2) Configuring a port to trust 802.1p precedence of traffic
Task
for details about available priority trust modes.
Use the command...
system-view
interface interface-type
interface-number
priority priority-level
1-13
Remarks
Optional
Optional
Optional
Optional
Optional
Optional
Optional
Optional
Remarks
—
—
Optional
By default, the switch
trusts port priority and
the priority of a port is
0.