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Table of Contents
1 QoS Configuration·····································································································································1-1
Overview ·················································································································································1-1
Introduction to QoS··························································································································1-1
Traditional Packet Forwarding Service····························································································1-1
New Applications and New Requirements ······················································································1-1
Major Traffic Control Techniques ····································································································1-2
QoS Supported by Devices·····················································································································1-2
Traffic Classification ························································································································1-2
Precedence ·····································································································································1-3
Priority Trust Mode ··························································································································1-5
Protocol Priority ·······························································································································1-8
Priority Marking································································································································1-8
Traffic Policing and Traffic Shaping·································································································1-8
Traffic Redirecting ·························································································································1-10
VLAN Mapping ······························································································································1-10
Queue Scheduling·························································································································1-10
Flow-based Traffic Accounting ······································································································1-13
Burst ··············································································································································1-13
Traffic mirroring ·····························································································································1-13
QoS Configuration·································································································································1-13
QoS Configuration Task List ·········································································································1-13
Configuring Priority Trust Mode·····································································································1-14
Configuring Priority Mapping ·········································································································1-15
Setting the Priority of Protocol Packets·························································································1-18
Marking Packet Priority··················································································································1-19
Configuring Traffic Policing ···········································································································1-20
Configuring Traffic Shaping···········································································································1-22
Configuring Traffic Redirecting······································································································1-23
Configuring VLAN Mapping···········································································································1-25
Configuring Queue Scheduling ·····································································································1-25
Collecting/Clearing Traffic Statistics······························································································1-27
Enabling the Burst Function ··········································································································1-29
Configuring Traffic Mirroring··········································································································1-29
Displaying and Maintaining QoS ···································································································1-32
QoS Configuration Example ·················································································································1-33
Configuration Example of Traffic Policing ·····················································································1-33
2 QoS Profile Configuration ························································································································2-1
Overview ·················································································································································2-1
Introduction to QoS Profile ··············································································································2-1
QoS Profile Application Mode ·········································································································2-1
QoS Profile Configuration ·······················································································································2-2
QoS Profile Configuration Task List ································································································2-2
Configuring a QoS Profile················································································································2-2
