H3C Technologies H3C S3600 Series Switches - Manual (Page 729)

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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 S3600 Series Ethernet Switches ·············································································1-3
Introduction to QoS Functions ················································································································1-4
Traffic Classification ························································································································1-4
Priority Trust Mode ··························································································································1-4
Protocol Priority ·······························································································································1-8
Priority Marking································································································································1-8
Traffic Policing ·································································································································1-8
Line Rate ·········································································································································1-9
Traffic Redirecting ···························································································································1-9
VLAN Mapping ······························································································································1-10
Queue Scheduling ·························································································································1-10
Congestion Avoidance···················································································································1-12
Flow-based Traffic Accounting ······································································································1-13
Burst ··············································································································································1-13
Traffic mirroring ·····························································································································1-13
QoS Configuration·································································································································1-13
Configuring Priority Trust Mode·····································································································1-14
Configuring the Mapping between 802.1p Priority and Local Precedence ···································1-15
Setting the Priority of Protocol Packets ·························································································1-16
Marking Packet Priority··················································································································1-16
Configuring Traffic Policing ···········································································································1-18
Configuring Line Rate····················································································································1-19
Configuring Traffic Redirecting······································································································1-19
Configuring VLAN Mapping···········································································································1-20
Configuring Queue Scheduling ·····································································································1-21
Configuring WRED ························································································································1-23
Configuring Traffic Accounting ······································································································1-23
Enabling the Burst Function ··········································································································1-24
Configuring Traffic Mirroring ··········································································································1-24
Displaying and Maintaining QoS···········································································································1-26
QoS Configuration Examples················································································································1-26
Configuration Example of Traffic policing and Line Rate ······························································1-26
Configuration Example of Priority Marking and Queue Scheduling ··············································1-27
VLAN Mapping Configuration Example·························································································1-29
Configuring Traffic Mirroring and Redirecting Traffic to a Port······················································1-31
2 QoS Profile Configuration ························································································································2-1
Overview ·················································································································································2-1