H3C S5120-SI Series Configuration Manual page 346

1 QoS Overview ············································································································································1-1
Introduction to QoS ·································································································································1-1
QoS Service Models ·······························································································································1-1
Best-Effort Service Model················································································································1-1
IntServ Model ··································································································································1-1
DiffServ Model ·································································································································1-2
QoS Techniques Overview ·····················································································································1-2
Applying QoS Techniques in a Network··························································································1-2
2 QoS Policy Configuration ·························································································································2-1
QoS Policy Overview ······························································································································2-1
Configuring a QoS Policy························································································································2-1
Defining a Class ······························································································································2-1
Defining a Traffic Behavior ··············································································································2-3
Defining a Policy······························································································································2-3
Applying the QoS Policy··························································································································2-4
Applying the QoS Policy to an Interface··························································································2-4
Displaying and Maintaining QoS Policies ·······························································································2-5
3 Priority Mapping Configuration················································································································3-1
Priority Mapping Overview ······················································································································3-1
Introduction to Priority Mapping·······································································································3-1
Priority Mapping Tables···················································································································3-2
Priority Trust Mode on a Port ··········································································································3-2
Priority Mapping Procedure·············································································································3-2
Priority Mapping Configuration Tasks ·····································································································3-3
Configuring Priority Mapping···················································································································3-3
Configuring a Priority Mapping Table ······························································································3-3
Configuring the Priority Trust Mode on a Port·················································································3-4
Configuring the Port Priority of a Port······························································································3-4
Displaying and Maintaining Priority Mapping ··························································································3-5
Priority Mapping Configuration Examples·······························································································3-5
Priority Mapping Table Configuration Example···············································································3-5
4 Line Rate Configuration ····························································································································4-1
Line Rate·················································································································································4-1
Line Rate Configuration ··························································································································4-1
Configuration procedure ··················································································································4-1
Line rate configuration example ······································································································4-2
5 Congestion Management Configuration ·································································································5-1
Congestion Management Overview········································································································5-1
Causes, Impacts, and Countermeasures of Congestion·································································5-1
Congestion Management Policies···································································································5-1
Congestion Management Configuration Methods ··················································································5-4
Configuring SP Queuing··················································································································5-4
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