H3C S7500E Series Configuration Manual page 8

4 Priority Mapping Configuration················································································································4-1
Priority Mapping Overview ······················································································································4-1
Introduction to Priority Mapping·······································································································4-1
Priority Mapping Tables···················································································································4-1
Priority Trust Mode on a Port ··········································································································4-2
Priority Mapping Procedure·············································································································4-2
Priority Mapping Configuration Tasks ·····································································································4-4
Configuring Priority Mapping···················································································································4-5
Configuring a Priority Mapping Table ······························································································4-5
Configuring the Priority Trust Mode on a Port·················································································4-5
Configuring the Port Priority of a Port······························································································4-6
Displaying and Maintaining Priority Mapping··························································································4-6
Priority Mapping Configuration Examples·······························································································4-7
Priority Mapping Table and Priority Marking Configuration Example··············································4-7
5 Traffic Policing, Traffic Shaping, and Line Rate Configuration····························································5-1
Traffic Policing, Traffic Shaping, and Line Rate Overview······································································5-1
Traffic Evaluation and Token Buckets·····························································································5-1
Traffic Policing ·································································································································5-2
Traffic Shaping ································································································································5-3
Line Rate ·········································································································································5-4
Configuring Traffic Policing ·····················································································································5-5
Configuration Procedure··················································································································5-5
Configuration Example ····················································································································5-6
Configuring GTS ·····································································································································5-7
Configuration Procedure··················································································································5-7
Configuration Example ····················································································································5-8
Configuring the Line Rate ·······················································································································5-8
Configuration Procedure··················································································································5-8
Configuration Example ····················································································································5-8
Displaying and Maintaining Traffic Policing, GTS, and Line Rate ··························································5-9
6 Congestion Management Configuration ·································································································6-1
Congestion Management Overview········································································································6-1
Causes, Impacts, and Countermeasures of Congestion·································································6-1
Congestion Management Policies···································································································6-2
Congestion Management Configuration Approaches ·············································································6-4
Per-Queue Hardware Congestion Management ····················································································6-5
Configuring SP Queuing··················································································································6-5
Configure WRR Queuing·················································································································6-6
Configuring WFQ Queuing ··············································································································6-6
Configuring SP+WRR Queues ········································································································6-8
Configuration Example ····················································································································6-8
Displaying and Maintaining Congestion Management············································································6-9
7 Congestion Avoidance······························································································································7-1
Congestion Avoidance Overview ············································································································7-1
Introduction to WRED Configuration·······································································································7-2
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