1.1 Introduction to Class-based QoS.....................................................................................................................1-2

1.2 Class-based QoS Features Supported by the S9300........................................................................................1-2

1.3 Configuring Priority Mapping Based on Simple Traffic Classification.........................................................1-5

1.3.1 Establishing the Configuration Task......................................................................................................1-5

1.3.2 Creating a DiffServ Domain and Configuring Priority Mapping..........................................................1-6

1.3.3 Configuring an Interface to Trust the Priority of Packets......................................................................1-7

1.3.4 (Optional) Setting the Default 802.1p Priority of an Interface...............................................................1-8

1.3.5 (Optional) Configuring the CFI Field as the Internal Drop Priority......................................................1-8

1.3.6 Applying a DiffServ Domain.................................................................................................................1-9

1.3.7 Checking the Configuration.................................................................................................................1-10

1.4 Configuring Complex Traffic Classification.................................................................................................1-10

1.4.1 Establishing the Configuration Task....................................................................................................1-10

1.4.2 Creating a Traffic Classifier Based on Layer 2 Information................................................................1-11

1.4.3 Creating a Traffic Classifier Based on Layer 3 Information................................................................1-12

1.4.4 Creating a Traffic Classifier Based on an ACL...................................................................................1-13

1.4.5 Checking the Configuration.................................................................................................................1-16

1.5 Creating a Traffic Policy Based on Complex Traffic Classification.............................................................1-16

1.5.1 Establishing the Configuration Task....................................................................................................1-17

1.5.2 Configuring Complex Traffic Classification........................................................................................1-17

1.5.3 Configuring a Traffic Behavior............................................................................................................1-17

1.5.4 Creating a Traffic Policy......................................................................................................................1-21

1.5.5 Applying a Traffic Policy.....................................................................................................................1-22

1.5.6 Checking the Configuration.................................................................................................................1-23

1.6 Maintaining Class-based QoS.......................................................................................................................1-24

1.6.1 Displaying the Flow-based Traffic Statistics.......................................................................................1-24

1.6.2 Clearing the Flow-based Traffic Statistics...........................................................................................1-24

1.7 Configuration Examples................................................................................................................................1-25

1.7.1 Example for Configuring Priority Mapping Based on Simple Traffic Classification..........................1-25

1.7.2 Example for Re-marking the Priorities Based on Complex Traffic Classification..............................1-27

1.7.3 Example for Redirecting Packets Based on Complex Traffic Classification.......................................1-31

1.7.4 Example for Configuring Traffic Statistics Based on Complex Traffic Classification.......................1-35

Issue 03 (2009-08-20)

Huawei Proprietary and Confidential

Contents