iTable of Contents1 QoS Configuration·····································································································································1-1Overview ·················································································································································1-1Introduction to QoS··························································································································1-1Traditional Packet Forwarding Service····························································································1-1New Applications and New Requirements ······················································································1-1Major Traffic Control Techniques ····································································································1-2QoS Supported by Devices·····················································································································1-2Traffic Classification ························································································································1-2Precedence ·····································································································································1-3Priority Trust Mode ··························································································································1-5Protocol Priority ·······························································································································1-8Priority Marking································································································································1-8Traffic Policing and Traffic Shaping·································································································1-8Traffic Redirecting ·························································································································1-10VLAN Mapping ······························································································································1-10Queue Scheduling ·························································································································1-10Flow-based Traffic Accounting ······································································································1-13Burst ··············································································································································1-13Traffic mirroring ·····························································································································1-13QoS Configuration·································································································································1-13QoS Configuration Task List ·········································································································1-13Configuring Priority Trust Mode·····································································································1-14Configuring Priority Mapping ·········································································································1-15Setting the Priority of Protocol Packets ·························································································1-18Marking Packet Priority··················································································································1-19Configuring Traffic Policing ···········································································································1-20Configuring Traffic Shaping···········································································································1-22Configuring Traffic Redirecting······································································································1-23Configuring VLAN Mapping···········································································································1-25Configuring Queue Scheduling ·····································································································1-25Collecting/Clearing Traffic Statistics······························································································1-27Enabling the Burst Function ··········································································································1-29Configuring Traffic Mirroring ··········································································································1-29Displaying and Maintaining QoS ···································································································1-32QoS Configuration Example ·················································································································1-33Configuration Example of Traffic Policing ·····················································································1-332 QoS Profile Configuration ························································································································2-1Overview ·················································································································································2-1Introduction to QoS Profile ··············································································································2-1QoS Profile Application Mode ·········································································································2-1QoS Profile Configuration ·······················································································································2-2QoS Profile Configuration Task List ································································································2-2Configuring a QoS Profile················································································································2-2
