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 the 4210 Series Ethernet Switches ··········································································1-3Introduction to QoS Features··················································································································1-3Traffic Classification ························································································································1-3Priority Trust Mode ··························································································································1-4Priority Marking································································································································1-8Traffic Policing ·································································································································1-8Port Rate Limiting ··························································································································1-10Traffic Redirecting ·························································································································1-10Queue Scheduling ·························································································································1-10Flow-Based Traffic Accounting······································································································1-11Burst ··············································································································································1-11Traffic Mirroring ·····························································································································1-12QoS Configuration·································································································································1-12Configuring Priority Trust Mode·····································································································1-12Configuring Priority Mapping ·········································································································1-14Marking Packet Priority··················································································································1-15Configuring Traffic Policing ···········································································································1-16Configuring Port Rate Limiting ······································································································1-18Configuring Traffic Redirecting······································································································1-19Configuring Queue Scheduling ·····································································································1-20Configuring Traffic Accounting ······································································································1-21Enabling the Burst Function ··········································································································1-22Configuring Traffic Mirroring ··········································································································1-23Displaying QoS······························································································································1-25QoS Configuration Example ·················································································································1-26Configuration Example of Traffic Policing ·····················································································1-262 QoS Profile Configuration ························································································································2-1Overview ·················································································································································2-1Introduction to QoS Profile ··············································································································2-1QoS Profile Application Mode ·········································································································2-1QoS Profile Configuration ·······················································································································2-2Configuring a QoS Profile················································································································2-2Applying a QoS Profile ····················································································································2-2Displaying QoS Profile Configuration ······························································································2-3Configuration Example····························································································································2-4QoS Profile Configuration Example·································································································2-4