iTable of Contents1 QoS Configuration ········································································································ 1-1Overview ···················································································································· 1-1Introduction to QoS ······························································································ 1-1Traditional Packet Forwarding Services ································································· 1-1New Requirements from Emerging Applications ····················································· 1-1Major Traffic Control Technologies ········································································ 1-2QoS Features Supported by the S5100 Series Ethernet Switches ································· 1-3Introduction to QoS Features ······················································································ 1-4Traffic Classification ····························································································· 1-4Priority Trust Mode ······························································································· 1-4Protocol Priority ································································································· 1-12Priority Marking ·································································································· 1-12Traffic Policing and Traffic Shaping ···································································· 1-12Line Rate ··········································································································· 1-15Traffic Redirecting ······························································································ 1-15VLAN Mapping ··································································································· 1-15Queue Scheduling ······························································································ 1-15Flow-Based Traffic Accounting ············································································ 1-18Burst ·················································································································· 1-18Traffic Mirroring ································································································· 1-18QoS Configuration ···································································································· 1-18QoS Configuration Task List ··············································································· 1-18Configuring Priority Trust Mode ·········································································· 1-19Configuring Priority Mapping ··············································································· 1-20Setting the Priority of Protocol Packets ······························································· 1-24Configuring Priority Marking ··············································································· 1-25Configuring Traffic Policing ················································································· 1-27Configuring Traffic Shaping ················································································ 1-30Configuring Line Rate ························································································· 1-31Configuring Traffic Redirecting ··········································································· 1-32Configuring VLAN Mapping ················································································· 1-34Configuring Queue Scheduling ············································································ 1-35Configuring Traffic Accounting ············································································ 1-37Enabling the Burst Function ················································································ 1-39Configuring Traffic Mirroring ··············································································· 1-40Displaying and Maintaining QoS ········································································· 1-43QoS Configuration Examples ···················································································· 1-44Traffic Policing Configuration Example ································································ 1-44Priority Marking and Queue Scheduling Configuration Example ··························· 1-46VLAN Mapping Configuration Example ································································ 1-47Traffic Mirroring and Traffic Redirecting Configuration Example ··························· 1-50
