H3C S5100-SI

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