H3C S5100-SI Operation Manual page 388

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
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