H3C S3100-52P Operation Manual page 537

Operation Manual - QoS-QoS Profile
H3C S3100-52P Ethernet Switch
Chapter 1 QoS Configuration....................................................................................................... 1-1
1.1 Overview ............................................................................................................................ 1-1
1.1.1 Introduction to QoS ................................................................................................. 1-1
1.1.2 Traditional Packet Forwarding Service ................................................................... 1-2
1.1.3 New Applications and New Requirements.............................................................. 1-2
1.1.4 Major Traffic Control Techniques ............................................................................ 1-3
1.2 QoS Supported By S3100-52P Ethernet Switch ............................................................... 1-4
1.3 Introduction to QoS Functions ........................................................................................... 1-5
1.3.1 Traffic Classification ................................................................................................ 1-5
1.3.2 Priority Trust Mode.................................................................................................. 1-6
1.3.3 Protocol Priority ..................................................................................................... 1-10
1.3.4 Priority Marking ..................................................................................................... 1-10
1.3.5 Traffic Policing....................................................................................................... 1-10
1.3.6 Line Rate ............................................................................................................... 1-12
1.3.7 Traffic Redirecting ................................................................................................. 1-12
1.3.8 VLAN Mapping ...................................................................................................... 1-12
1.3.9 Queue Scheduling................................................................................................. 1-12
1.3.10 Congestion Avoidance ........................................................................................ 1-15
1.3.11 Flow-based Traffic Accounting............................................................................ 1-16
1.3.12 Burst .................................................................................................................... 1-16
1.3.13 Traffic mirroring ................................................................................................... 1-17
1.4 QoS Configuration ........................................................................................................... 1-17
1.4.1 Configuring Priority Trust Mode ............................................................................ 1-17
1.4.2 Configuring the Mapping between 802.1p Priority and Local Precedence ........... 1-18
1.4.3 Setting the Priority of Protocol Packets................................................................. 1-19
1.4.4 Marking Packet Priority ......................................................................................... 1-20
1.4.5 Configuring Traffic Policing ................................................................................... 1-22
1.4.6 Configuring Line Rate ........................................................................................... 1-23
1.4.7 Configuring Traffic Redirecting.............................................................................. 1-24
1.4.8 Configuring VLAN Mapping................................................................................... 1-25
1.4.9 Configuring Queue Scheduling ............................................................................. 1-26
1.4.10 Configuring WRED.............................................................................................. 1-28
1.4.11 Configuring Traffic Accounting ............................................................................ 1-29
1.4.12 Enabling the Burst Function ................................................................................ 1-30
1.4.13 Configuring Traffic Mirroring................................................................................ 1-30
1.5 Displaying and Maintaining QoS...................................................................................... 1-32
1.6 QoS Configuration Examples .......................................................................................... 1-33
1.6.1 Configuration Example of Traffic policing and Line Rate...................................... 1-33
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