H3C S5100-SI Series Operation Manual page 443

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 Services ................................................................. 1-1
1.1.3 New Requirements from Emerging Applications .................................................... 1-1
1.1.4 Major Traffic Control Technologies ......................................................................... 1-2
1.2 QoS Features Supported by the S5100 Series Ethernet Switches ................................... 1-3
1.3 Introduction to QoS Features............................................................................................. 1-4
1.3.1 Traffic Classification ................................................................................................ 1-4
1.3.2 Priority Trust Mode.................................................................................................. 1-5
1.3.3 Protocol Priority ..................................................................................................... 1-13
1.3.4 Priority Marking ..................................................................................................... 1-13
1.3.5 Traffic Policing and Traffic Shaping ...................................................................... 1-13
1.3.6 Line Rate ............................................................................................................... 1-16
1.3.7 Traffic Redirecting ................................................................................................. 1-16
1.3.8 VLAN Mapping ...................................................................................................... 1-16
1.3.9 Queue Scheduling................................................................................................. 1-16
1.3.10 Flow-Based Traffic Accounting ........................................................................... 1-19
1.3.11 Burst .................................................................................................................... 1-19
1.3.12 Traffic Mirroring ................................................................................................... 1-19
1.4 QoS Configuration ........................................................................................................... 1-20
1.4.1 QoS Configuration Task List ................................................................................. 1-20
1.4.2 Configuring Priority Trust Mode ............................................................................ 1-20
1.4.3 Configuring Priority Mapping................................................................................. 1-22
1.4.4 Setting the Priority of Protocol Packets................................................................. 1-25
1.4.5 Configuring Priority Marking.................................................................................. 1-26
1.4.6 Configuring Traffic Policing ................................................................................... 1-29
1.4.7 Configuring Traffic Shaping................................................................................... 1-31
1.4.8 Configuring Line Rate ........................................................................................... 1-32
1.4.9 Configuring Traffic Redirecting.............................................................................. 1-33
1.4.10 Configuring VLAN Mapping................................................................................. 1-35
1.4.11 Configuring Queue Scheduling ........................................................................... 1-36
1.4.12 Configuring Traffic Accounting ............................................................................ 1-38
1.4.13 Enabling the Burst Function ................................................................................ 1-41
1.4.14 Configuring Traffic Mirroring................................................................................ 1-41
1.4.15 Displaying and Maintaining QoS ......................................................................... 1-44
1.5 QoS Configuration Examples .......................................................................................... 1-46
1.5.1 Traffic Policing Configuration Example ................................................................. 1-46
Table of Contents
i