H3C S3100 Series

i
Table of Contents
1 QoS Configuration·····································································································································1-1
Overview ·················································································································································1-1
Introduction to QoS··························································································································1-1
Traditional Packet Forwarding Service····························································································1-1
New Applications and New Requirements ······················································································1-1
Major Traffic Control Techniques ····································································································1-2
QoS Supported by the S3100 Series Ethernet Switches········································································1-2
Introduction to QoS Features··················································································································1-3
Traffic Classification ························································································································1-3
Priority Trust Mode ··························································································································1-4
Priority Marking································································································································1-8
Traffic Policing and Traffic Shaping·································································································1-8
Port Rate Limiting··························································································································1-11
Traffic Redirecting ·························································································································1-11
VLAN Marking ·······························································································································1-11
Queue Scheduling·························································································································1-11
Flow-Based Traffic Accounting······································································································1-12
Burst ··············································································································································1-13
Traffic Mirroring ·····························································································································1-13
QoS Configuration·································································································································1-13
Configuring Priority Trust Mode·····································································································1-13
Configuring Priority Mapping·········································································································1-15
Marking Packet Priority··················································································································1-17
Configuring Traffic Policing ···········································································································1-19
Configuring Traffic Shaping···········································································································1-21
Configuring Port Rate Limiting ······································································································1-21
Configuring Traffic Redirecting······································································································1-22
Configuring VLAN Marking············································································································1-24
Configuring Queue Scheduling ·····································································································1-24
Configuring Traffic Accounting ······································································································1-25
Enabling the Burst Function ··········································································································1-27
Configuring Traffic Mirroring··········································································································1-27
Displaying QoS······························································································································1-30
QoS Configuration Example ·················································································································1-31
Configuration Example of Traffic Policing ·····················································································1-31
2 QoS Profile Configuration ························································································································2-1
Overview ·················································································································································2-1
Introduction to QoS Profile ··············································································································2-1
QoS Profile Application Mode ·········································································································2-1
QoS Profile Configuration ·······················································································································2-2
Configuring a QoS Profile················································································································2-2
Applying a QoS Profile ····················································································································2-3
Displaying QoS Profile Configuration······························································································2-4