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IPQoS Administration Guide
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Index
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B
C
D
E
F
H
I
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M
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Preface
Chapter 1 Introducing IPQoS (Overview)
IPQoS Basics
What Are Differentiated Services?
IPQoS Features
Where to Get More Information About Quality of Service
Books
Requests for Comments (RFCs)
Web Sites
Man Pages
Providing Quality of Service With IPQoS
Implementing Service-Level Agreements
Assuring Quality of Service for an Individual Organization
Introducing the Quality-of-Service Policy
Improving Network Efficiency With IPQoS
What Is Bandwidth and How Does It Affect Network Traffic?
Using Classes of Service to Prioritize Traffic
Differentiated Services Model
Classifier (ipgpc) Overview
Classes
Filters
Meter (tokenmt and tswtclmt) Overview
Marker (dscpmk and dlcosmk) Overview
Flow Accounting (flowacct) Overview
Example—How Traffic Flows Through the IPQoS Modules
Traffic Forwarding on an IPQoS-Enabled Network
DS Codepoint (DSCP)
Per-Hop Behaviors
Expedited Forwarding (EF)
Assured Forwarding (AF)
Packet Forwarding in a Diffserv Environment
Chapter 2 Planning for an IPQoS-Enabled Network (Tasks)
General IPQoS Configuration Planning (Task Map)
Planning the Diffserv Network Topology
Hardware Strategies for the Diffserv Network
IPQoS Network Topologies
IPQoS on Individual Hosts
IPQoS on a Network of Server Farms
IPQoS on a Firewall
Planning the Quality-of-Service Policy
QoS Policy Planning Aids
How to Prepare a Network for IPQoS
How to Define the Classes for Your QoS Policy
Prioritizing the Classes
How to Define Filters in the QoS Policy
Where to Go From Here
How to Plan Flow Control
Where to Go From Here
How to Plan Forwarding Behavior
Where to Go From Here
How to Plan for Flow Accounting
Where to Go From Here?
Introducing the IPQoS Configuration Example
Example—IPQoS Topology
Chapter 3 Creating the IPQoS Configuration File (Tasks)
Defining a QoS Policy in the IPQoS Configuration File (Task Map)
Tools for Creating a QoS Policy
IPQoS Configuration File
Configuring the IPQoS Sample Topology
Creating IPQoS Configuration Files for Web Servers
How to Begin the IPQoS Configuration File and Define Traffic Classes
Where to Go From Here
How to Define Filters in the IPQoS Configuration File
Where to Go From Here
How to Define Traffic Forwarding in the IPQoS Configuration File
Where to Go From Here
How to Enable Accounting for a Class in the IPQoS Configuration File
Where to Go From Here
How to Create an IPQoS Configuration File for a Best-Effort Web Server
Where to Go From Here
Creating an IPQoS Configuration File for an Application Server
How to Configure the IPQoS Configuration File for an Applications Server
Where to Go From Here
How to Configure Forwarding for Application Traffic in the IPQoS Configuration File
Where to Go From Here
How to Configure Flow Control in the IPQoS Configuration File
Where to Go From Here
Providing Differentiated Services on a Router
How to Configure a Router on an IPQoS-Enabled Network
Chapter 4 Starting Up and Maintaining IPQoS (Tasks)
Administering IPQoS (Task Map)
Activating an IPQoS Configuration
How to Apply a New Configuration to the IPQoS Kernel Modules
Where to Go From Here
How to Ensure That the IPQoS Configuration Is Applied After Each Reboot
Enabling syslog Logging for IPQoS Messages
How to Enable Logging of IPQoS Messages During Booting
Examples—IPQoS Output From /var/adm/messages
Using IPQoS Error Messages
Chapter 5 Using Flow Accounting and Statistics Gathering (Tasks)
Setting Up Flow Accounting (Task Map)
Recording Information About Flows
How to Create a File for Flow-Accounting Data
Where to Go Next
How to Get Instructions for Viewing a Flow-Accounting File
Gathering Statistical Information
Example—kstat Statistics for IPQoS
Chapter 6 IPQoS in Depth (Reference)
IPQoS Architecture and the diffserv Model
Classifier Module
Selectors
Meter Module
tokenmt Metering Module
Configuring tokenmt as a Single-Rate Meter
Configuring tokenmt as a Two-Rate Meter
Configuring tokenmt to Be Color Aware
tswtclmt Metering Module
Marker Module
Using the dscpmk Marker for Forwarding Packets
Expedited Forwarding (EF) PHB
Assured Forwarding (AF) PHB
Supplying a DS Codepoint to the Marker
Using the dlcosmk Marker With VLAN Devices
IPQoS Configuration for Systems With VLAN Devices
flowacct Module
flowacct Parameters
Flow Record Table
flowacct Records
Using acctadm with the flowacct Module
IPQoS Configuration File
action Statement
Module Definitions
Class Clause
Filter Clause
Params Clause
ipqosconf Configuration Utility
Glossary
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