Juniper JUNOSE SOFTWARE FOR E SERIES 11.3.X - QUALITY OF SERVICE CONFIGURATION GUIDE 2010-09-22 Configuration Manual page 12

JunosE 11.3.x Quality of Service Configuration Guide
Chapter 11
Chapter 12
Chapter 13
Chapter 14
Part 4
Chapter 15
Chapter 16
xii
Simple Shared Shaping for Triple-Play Networks . . . . . . . . . . . . . . . . . . . . . . 76
Configuring Simple Shared Shaping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Example: Simple Shared Shaping for ATM VCs . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Example: Simple Shared Shaping for ATM VPs . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Example: Simple Shared Shaping for Ethernet . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Configuring Variables in the Simple Shared Shaping Algorithm . . . . . . . . . 85
Simple Shared Shaping Algorithm Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Simple Shared Shaper Algorithm Calculations . . . . . . . . . . . . . . . . . . . . . . . . 86
Variables of the Simple Shared Shaper Algorithm . . . . . . . . . . . . . . . . . . . . . . . . . 87
Guidelines for Controlling the Simple Shared Shaper Algorithm . . . . . . . . . . . . . 88
Configuring Simple Shared Shaper Algorithm Variables . . . . . . . . . . . . . . . . . . . . 89
Sample Process for Controlling the Simple Shared Shaper Algorithm . . . . . . . . . 90
Configuring Compound Shared Shaping of Traffic . . . . . . . . . . . . . . . . . . . . 95
Compound Shared Shaping Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Supported Hardware for Compound Shared Shaping . . . . . . . . . . . . . . . . . . 95
Bandwidth Allocation for Compound Shared Shaping . . . . . . . . . . . . . . . . . . 96
Configuring Compound Shared Shaping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Example: Compound Shared Shaping for ATM VCs . . . . . . . . . . . . . . . . . . . . . . . . 98
Example: Compound Shared Shaping for ATM VPs . . . . . . . . . . . . . . . . . . . . . . . 100
Configuring Implicit and Explicit Constituent Selection for Shaping . . . . 103
Constituent Selection for Shared Shaping Overview . . . . . . . . . . . . . . . . . . . . . . 103
Types of Shared Shaper Constituents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Implicit Constituent Selection Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Implicit Bandwidth Allocation for Compound Shared Shaping . . . . . . . . . . . 107
Weighted Compound Shared Shaping Example . . . . . . . . . . . . . . . . . . 109
Configuring Implicit Constituents for Simple or Compound Shared Shaping . . . 110
Explicit Constituent Selection Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Explicit Shared Shaping Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Explicit Weighted Compound Shared Shaping Example . . . . . . . . . . . . . . . . 112
Configuring Explicit Constituents for Simple or Compound Shared Shaping . . . . 115
Monitoring a QoS Scheduler Hierarchy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Monitoring QoS Scheduling and Shaping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Creating a QoS Scheduler Hierarchy on an Interface with QoS
Profiles
QoS Profile Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
QoS Profile Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Managing System Resources for Nodes and Queues . . . . . . . . . . . . . . . . . . . . . . . 121
Scaling Subscribers on the TFA ASIC with QoS . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Configuring and Attaching QoS Profiles to an Interface . . . . . . . . . . . . . . . . 125
Supported Interface Types for QoS Profiles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Configuring a QoS Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Attaching a QoS Profile to an Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Attaching a QoS Profile to a Base Interface . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Attaching a QoS Profile to an ATM VP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Copyright © 2010, Juniper Networks, Inc.