Juniper JUNOSE SOFTWARE FOR E SERIES 11.3.X - QUALITY OF SERVICE CONFIGURATION GUIDE 2010-09-22 Configuration Manual page 13

Chapter 17
Chapter 18
Part 5
Chapter 19
Chapter 20
Copyright © 2010, Juniper Networks, Inc.
Attaching a QoS Profile to an S-VLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Attaching a QoS Profile to a Port Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Munged QoS Profile Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Sample Munged QoS Profile Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Example: Port-Type QoS Profile Attachment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Example: QoS Profile Attachment to Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Example: Diffserv Configuration with Multiple Traffic-Class Groups . . . . . . . . . . 137
Configuring Shadow Nodes for Queue Management . . . . . . . . . . . . . . . . . . 141
Shadow Node Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Shadow Nodes and Scheduler Behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Managing System Resources for Shadow Nodes . . . . . . . . . . . . . . . . . . . . . . . . . 143
Configuring Shadow Nodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Example: Shadow Nodes over VLAN and IP Queues . . . . . . . . . . . . . . . . . . . . . . 145
Example: Shadow Nodes on the Same Traffic-Class Group . . . . . . . . . . . . . . . . 146
Example: Shadow Nodes on Different Traffic-Class Groups . . . . . . . . . . . . . . . . 146
Monitoring a Scheduler Hierarchy on an Interface with QoS Profiles . . . . 147
Monitoring a Scheduler Hierarchy on an Interface with QoS Profiles . . . . . . . . . . 147
Interface Solutions for QoS
Configuring an Integrated Scheduler to Provide QoS for ATM . . . . . . . . . . . 151
ATM Integrated Scheduler Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Backpressure and the Integrated Scheduler . . . . . . . . . . . . . . . . . . . . . . . . . . 152
VP Shaping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Integrating the HRR Scheduler and SAR Scheduler . . . . . . . . . . . . . . . . . . . . . . . 154
Per-Packet Queuing on the SAR Scheduler Overview . . . . . . . . . . . . . . . . . . . . . . 155
Operational QoS Shaping Mode for ATM Interfaces Overview . . . . . . . . . . . 156
ERX7xx Models, ERX14xx Models, and the ERX310 Router . . . . . . . . . . 156
E120 Router and E320 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Guidelines for Configuring QoS over ATM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Configuring Default Integrated Mode for ATM Interface . . . . . . . . . . . . . . . . . . . . 160
Configuring Low-Latency Mode for Per-Port Queuing on ATM Interfaces . . . . . . 161
Configuring Low-CDV Mode for Per-Port Queuing on ATM Interfaces . . . . . . . . . 163
Configuring the QoS Shaping Mode for ATM Interfaces . . . . . . . . . . . . . . . . . . . . 166
Disabling Per-Port Queuing on ATM Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Monitoring QoS Configurations for ATM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Configuring QoS for Gigabit Ethernet Interfaces and VLAN
Subinterfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Providing QoS for Ethernet Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
QoS Shaping Mode for Ethernet Interfaces Overview . . . . . . . . . . . . . . . . . . . . . . 170
Configuring the QoS Shaping Mode for Ethernet Interfaces . . . . . . . . . . . . . . . . . 171
Creating a QoS Interface Hierarchy for Bulk-Configured VLAN Subinterfaces
with RADIUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Monitoring QoS Configurations for Ethernet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
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