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7210 SAS M OS
Quality of Service Guide
Software Version: 7210 SAS M OS 5.0 Rev. 01
October 2012
Part Number: 93-0413-01-01
93-0413-01-01
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Copyright 2011 Alcatel-Lucent. All rights reserved.
7210 SAS M OS Quality of Service Guide Page 3
TABLE OF CONTENTS
Preface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Getting Started
Alcatel-Lucent 7210 SAS-Series Services Configuration Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
QoS Policies
QoS Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
QoS Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Service and Network QoS Policies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Network QoS Policies in Network Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Network QoS Policies for Access-uplink Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Network Queue QoS Policies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Meter Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Queue Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Service Ingress QoS Policies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
Hierarchical Ingress Policing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Service Egress QoS Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Access Egress QoS Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Access Egress QoS Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64
Buffer Pools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
Queue ManagementSlope Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66
Queue Management Slope Policy Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72
CPU Queues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75
Port Scheduler Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76
CPU Queues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78
Remark Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79
Egress Port Rate Limiting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80
Forwarding Classes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
QoS Policy Entities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
Configuration Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
Port Level Egress Rate-Limiting
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
Affect of Port Level Rate-Limiting on Network Queue Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . .87
Basic Configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88
Modifying Port Level Egress-Rate Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
Removing Port Level Egress-Rate Command. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
Default Egress-Rate Values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
Port Level Egress-Rate Command Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91
Frame Based Accounting
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
Affects of Enabling Ingress Frame Based Accounting on Ingress Meter Functionality . . . . . . . . . .96
Affects of Enabling Egress Frame Based Accounting on Network Queue Functionality . . . . . . . . .96
Accounting and Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
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Basic Configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97
Enabling and Disabling Frame-Based Accounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
Default Frame-Based-Accounting Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
Frame Based Accounting Command Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
Configuration Commands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100
Show Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
Network QoS Policies
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108
Network QoS Policy in Network Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108
Network QoS Policy in Access Uplink Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
Normal QoS Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .111
Network Qos Policy (ip-interface type) Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112
Upgrading from Release 3.0 to Release 4.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
DSCP Marking CPU Generated Traffic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115
Default DSCP Mapping Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
Basic Configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118
Create a Network QoS Policy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118
Default Network Policy Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123
Service Management Tasks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .129
Deleting QoS Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .129
Remove a Policy from the QoS Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130
Copying and Overwriting Network Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130
Editing QoS Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .131
Resource Allocation for Network QoS policy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .132
Network QoS Policies Resource Usage Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134
Network QoS Policy Command Reference. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .143
Network QoS Policy Commands (for 7210 SAS M in access uplink mode). . . . . . . . . . . . . . . . . .156
Network Queue QoS Policies
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .194
Network Queue Parent Scheduler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .194
Basic Configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .196
Create a Network Queue QoS Policy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .196
Applying Network Queue Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .199
Ethernet Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .199
Default Network Queue Policy Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .201
Service Management Tasks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .206
Deleting QoS Policies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .206
Copying and Overwriting QoS Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .207
Editing QoS Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .209
Network Queue QoS Policy Command Reference. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .211
Service Ingress QoS Policies
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .228
Default SAP Ingress Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .229
SAP Ingress Policy Defaults. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .230
Use of Index file by SAP QoS Ingress . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .231
Service Ingress Meter Selection Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .233
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Service Ingress Policy Configuration Considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .236
Resource Allocation for Service Ingress QoS policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .237
Computation of resources used per SAP ingress policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .239
Basic Configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .243
Create Service Ingress QoS Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .243
Service Ingress QoS Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .244
Applying Service Ingress Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .292
Service Management Tasks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .295
Deleting QoS Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .295
Remove a QoS Policy from Service SAP(s). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .295
Copying and Overwriting QoS Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .296
Remove a Policy from the QoS Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .297
Editing QoS Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .297
Service SAP QoS Policy Command Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .299
Access Egress QoS Policies
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .338
Basic Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .339
Create Access Egress QoS Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .339
Access Egress QoS Policy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .339
Modifying Access Egress QoS Queues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .342
Applying Access Egress QoS Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .344
Default Access Egress QoS Policy Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .345
Editing QoS Policies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .350
Deleting QoS Policies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .351
Removing a Policy from the QoS Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .351
Access Egress QoS Policy Command Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .353
QoS Port Scheduler Policies
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .372
Configuring Port Scheduler Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .372
Basic Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .373
Creating a QoS Port Scheduler Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .374
Service Management Tasks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .375
Copying and Overwriting Scheduler Policies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .375
Editing QoS Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .377
QoS Port Scheduler Policy Command Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .379
SlopeQueue Management QoS Policies
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .390
Configuration Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .391
Basic Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .391
Create a Slope QoS Policy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .391
Applying Slope Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .394
Default Slope Policy Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .395
Deleting QoS Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .399
Copying and Overwriting QoS Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .400
Editing QoS Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .404
Slope QoS Policy Command Reference. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .405
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Standards and Protocol Support
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .423
Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .427
7210 SAS M OS Quality of Service Guide Page 7
LIST OF TABLES
Getting Started
Table 1: Configuration Process. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
QoS Policies
Table 2: QoS Policy Types and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Table 3: QoS Policy Types and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Table 4: Default Network QoS Policy (type = ip-interface) Egress Marking . . . . . . . . . . . . . . . . . . . . . . .30
Table 5: Default Network QoS Policy (type = ip-interface) EXP to FC Mapping. . . . . . . . . . . . . . . . . . . .31
Table 6: Default Network QoS Policy of type 'port' Egress Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Table 7: Default Network QoS Policy of Type Port - Dot1p/DSCP to FC Mapping . . . . . . . . . . . . . . . . .33
Table 8: Default Network QoS Policy of Type ‘port’ used for Egress Marking on Access-uplink Ports. . .35
Table 9: Default Network QoS Policy of Type ‘port’ used for Dot1p to FC on Access-uplink Ports . . . . .35
Table 10: Default Network Queue Policy Definition. (for 7210 SAS-M configured in Network mode). . . . .37
Table 11: Default Network Queue Policy Definition (for 7210 SAS-M configured in access uplink mode).39
Table 12: Supported Hardware rates and burst step sizes for CIR and PIR values . . . . . . . . . . . . . . . . . .41
Table 13: Administrative Rate Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Table 14: Supported Hardware Rates and CIR/PIR Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Table 15: Supported Hardware Rates and CIR/PIR Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Table 16: Supported Hardware Rates and CIR/PIR Values for 10-Gig Port. . . . . . . . . . . . . . . . . . . . . . . .49
Table 17: Service Ingress QoS Policy IP Match Criteria in 7210 SAS-M network mode . . . . . . . . . . . . . .54
Table 18: S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
Table 19: Service Ingress QoS Policy IP Match Criteria . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
Table 20: Service Ingress QoS Policy MAC Match Criteria in 7210 SAS-M network modeService Ingress QoS
Policy IPv6 Match Criteria in 7210 SAS-M network modeService Ingress QoS Policy IP Match Criteria in 7210 SAS-
M access-uplink mode54
Table 21: Service Ingress QoS Policy IPv6 Match Criteria in 7210 SAS-M access-uplink mode. . . . . . . .55
Table 22: Service Ingress QoS Policy MAC Match Criteria in 7210 SAS-M access-uplink mode
55
Table 23: MAC Match Ethernet Frame Types. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
Table 24: MAC Match Criteria Frame Type Dependencies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
Table 25: Default Service Ingress Policy ID 1 Definition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Table 26: Default SAPAccess Egress Policy ID 1 Definition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
Table 27: TAF Impact on Shared Buffer Average Utilization Calculation . . . . . . . . . . . . . . . . . . . . . . . . . .70
Table 28: Default Slope Policy Definition (for 7210 SAS-M configured in Network mode) . . . . . . . . . . . . .72
Table 29: Minimum and Maximum Bandwidth Meters Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76
Table 30: Slope Policy Defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79
Table 31: Forwarding Classes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
Table 32: Forwarding Class to Queue-ID Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
Port Level Egress Rate-Limiting
Frame Based Accounting
Network QoS Policies
Table 33: DSCP and Dot1p Marking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115
Page 8 7210 SAS M OS Quality of Service Guide
List of Tables
Table 34: Network Policy Defaults for Policy Type IP Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123
Table 35: Default Network QoS Policy of Type IP Interface, LSP EXP to FC Mapping on Ingress (Color aware
policing is supported on network ingress.)124
Table 36: Default DSCP Names to DSCP Value Mapping Table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .163
Table 37: Default Class Selector Code Points to DSCP Value Mapping Table . . . . . . . . . . . . . . . . . . . .163
Table 38: Show QoS Network Output Fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .178
Table 39: Show QoS Network Output Fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .186
Table 40: Show QoS Network Output Fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .190
Network Queue QoS Policies
Table 41: pir-level Assignment to queue based on the cir-level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .195
Table 42: Network Queue Labels and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .220
Service Ingress QoS Policies
Table 43: SAP Ingress Policy Defaults. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .230
Access Egress QoS Policies
Table 44: Access Egress Default Policy Details. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .346
Table 45: Access Egress Default Policy Details (for 7210 SAS M in access uplink mode) . . . . . . . . . . .347
Table 46: Default FC Marking Values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .348
QoS Port Scheduler Policies
SlopeQueue Management QoS Policies
Table 47: Slope Policy Defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .395
Table 48: Show QoS Slope Policy Output Fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .418
7210 SAS M OS Quality of Service Guide Page 9
LIST OF FIGURES
QoS Policies
Figure 1: 7210 SAS X Traffic Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Figure 2: 7210 SAS M Traffic Types Operating in Network Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Figure 3: 7210 SAS M Traffic Types for Access Uplink Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Figure 4: Traffic Queuing Model for Forwarding Classes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
Figure 5: RED Slope Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
Port Level Egress Rate-Limiting
Frame Based Accounting
Network QoS Policies
Network Queue QoS Policies
Service Ingress QoS Policies
Access Egress QoS Policies
QoS Port Scheduler Policies
SlopeQueue Management QoS Policies
Page 10 7210 SAS M OS Quality of Service Guide
List of Figures
7210 SAS M OS Quality of Service Guide Page 11
Preface
About This Guide
This guide describes the Quality of Service (QoS) provided by the 7210-SAS M OS and presents
examples to configure and implement various protocols and services.
Note :This user guide is applicable to all 7210 SAS-M platforms, unless specified otherwise.
This document is organized into functional chapters and provides concepts and descriptions of the
implementation flow, as well as Command Line Interface (CLI) syntax and command usage.
Audience
This manual is intended for network administrators who are responsible for configuring the 7210
SAS-Series routers. It is assumed that the network administrators have an understanding of
networking principles and configurations. Protocols, standards, and services described in this
manual include the following:
•CLI concepts
• Quality of Service (QoS) policies and profiles
Preface
Page 12 7210 SAS M OS Quality of Service Guide
List of Technical Publications
The 7210-SAS M, X OS documentation set is composed of the following books:
• 7210-SAS M, X OS Basic System Configuration Guide
This guide describes basic system configurations and operations.
• 7210-SAS M, X OS System Management Guide
This guide describes system security and access configurations as well as event
logging and accounting logs.
• 7210-SAS M, X OS Interface Configuration Guide
This guide describes card, Media Dependent Adapter (MDA), and port provisioning.
• 7210-SAS M, X OS Router Configuration Guide
This guide describes logical IP routing interfaces and associated attributes such as an
IP address, port, link aggregation group (LAG) as well as IP and MAC-based filtering.
• 7210-SAS M Services Guide
This guide describes how to configure service parameters such as customer
information, and user services.
• 7210-SAS M, X OS OAM and Diagnostic Guide
This guide describes how to configure features such as service mirroring and
Operations, Administration and Management (OAM) tools.
• 7210-SAS M Quality of Service Guide
This guide describes how to configure Quality of Service (QoS) policy management.
• 7210-SAS M, X OS MPLS Guide
This guide describes how to configure Multiprotocol Label Switching (MPLS) and
Label Distribution Protocol (LDP).
• 7210-SAS M, X OS OS Routing Protocols Guide
This guide provides an overview of routing concepts and provides configuration
examples for OSPF, IS-IS, and route policies.
Preface
7210 SAS M OS Quality of Service Guide Page 13
Technical Support
If you purchased a service agreement for your 7210 SAS device and related products from a
distributor or authorized reseller, contact the technical support staff for that distributor or reseller
for assistance. If you purchased an Alcatel-Lucent service agreement, contact your welcome
center.
Web: http://www1.alcatel-lucent.com/comps/pages/carrier_support.jhtml
Preface
Page 14 7210 SAS M OS Quality of Service Guide
7210 SAS M OS Quality of Service Guide Page 15
Getting Started
In This Chapter
This chapter provides process flow information to configure Quality of Service (QoS) policies and
provision services.
This guide provides information to configure QoS policies in both network mode and access-
uplink mode. Unless otherwise noted, many of the qos policies are applicable to both network
mode and access-uplink mode.
Alcatel-Lucent 7210 SAS-Series Services Configuration Process
Page 16 7210 SAS M OS Quality of Service Guide
Alcatel-Lucent 7210 SAS-Series Services Configuration
Process
Table 1 lists the tasks necessary to configure and apply QoS policies. This guide is presented in an
overall logical configuration flow. Each section describes a software area and provides CLI syntax
and command usage to configure parameters for a functional area.
Table 1: Configuration Process
Area Task Chapter
Policy configuration Configuring QoS Policies
• Egress Rate Port Level Egress Rate-Limiting on page 85
• Accounting Mode Frame Based Accounting on page 95
• Network Network QoS Policies on page 107
• Network queue Network Queue QoS Policies on page 193
• SAP ingress Service Ingress QoS Policies on page 227
• Access egress Access Egress QoS Policies on page 337
• Port scheduler QoS Port Scheduler Policies on page 371
• Slope SlopeQueue Management QoS Policies on page 389
Reference • List of IEEE, IETF, and
other proprietary entities
Standards and Protocol Support on page 423
7210 SAS M OS Quality of Service Guide Page 17
Alcatel-Lucent 7210 SAS-Series Services Configuration Process
Page 18 7210 SAS M OS Quality of Service Guide
7210 SAS M OS Quality of Service Guide Page 19
QoS Policies
In This Chapter
This chapter provides information about Quality of Service (QoS) policy management.
Topics in this chapter include:
• QoS Overview on page 20
• Service and Network QoS Policies on page 27
→ Port Level Egress Rate-Limiting on page 85
→ Frame Based Accounting on page 95
→ Network QoS Policies in Network Mode on page 29
→ Network Queue QoS Policies on page 37
→ Service Ingress QoS Policies on page 51
→ Access Egress QoS Policies on page 59
→ Queue Parameters on page 45
• Queue ManagementSlope Policies on page 66
• Port Scheduler Policies on page 76
• QoS Policy Entities on page 83
• Configuration Notes on page 84
QoS Overview
Page 20 7210 SAS M OS Quality of Service Guide
QoS Overview
The 7210 SAS M is designed with QoS mechanisms on both ingress and egress to support multiple
services per physical port. The 7210 SAS M has extensive and flexible capabilities to classify,
police, shape, and mark traffic.
In the Alcatel-Lucent service router’s service model, a service is provisioned on the provider-edge
(PE) equipment. Service data is encapsulated and then sent in a service tunnel to the far-end
Alcatel-Lucent service router where the service data is delivered.
The operational theory of a service tunnel is that the encapsulation of the data between the two
Alcatel Lucent service routers appear like a Layer 2 path to the service data although it is really
traversing an IP or IP/MPLS core. The tunnel from one edge device to the other edge device is
provisioned with an encapsulation and the services are mapped to the tunnel that most
appropriately supports the service needs.
The 7210 SAS supports eight forwarding classes internally named: Network-Control, High-1,
Expedited, High-2, Low-1, Assured, Low-2 and Best-Effort. The forwarding classes are discussed
in more detail in Forwarding Classes on page 81.
7210 SAS devices use QoS policies to control how QoS is handled at distinct points in the service
delivery model within the device. There are different types of QoS policies that cater to the
different QoS needs at each point in the service delivery model. QoS policies are defined in a
global context in the 7210 SAS and only take effect when the policy is applied to a relevant entity.
QoS policies are uniquely identified with a policy ID number or name. Policy ID 1 or Policy ID
“default” is reserved for the default policy which is used if no policy is explicitly applied.
The QoS policies within the 7210 SAS can be divided into three main types:
• QoS policies are used for classification, defining metering and queuing attributes and
marking .
• Slope policies define default buffer allocations and WRED slope definitions.
• Port scheduler policies determine how queues are scheduled.
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