Nokia 7210 SAS OS, 7210 SAS-M, 7210 SAS-Sx, 7210 SAS-T, 7210 SAS-Mxp Service Manual

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7210 SAS OS Quality of Service Guide7210 SAS-M7210 SAS-T7210 SASMxp7210 SAS-S7210 SAS-SxRelease 9.0.R8

7210 SERVICE ACCESS SWITCH

7210 SAS OS Quality of Service Guide 7210 SAS-M 7210 SAS-T 7210 SAS-Mxp 7210 SAS-S 7210 SAS-Sx Release 9.0.R8

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Issue: 01

September 2017

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Preface................................................................................................................................................... 15

About This Guide................................................................................................................................................15

Audience .......................................................................................................................................................16

List of Technical Publications ........................................................................................................................16

Technical Support .........................................................................................................................................17

Getting Started...................................................................................................................................... 19

In This Chapter ...................................................................................................................................................19

Alcatel-Lucent 7210 SAS-Series Services Configuration Process .....................................................................19

QoS Policies ......................................................................................................................................... 21

In This Chapter ..................................................................................................................................................21

QoS Overview ...................................................................................................................................................21

Overview of QoS Policies on 7210 SAS-M and 7210 SAS-T in Access-uplink mode ...................................22

Overview of QoS Policies on 7210 SAS-M and 7210 SAS-T in network mode ............................................25

Overview of QoS Policies on 7210 SAS-Mxp in network mode ....................................................................28

Overview of QoS Policies on 7210 SAS-Sx/S 1/10GE and 7210 SAS-Sx 10/100GE ...................................32

Service and Network QoS Policies .....................................................................................................................36

Network QoS Policies in Network Mode.............................................................................................................37

'ip-interface' type Network QoS policy ..........................................................................................................38

“port” Type Network QoS Policy ....................................................................................................................40

Network QoS Policies for Access-uplink Mode ..................................................................................................42

Network Queue policies in Network mode .........................................................................................................44

Network Queue policies in Access-uplink mode ................................................................................................46

......................................................................................................................................................................47

Meter/Policer Parameters...................................................................................................................................48

Meter ID.........................................................................................................................................................48

Committed Information Rate for Meters ........................................................................................................49

Peak Information Rate for Meters .................................................................................................................49

Adaptation Rule for Meters............................................................................................................................50

Committed Burst Size (For Meter/Policers) ...................................................................................................51

Maximum Burst Size (For Meter/Policers).....................................................................................................51

Meter Counters..............................................................................................................................................52

Meter Modes .................................................................................................................................................52

Color Aware Policing ..........................................................................................................................................52

QoS Overrides for Meters/Policers .....................................................................................................................53

Configuration guidelines of QoS Override .....................................................................................................54

Configuring Meter Override parameters .............................................................................................................54

Queue Parameters .............................................................................................................................................55

Queue ID ......................................................................................................................................................55

Committed Information Rate for Queues.......................................................................................................56

Peak Information Rate for Queues ................................................................................................................57

Adaptation Rule for Queues ..........................................................................................................................57

Committed Burst Size (CBS) and the Maximum Burst Size (MBS) for Queues ............................................59

Service Ingress QoS Policies .............................................................................................................................61

Hierarchical Ingress Policing ..............................................................................................................................67

7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide 3

Table of Contents

Service Egress QoS Policies on 7210 SAS-Mxp................................................................................................67

Access Egress QoS Policies on 7210 SAS-M, 7210 SAS-T, 7210 SAS-Sx/S 1/10GE, and 7210 SAS-Sx 10/100GE 71

Access Egress QoS Policies on 7210 SAS-Mxp ................................................................................................75

Access Egress QoS policy for SAP-based queuing mode on 7210 SAS-Mxp ...................................................75

Access Egress QoS policy for Port-based Queuing mode on 7210 SAS-Mxp ...................................................76

Buffer Pools on 7210 SAS-M and 7210 SAS-T ..................................................................................................78

Buffer pool allocation - Per port MBS pool (7210 SAS-M and 7210 SAS-T) ................................................78

Buffer pool allocation - Per Node MBS pool on 7210 SAS-T .......................................................................79

Decommissioning Ports with Per port MBS pool ................................................................................................80

Using decommission command for Buffer Allocation on 7210 SAS-M and 7210 SAS-T devices............80

Configuration guidelines for use of ‘Decommission’ commands on 7210 SAS-M and 7210 SAS-T devices

Buffer Pools on 7210 SAS-Sx/S 1/10GE and 7210 SAS-Sx 10/100GE devices................................................82

Buffer Pools on 7210 SAS-Mxp..........................................................................................................................83

Slope Policies for 7210 SAS-M, 7210 SAS-T, 7210 SAS-Sx/S 1/10GE, and 7210 SAS-Sx 10/100GE devices84

RED Slopes In Network and Access-uplink Mode ........................................................................................85

Tuning the Shared Buffer Utilization Calculation...........................................................................................88

Slope Policy Parameters ...............................................................................................................................90

Queue Management Policies for 7210 SAS-Mxp ...............................................................................................93

Queue Management Policy Parameters .......................................................................................................93

Port Scheduler Policies for 7210 SAS-M, 7210 SAS-T, 7210 SAS-Sx/S 1/10GE, and 7210 SAS- Sx 10/100GE94

Scheduler Modes ..........................................................................................................................................95

Schedulers on 7210 SAS-Mxp ...........................................................................................................................97

CPU Queues ......................................................................................................................................................97

Remark Policy on 7210 SAS-T, 7210 SAS-Sx/S 1/10GE, 7210 SAS-Sx 10/100GE, and 7210 SAS-Mxp (Network

mode) .............................................................................................................................

Egress Port Rate Limiting...................................................................................................................................98

Forwarding Classes............................................................................................................................................99

Forwarding-Class To Queue-ID Map on 7210 SAS-M, 7210 SAS-T, and 7210 SAS-Mxp .........................101

Forwarding-Class To Queue-ID Map on 7210 SAS-Sx/S 1/10GE and 7210 SAS-Sx 10/100GE ...............101

QoS Policy for Hybrid port on 7210 SAS-M and 7210 SAS-T ..........................................................................103

QoS Policy for Hybrid port on 7210 SAS-Sx/S 1/10GE and 7210 SAS-Sx 10/100GE .....................................103

QoS Policy for Hybrid port on 7210 SAS-Mxp ..................................................................................................104

QoS Policy Entities ...........................................................................................................................................105

Configuration Notes.....................................................................................................................................106

....................................98

Discard Eligibility Indicator (DEI) based Classification and Marking............................................ 107

In This Section..................................................................................................................................................107

DEI based Classification ..................................................................................................................................107

DEI based marking ..........................................................................................................................................109

Configuration Guidelines .................................................................................................................................109

Port Level Egress Rate-Limiting ....................................................................................................... 111

In This Section..................................................................................................................................................111

Overview...........................................................................................................................................................111

Applications .................................................................................................................................................111

Effect of Port Level Rate-Limiting on Network Queue Functionality............................................................112

Basic Configurations.........................................................................................................................................112

4 7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide

Table of Contents

Modifying Port Level Egress-Rate Command .............................................................................................113

Removing Port Level Egress-Rate Command ............................................................................................113

Default Egress-Rate Values ...................................................................................................................114

Port Level Egress-Rate Command Reference .................................................................................................115

Command Hierarchies.................................................................................................................................115

Configuration Commands .....................................................................................................................115

Show Commands...................................................................................................................................115

Command Descriptions ...............................................................................................................................116

Configuration Commands ......................................................................................................................116

Show Commands...................................................................................................................................116

Frame Based Accounting .................................................................................................................. 119

In This Section..................................................................................................................................................119

Overview...........................................................................................................................................................119

Frame Based Accounting ............................................................................................................................119

Effects of Enabling Ingress Frame Based Accounting on Ingress Meter Functionality ..............................120

Effects of Enabling Egress Frame Based Accounting on Network Queue Functionality ............................120

Accounting and Statistics ...........................................................................................................................120

Basic Configurations ........................................................................................................................................120

Enabling and Disabling Frame-Based Accounting .....................................................................................121

Frame Based Accounting Command Reference ..............................................................................................123

Command Hierarchies.................................................................................................................................123

Configuration Commands .....................................................................................................................123

Command Descriptions ...............................................................................................................................124

Configuration Commands ......................................................................................................................124

Network QoS Policies ........................................................................................................................ 125

In This Section..................................................................................................................................................125

Overview...........................................................................................................................................................125

Overview of Network QoS policies in Network mode ..................................................................................125

Overview of Network QoS policies in Access-uplink mode .........................................................................126

Network QoS Policy in Network Mode..............................................................................................................126

Network Qos Policy (ip-interface type) Functionality ...................................................................................127

Basic Configurations ...................................................................................................................................128

Create a Network QoS Policy (type - IP interface) for Network mode.........................................................128

Example for network qos policy of type ip-interface ...............................................................................129

Configuring Network policy (type - port) for Network Mode.........................................................................131

Default Network Policy Values available in Network mode .........................................................................133

Resource Allocation for Network QoS policy ..............................................................................................137

Network QoS Policies Resource Usage Examples .....................................................................................140

Network QoS Policy in Access Uplink Mode ....................................................................................................148

Basic Configurations ...................................................................................................................................149

Configuring Network policy for Access-uplink Mode ...................................................................................150

Default Network Policy Values available in Access-uplink mode ................................................................152

DSCP Marking CPU Generated Traffic ............................................................................................................156

Default DSCP Mapping Table .....................................................................................................................157

Service Management Tasks .............................................................................................................................158

Deleting QoS Policies..................................................................................................................................158

Remove a Policy from the QoS Configuration.............................................................................................159

7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide 5

Table of Contents

Copying and Overwriting Network Policies .................................................................................................159

Editing QoS Policies....................................................................................................................................160

Network QoS Policy Command Reference ......................................................................................................161

Command Hierarchies.................................................................................................................................161

Configuration Commands ......................................................................................................................161

Configuration Commands (for 7210 SAS-M network mode operation)..................................................161

Configuration Commands in 7210 SAS-T and 7210 SAS-Sx/S 1/10GE configured in network mode...162

Configuration Commands for 7210 SAS-Mxp ........................................................................................163

Configuration Commands in Access-uplink Mode .................................................................................164

Operational Commands (for network mode or access-uplink mode of operation) .................................165

Show Commands (for network mode or access-uplink mode of operation)...........................................165

Command Descriptions ...............................................................................................................................166

Configuration Commands ......................................................................................................................166

Operational Commands .........................................................................................................................166

Show Commands...................................................................................................................................195

Network Queue QoS Policies ............................................................................................................ 209

In This Section..................................................................................................................................................209

Overview...........................................................................................................................................................209

Basic Configurations.........................................................................................................................................210

Create a Network Queue QoS Policy .........................................................................................................210

Applying Network Queue Policies ...............................................................................................................211

Applying Network Queue configuration in Network mode .....................................................................212

Applying Network Queue configuration in Access-Uplink mode ...........................................................212

Default Network Queue Policy Values .............................................................................................................213

Service Management Tasks .............................................................................................................................216

Deleting Network Queue QoS Policies........................................................................................................216

Copying and Overwriting Network Queue QoS Policies .............................................................................216

Editing Network Queue QoS Policies ..........................................................................................................218

Network Queue QoS Policy Command Reference...........................................................................................219

Command Hierarchies.................................................................................................................................219

Configuration Commands for 7210 SAS-M and 7210 SAS-T (network mode and access-uplink mode) 219

Configuration Commands for 7210 SAS-Mxp ........................................................................................219

Configuration Commands for 7210 SAS-Sx/S 1/10GE and 7210 SAS-Sx 10/100GE ...........................220

Operational Commands .........................................................................................................................220

Show Commands...................................................................................................................................220

Command Descriptions ...............................................................................................................................221

Configuration Commands ......................................................................................................................221

Operational Commands .........................................................................................................................221

Network Queue QoS Policy Commands ................................................................................................222

Network Queue QoS Policy Queue Commands ....................................................................................223

Show Commands...................................................................................................................................226

Service Ingress QoS Policies ............................................................................................................ 229

In This Section..................................................................................................................................................229

Overview...........................................................................................................................................................229

Default SAP Ingress Policy ...................................................................................................................230

Resource Allocation for SAP ingress policy ................................................................................................231

Use of Index file by SAP QoS Ingress policy ........................................................................................231

6 7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide

Table of Contents

Use of the keyword “multipoint” for default meter “11” ...........................................................................231

Service Ingress Meter Selection Rules ..................................................................................................234

Service Ingress Policy Configuration Considerations ...........................................................................236

Resource Allocation for Service Ingress QoS policies ...............................................................................237

Computation of resources used per SAP ingress policy .......................................................................240

Basic Configurations.........................................................................................................................................244

Create Service Ingress QoS Policies ..........................................................................................................244

Service Ingress QoS Policy .........................................................................................................................244

Service Ingress QoS Meter ...................................................................................................................245

Service Ingress IP Match Criteria ..........................................................................................................246

Service Ingress MAC Match Criteria .....................................................................................................247

Examples for Computation of resources required for Service ingress QoS policy.................................248

Applying Service Ingress Policies ..............................................................................................................284

Epipe ......................................................................................................................................................284

VPLS ......................................................................................................................................................284

VPRN .....................................................................................................................................................285

IES ........................................................................................................................................................285

Service Management Tasks .............................................................................................................................286

Deleting QoS Policies..................................................................................................................................286

Remove a QoS Policy from Service SAP(s) ..........................................................................................287

Copying and Overwriting QoS Policies .......................................................................................................287

Remove a Policy from the QoS Configuration.............................................................................................288

Editing QoS Policies....................................................................................................................................288

Service SAP QoS Policy Command Reference ...............................................................................................289

Command Hierarchy ...................................................................................................................................289

Service Ingress QoS Policy Commands ...............................................................................................289

Operational Commands .........................................................................................................................291

Show Commands...................................................................................................................................291

Command Descriptions ...............................................................................................................................292

Configuration Commands ......................................................................................................................292

Operational Commands .........................................................................................................................292

Show Commands...................................................................................................................................320

Access Egress QoS Policies on 7210 SAS-M, 7210 SAS-T, 7210 SAS-Sx/S 1/10GE, and 7210 SAS-

Sx 10/100GE ........................................................................................................................................ 331

In This Section..................................................................................................................................................331

Overview...........................................................................................................................................................332

Basic Configurations ...................................................................................................................................332

Modifying Access Egress QoS Queues .................................................................................................334

Applying Access Egress QoS Policies ...................................................................................................334

Default Access Egress QoS Policy Values ............................................................................................335

Deleting QoS Policies ............................................................................................................................337

Removing a Policy from the QoS Configuration.....................................................................................337

Access Egress QoS Policy Command Reference ............................................................................................339

Command Hierarchies.................................................................................................................................339

Configuration Commands for 7210 SAS-M (Access-uplink mode) .......................................................339

Configuration Commands for 7210 SAS-M network mode ...................................................................340

Configuration Commands for 7210 SAS-T (Access-uplink mode) ........................................................340

7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide 7

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Configuration Commands for 7210 SAS-T, 7210 SAS-Sx/S 1/10GE, and 7210 SAS-Sx 10/100GE network

mode .....................................................................................................................................................341

Operational Commands .........................................................................................................................341

Show Commands...................................................................................................................................341

Configuration Commands............................................................................................................................342

Generic Commands ...............................................................................................................................342

Access Egress Queue QoS Policy Commands .....................................................................................351

Access Egress QoS Policies for 7210 SAS-Mxp ............................................................................. 359

In This Section..................................................................................................................................................359

Overview...........................................................................................................................................................359

Access Egress QoS policy for SAP-based queuing mode on 7210 SAS-Mxp ............................................360

Access Egress QoS policy for Port-based Queuing mode on 7210 SAS-Mxp............................................361

Basic Configurations ...................................................................................................................................363

Editing QoS Policies...............................................................................................................................363

Deleting QoS Policies ............................................................................................................................363

Removing a Policy from the QoS Configuration.....................................................................................364

Access Egress QoS Policy Command Reference ............................................................................................365

Command Hierarchies.................................................................................................................................365

Configuration Commands for 7210 SAS-Mxp ........................................................................................365

Show Commands...................................................................................................................................365

Command Descriptions ...............................................................................................................................366

Service Egress Policies for 7210 SAS-Mxp...................................................................................... 379

In This Section..................................................................................................................................................379

Overview...........................................................................................................................................................379

Basic Configurations ...................................................................................................................................379

Create a SAP Egress Policy........................................................................................................................380

Editing QoS Policies....................................................................................................................................381

Service Egress Policy Command Reference....................................................................................................383

Command Hierarchies.................................................................................................................................383

Configuration Commands for 7210 SAS-Mxp ........................................................................................383

Copy Commands ...................................................................................................................................383

Show Commands...................................................................................................................................383

Command Descriptions ...............................................................................................................................384

Configuration Commands ......................................................................................................................384

QoS Port Scheduler Policies for 7210 SAS-M and 7210 SAS-T ..................................................... 395

In This Section..................................................................................................................................................395

Overview ..........................................................................................................................................................395

Configuring Port Scheduler Policies............................................................................................................395

Basic Configurations ...................................................................................................................................396

Creating a QoS Port Scheduler Policy ...................................................................................................396

Service Management Tasks .............................................................................................................................396

Copying and Overwriting Scheduler Policies ..............................................................................................397

Editing QoS Policies....................................................................................................................................398

Schedulers on 7210 SAS-Sx/S 1/10GE and 7210 SAS-Sx 10/100GE.............................................. 399

In this section....................................................................................................................................................399

8 7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide

Table of Contents

QoS Port Scheduler Policy Command Reference ............................................................................................401

Command Hierarchies.................................................................................................................................401

Port Scheduler Policy Configuration Commands ...................................................................................401

Operational Commands .........................................................................................................................401

Show Commands...................................................................................................................................401

Command Descriptions ...............................................................................................................................402

Configuration Commands ......................................................................................................................402

Operational Commands .........................................................................................................................402

Port Scheduler Policy Commands .........................................................................................................403

Show Commands...................................................................................................................................405

Schedulers on 7210 SAS-Mxp ........................................................................................................... 409

In This Section..................................................................................................................................................409

Overview ..........................................................................................................................................................409

Scheduling with SAP based queues on Access ports .....................................................................................410

Scheduling on Network Ports ...........................................................................................................................412

Scheduling on Hybrid port with SAP based egress queues .............................................................................412

Port Based Scheduling and Queuing on Access Ports ....................................................................................413

Scheduling on hybrid port with port based SAP queues ..................................................................................415

Slope QoS Policies............................................................................................................................. 417

In This Section..................................................................................................................................................417

Overview ..........................................................................................................................................................417

Configuration Guidelines .............................................................................................................................417

For 7210 SAS-M Network Mode ............................................................................................................417

For 7210 SAS-M Access-uplink mode ...................................................................................................418

WRED Slope enhancement ...................................................................................................................418

WRED support on 7210 SAS-T access-uplink mode ..................................................................................419

Basic Configurations ...................................................................................................................................420

Create a Slope QoS Policy ....................................................................................................................420

Applying Slope Policies..........................................................................................................................422

Default Slope Policy Values .......................................................................................................................422

Service Management Tasks .............................................................................................................................426

Deleting QoS Policies..................................................................................................................................426

Ports.......................................................................................................................................................426

Remove a Policy from the QoS Configuration .......................................................................................426

Copying and Overwriting QoS Policies .......................................................................................................426

Editing QoS Policies....................................................................................................................................429

Slope QoS Policy Command Reference ..........................................................................................................431

Command Hierarchies.................................................................................................................................431

Configuration Commands .....................................................................................................................431

WRED Commands ................................................................................................................................432

Operational Commands .........................................................................................................................432

Show Commands...................................................................................................................................432

Command Descriptions ...............................................................................................................................433

Configuration Commands ......................................................................................................................433

Operational Commands .........................................................................................................................433

Show Commands...................................................................................................................................441

7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide 9

Table of Contents

Queue Management Policies............................................................................................................. 445

In This Section..................................................................................................................................................445

Overview...........................................................................................................................................................445

Basic Configurations ...................................................................................................................................446

Service Management Tasks .............................................................................................................................446

Creating a Queue Management Policy .......................................................................................................446

Editing QoS Policies....................................................................................................................................447

Queue Management Policy Command Reference ...........................................................................................449

Command Hierarchies.................................................................................................................................449

Configuration Commands for 7210 SAS-Mxp ........................................................................................449

Show Commands...................................................................................................................................449

Operational Commands .........................................................................................................................449

Command Descriptions ...............................................................................................................................451

Configuration Commands ......................................................................................................................451

Operational Commands .........................................................................................................................451

Show Commands...................................................................................................................................456

Remark Policies ................................................................................................................................. 461

In This Section..................................................................................................................................................461

Overview...........................................................................................................................................................461

Configuration Guideline...............................................................................................................................466

Basic Configurations ...................................................................................................................................466

Creating a Remark Policy ......................................................................................................................466

Editing QoS Policies...............................................................................................................................468

Remark Policy Command Reference ...............................................................................................................469

Command Hierarchies.................................................................................................................................469

Configuration Commands for 7210 SAS-T, 7210 SAS-Sx/S 1/10GE, 7210 SAS-Sx 10/100GE, and 7210

SAS-Mxp in Network Mode ....................................................................................................................469

Show Commands...................................................................................................................................469

Operational Commands .........................................................................................................................470

Command Descriptions ...............................................................................................................................471

Configuration Commands ......................................................................................................................471

Operational Commands .........................................................................................................................471

Show Commands...................................................................................................................................482

10 7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide

List of Figures

QoS Policies ......................................................................................................................................... 21

Figure 1 7210 SAS Traffic Types Operating in Network Mode ....................................................................36

Figure 2 7210 SAS-M Traffic Types for Access Uplink Mode ......................................................................37

Figure 3 Traffic Queuing Model for Forwarding Classes..............................................................................62

Figure 4 RED Slope Characteristics ............................................................................................................87

Schedulers on 7210 SAS-Mxp ........................................................................................................... 409

Figure 5 SAP Egress Scheduling...............................................................................................................410

Figure 6 Scheduling on Network Ports.......................................................................................................412

Figure 7 Hybrid Port Egress Scheduling ....................................................................................................413

Figure 8 Port Based Scheduling and Queuing...........................................................................................414

Figure 9 Scheduling hierarchy for the hybrid port with SAPs.....................................................................415

7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide 11

List of Figures

12 7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide

List of Tables

Getting Started...................................................................................................................................... 19

Table 1 Configuration Process ..................................................................................................................19

QoS Policies ......................................................................................................................................... 21

Table 2 QoS Policy Types and Descriptions for 7210 SAS-M, T devices in Access-uplink mode .............24

Table 3 QoS Policy Types and Descriptions for 7210 SAS-M, T devices in network mode ......................27

Table 4 QoS Policy Types and Descriptions for 7210 SAS-Mxp devices ..................................................31

Table 5 QoS Policy Types and Descriptions for 7210 SAS-Sx/S 1/10GE and 7210 SAS0Sx 10/100GE

devices ..........................................................................................................................................35

Table 6 Default Network QoS Policy (type = ip-interface) Egress Marking ..............................................39

Table 7 Default Network QoS Policy (type = ip-interface) EXP to FC Mapping .........................................39

Table 8 Default Network QoS Policy of type 'port' Egress Marking ..........................................................41

Table 9 Default Network QoS Policy of Type Port - Dot1p/DSCP to FC Mapping ....................................42

Table 10 Default Network QoS Policy used for Egress Marking on Access-uplink Ports ............................43

Table 11 Default Network QoS Policy used for Dot1p to FC on Access-uplink Ports ..................................44

Table 12 Default Network Queue Policy Definition (for 7210 SAS-M, 7210 SAS-T, 7210 SAS-Sx/S 1/10GE,

7210 SAS-Sx 10/100GE, and 7210 SAS-Mxp configured in Network mode) ...............................45

Table 13 Default Network Queue Policy Definition (for 7210 SAS-M and 7210 SAS-T configured in access

uplink mode) .................................................................................................................................47

Table 14 Supported Hardware rates and burst step sizes for CIR and PIR values for all platforms ..........50

Table 15 Administrative Rate Example .......................................................................................................50

Table 16 Supported Hardware Rates and CIR/PIR Values for 7210 SAS-M, 7210 SAS-T, and 7210 SAS-Sx/S

1/10GE devices .............................................................................................................................58

Table 17 Supported Hardware Rates and CIR/PIR Values for 10-Gig Port for all platforms .......................58

Table 18 Supported Hardware Rates and CIR/PIR Values for 7210 SAS-Mxp devices ..............................59

Table 19 Default CBS and MBS Values ......................................................................................................60

Table 20 Service Ingress QoS Policy IP Match Criteria for 7210 SAS-M, 7210 SAS-Sx/S 1/10GE, 7210 SAS-

Sx 10/100GE, and 7210 SAS-Mxp network mode ........................................................................64

Table 21 Service Ingress QoS Policy MAC Match Criteria for 7210 SAS-M, 7210 SAS-T, 7210 SAS-Sx/S 1/

10GE, 7210 SAS-Sx 10/100GE, and 7210 SAS-Mxp Network mode ...........................................64

Table 22 Service Ingress QoS Policy IPv6 Match Criteria for 7210 SAS-M, 7210 SAS-T, 7210 SAS-Sx/S 1/

10GE, 7210 SAS-Sx 10/100GE and 7210 SAS-Mxp network mode ...........................................64

Table 23 Service Ingress QoS policy MAC criteria for 7210 SAS-M and 7210 SAS-T access-uplink mode

......................................................................................................................................................64

Table 24 Service Ingress QoS Policy IPv6 Match Criteria in 7210 SAS-M and 7210 SAS-T access-uplink

mode .............................................................................................................................................65

Table 25 Service Ingress QoS Policy MAC Match Criteria in 7210 SAS-M and 7210 SAS-T access-uplink

mode .............................................................................................................................................65

Table 26 MAC Match Ethernet Frame Types .............................................................................................65

Table 27 MAC Match Criteria Frame Type Dependencies .........................................................................65

Table 28 Default Service Ingress Policy ID 1 Definition ..............................................................................66

Table 29 Default SAP Egress Policy ID 1 Definition for 7210 SAS-Mxp ......................................................70

Table 30 Default Access Egress Policy ID 1 Definition for

Table 31 Default Access Egress Policy ID 1 Definition for 7210 SAS-M and 7210 SAS-T ..........................74

Table 32 TAF Impact on Shared Buffer Average Utilization Calculation ....................................................88

Table 33 Default Slope Policy Definition (for 7210 SAS-M configured in Network mode) ...........................90

7210 SAS-M and 7210 SAS-T ..........................73

7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide 13

List of Tables

Table 34 Default Slope Policy Definition (for 7210 SAS-T, 7210 SAS-Sx/S 1/10GE, and 7210 SAS- Sx 10/

100GE configured in Network mode) ............................................................................................92

Table 35 Default values for the default slope policy for 7210 SAS-Mxp ......................................................94

Table 36 Minimum and Maximum Bandwidth Meters Example ...................................................................95

Table 37 Forwarding Classes ......................................................................................................................99

Table 38 Forwarding Class to Queue-ID Map for 7210 SAS-M, 7210 SAS-T, and 7210 SAS-Mxp ..........101

Table 39 Forwarding Class to Queue-ID Map for 7210 SAS-Sx/S 1/10GE and 7210 SAS-Sx 10/100GE .102

Network QoS Policies ........................................................................................................................ 125

Table 40 Network Policy Defaults for Policy Type IP Interface .................................................................133

Table 41 Default Network QoS Policy of Type IP Interface, LSP EXP to FC Mapping on Ingress ............134

Table 42 DSCP and Dot1p Marking ..........................................................................................................156

Table 43 Default DSCP Mapping Table......................................................................................................157

Table 44 Default DSCP Names to DSCP Value Mapping Table ..............................................................182

Table 45 Default Class Selector Code Points to DSCP Value Mapping Table .........................................183

Table 46 Show QoS Network Output Fields ............................................................................................196

Table 47 Show QoS Network Output Fields ............................................................................................202

Table 48 Show QoS Network Output Fields ............................................................................................206

Network Queue QoS Policies ............................................................................................................ 209

Table 49 Network Queue Labels and Descriptions ....................................................................................227

Access Egress QoS Policies on 7210 SAS-M, 7210 SAS-T, 7210 SAS-Sx/S 1/10GE, and 7210 SAS-

Sx 10/100GE ........................................................................................................................................ 331

Table 50 Default FC Marking Values for 7210 SAS-M and 7210 SAS-T (Access-uplink mode) and 7210 SAS-

M (Network mode) ......................................................................................................................336

Slope QoS Policies............................................................................................................................. 417

Table 51 Slope behavior table ...................................................................................................................419

Table 52 Show QoS Slope Policy Output Fields ......................................................................................441

Queue Management Policies............................................................................................................. 445

Table 53 Show Queue Management Policy Output Fields ......................................................................456

Remark Policies ................................................................................................................................. 461

Table 54 Summary of remark policy and attachment points for 7210 SAS- T, 7210 SAS-Sx/S 1/10GE, and

7210 SAS-Sx 10/100GE(Network mode) ....................................................................................462

Table 55 Summary of remark policy and attachment points for SAS-Mxp ................................................464

Table 56 Show Remark Policy Output Fields ..........................................................................................482

14 7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide

About This Guide

This guide describes Quality of Service (QoS) provided by the 7210 SAS-M, T, Sx/S 1/ 10GE,Sx 10/100GE, and Mxp presents examples to configure and implement various protocols and services.

On 7210 SAS devices, not all the CLI commands are supported on all the platforms and in all the modes. In many cases, the CLI commands are mentioned explicitly in this document. In other cases, it is implied and easy to know the CLIs that are not supported on a particular platform.All the variants of 7210 SAS-M and 7210 SAS-T can be configured in two modes, that is, in network mode and in access-uplink mode. In network mode configuration 7210 SAS-M and 7210 SAS-T uses IP/MPLS to provide service transport. In access-uplink mode configuration 7210 SAS-M and 7210 SAS-T uses Ethernet QinQ technology to provide service transport. The mode can be selected by configuring the BOF appropriately. 7210 SAS-Mxp, 7210 SAS-Sx/S 1/10GE, and 7210 SAS-Sx 10/100GE devices operates only on Network mode.

Preface

This guide also presents examples to configure and implement various tests.

Note:

• This user guide is applicable to all 7210 SAS-M, 7210 SAS-T, 7210 SAS-Mxp, 7210 SAS-Sx/S 1/10GE, and 7210 SAS-Sx 10/100GE platforms, unless specified otherwise.

• In either mode, it is expected that the user will only configure the required CLI parameters appropriate for the mode he intends to use. Unless otherwise noted, most of the configuration is similar in both the network mode and Access uplink mode.

• Only 7210 SAS-M, 7210 SAS-T, supports access-uplink mode. 7210 SAS-Mxp, 7210 SAS-Sx/S 1/10GE, and 7210 SAS-Sx 10/100GE supports only Network Mode.

• The 7210 SAS-Sx/S 1/10GE and 7210 SAS-Sx 10/100GE can be operated in standalone mode and satellite mode. The user guide provides features and CLI commands supported in 7210 SAS-Sx/S 1/10GE and 7210 SAS-Sx 10/100GE standalone mode of operations. Only the Basics System Configuration User Guide contains information on how to boot the 7210 SAS-Sx/S 1/10GE and 7210 SAS-Sx 10/ 100GE in satellite mode of operation.

7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide 15

About This Guide

Audience

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.

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

List of Technical Publications

The 7210 SAS-M, T, X, R6, R12, Mxp, Sx OS documentation set is composed of the following books:

• 7210 SAS-M, T, X, R6, R12, Mxp, Sx OS Basic System Configuration Guide

This guide describes basic system configurations and operations.

• 7210 SAS-M, T, X, R6, R12, Mxp, Sx OS System Management Guide

This guide describes system security and access configurations as well as event logging and accounting logs.

• 7210 SAS-M, T, X, R6, R12, Mxp, Sx OS Interface Configuration Guide

This guide describes card, Media Dependent Adapter (MDA), link aggregation group (LAG), and port provisioning.

• 7210 SAS-M, T, X, R6, R12, Mxp, Sx OS Router Configuration Guide

This guide describes logical IP routing interfaces and associated attributes such as an IP address, port, as well as IP and MAC-based filtering.

• 7210 SAS-M, T, Mxp, Sx OS Services Guide

This guide describes how to configure service parameters such as customer information, and user services.

16 7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide

• 7210 SAS-M, T, X, R6, R12, Mxp, Sx 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,T, Mxp, Sx Quality of Service Guide

This guide describes how to configure Quality of Service (QoS) policy management.

• 7210-SAS-M, T, X, R6, R12, Mxp, Sx OS MPLS Guide

This guide describes how to configure Multiprotocol Label Switching (MPLS) and Label Distribution Protocol (LDP).

• 7210-SAS-M, T, X, R6, R12, Mxp, Sx OS Routing Protocols Guide

This guide provides an overview of routing concepts and provides configuration examples for OSPF, IS-IS, and route policies.

Technical Support

Preface

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://www.alcatel-lucent.com/wps/portal/support

7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide 17

About This Guide

18 7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide

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 accessuplink mode. Unless otherwise noted, many of the qos policies are applicable to both network mode and access-uplink mode.

Getting Started

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

• Accounting Mode Frame Based Accounting

•Network Network QoS Policies

•Network queue Network Queue QoS Policies

• SAP ingress Service Ingress QoS Policies

7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide 19

Alcatel-Lucent 7210 SAS-Series Services Configuration Process

Table 1: Configuration Process (Continued)

Area Task Chapter (Continued)

• Access egress Access Egress QoS Policies on

7210 SAS-M, 7210 SAS-T, 7210 SAS-Sx/S 1/10GE, and 7210 SASSx 10/100GE

• Access egress for 7210

SAS-Mxp

• Port scheduler QoS Port Scheduler Policies for

Schedulers on 7210 SAS-Mxp Schedulers on 7210 SAS-Mxp

•Slope Slope QoS Policies

Queue Management Policies Queue Management Policies

Remark Policies Remark Policies

Reference • List of IEEE, IETF, and

other proprietary entities

Access Egress QoS Policies for 7210 SAS-Mxp

7210 SAS-M and 7210 SAS-T

Standards and Protocol Support

20 7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide

In This Chapter

This chapter provides information about Quality of Service (QoS) policy management.

Topics in this chapter include:

• QoS Overview

• QoS Policy Entities

• Configuration Notes

QoS Policies

QoS Overview

The 7210 SAS devices are designed with QoS mechanisms on both ingress and egress to support multiple services per physical port. The 7210 SAS devices are extensive and flexible capabilities to Classify, Police, Queue, Shape, and mark traffic.

Note: The QoS capabilities supported on different 7210 SAS platforms are different. In other words, not all the platforms support all of the capabilities. Please read through the following chapters to know what is available on different 7210 SAS platforms.

In the Nokia 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 Nokia 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 Nokia 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.

7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide 21

QoS Overview

The 7210 SAS supports eight forwarding classes internally named: Network-Control, High1, Expedited, High-2, Low-1, Assured, Low-2 and Best-Effort. The forwarding classes are discussed in more detail in Forwarding Classes.

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. Typically, Policy ID 1 or Policy ID “default” (there are a few instances where the default QoS policy uses a different ID) 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 defining marking behavior.

• Slope policies define default buffer allocations and WRED slope definitions.

• Port Scheduler policies, SAP ingress/egress policies or network/network-queue policies determine how queues are scheduled.

Overview of QoS Policies on 7210 SAS-M and 7210 SAS-T in Access-uplink mode

When configured to operate in access-uplink mode, 7210 SAS M and 7210 SAS-T QoS policies are applied on service ingress, access port egress, and access-uplink port ingress and egress. These policies allow user to configure the following:

• Classification rules for how traffic is mapped to forwarding classes

• Forwarding class association with meters and meter parameters used for policing (rate limiting).

• Queuing parameters for shaping and buffer allocation

• QoS marking/interpretation

There are several types of QoS policies:

• Service ingress (for access SAP ingress)

• Access egress (for access port egress)

• Network (for access-uplink port, ingress and egress)

• Network queue (for access-uplink port, egress)

22 7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide

QoS Policies

• Port scheduler (for access port and access-uplink port egress)

• Slope Policies

Service ingress QoS policies are applied to the customer-facing Service Access Points (SAPs). Traffic that enters through the SAP is classified to map it to a Forwarding Class (FC). Forwarding class is associated with meters/policier on ingress. The mapping of traffic to meters can be based on combinations of customer QoS marking (IEEE 802.1p bits), IP and MAC criteria. The characteristics of the forwarding class meters are defined within the policy as to the number of forwarding class meters for unicast traffic and the meter characteristics (like CIR, PIR, etc.). Each of the forwarding classes can be associated with different unicast parameters. A service ingress QoS policy also defines up to three (3) meters per forwarding class to be used for multipoint traffic for multipoint services. There can be up to 32 meters in total per Service ingress QOS policies. In the case of the VPLS, four types of forwarding are supported (which is not to be confused with forwarding classes); unicast, multicast, broadcast, and unknown. Multicast, broadcast, and unknown types are flooded to all destinations within the service while the unicast forwarding type is handled in a point-topoint fashion within the service.

An access egress policy is analogous to a SAP egress policy as defined in the 7x50 SR series of products. The difference is the point of attachment. An access egress policy is applied on the physical port as opposed to the logical port (SAP) for SAP egress policy. It applies to all the SAPs on the given port. An access egress QoS policy maps the traffic egressing out on the customer facing ports into various queues and marks the traffic accordingly. The FCs are mapped onto the queues. There are 8 queues at the port level. FC-to-queue mapping is static and is not configurable. The number of queues is not user configurable and software always allocates 8 queues at the port level. An access egress policy also defines how to remark the forwarding class to packet header bits (for example: IEEE 802.1p bits in the L2 VLAN header, etc.).

For devices configured to operate in access uplink mode, network QoS policies apply to access uplink ports. Access-uplink ports in access-uplink mode are analogous to network ports in network mode. On ingress, the policy applied to an access-uplink port maps incoming Dot1p values to forwarding class and profile state for the traffic received from the core network. On egress, the policy maps forwarding class and profile state to packet header values (for example: IEEE 802.1p value in the L2 header, etc.) for traffic to be transmitted into the core network.

Network queue policies are applied on egress of access-uplink ports when operating in access-uplink mode. The policies define the forwarding class queue characteristics for these entities. The FCs are mapped onto the queues. There are 8 queues at the port level. FC-toqueue mapping is system defined not user configurable. The number of queues is not user configurable and software always allocates 8 queues at the port level.

Service ingress, access egress, and network QoS policies are defined with a scope of either template or exclusive. Template policies can be applied to multiple entities (such as SAPs and ports) whereas exclusive policies can only be applied to a single entity.

7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide 23

QoS Overview

One service ingress QoS policy can be applied to a specific SAP. Access egress policy can be applied to an access port. One access egress QoS policy can be applied to the access port. One network QoS policy can be applied to a access-uplink port when operating in accessuplink mode. A network QoS policy defines both ingress and egress behavior. One network queue policy can be applied to an access-uplink port. If no QoS policy is explicitly applied to a SAP, port or interface, a default QoS policy is applied.

A summary of the major functions performed by the QoS policies is listed in Table 3.

Note: Not all policies are supported on all platforms. For more information, see the sections, and chapters below.

Table 2: QoS Policy Types and Descriptions for 7210 SAS-M, T devices in Access-uplink mode

Policy Type Device

Operating Mode

Service Ingress Access-Uplink

mode

Access Egress Access-Uplink

mode

Network Access-Uplink

mode

Applied at… Description Page

SAP ingress • Defines up to 16 forwarding class

meters and meter parameters for traffic classification.

• Defines match criteria to map flows to the meters based on any one of the criteria.

Access port • Defines up to 8 forwarding class queues

and queue parameters for traffic classification.

• Maps forwarding classes to the queues.

• Defines FC to remarking values (for example: Dot1p, etc.).

• Defines CIR levels and PIR weights that determines how the queue gets prioritized by the scheduler.

Access-Uplink port

• Used for classification/marking of IP packets.

• At ingress, defines Dot1p to FC mapping and 8 meters.

• At egress, defines FC to remarking values (for example: Dot1p, etc.)

24 7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide

QoS Policies

Table 2: QoS Policy Types and Descriptions for 7210 SAS-M, T devices in Access-uplink mode (Continued)

Policy Type Device

Operating Mode

Network Queue Access-uplink

mode

Slope Access-uplink

mode

Port scheduler Access-uplink

mode

Applied at… Description Page

Access-uplink port

Access ports and Access uplink ports

• Defines forwarding class mappings to network queues and queue characteristics for the queues.

• Enables or disables the high-slope, lowslope, and non-TCP parameters within the egress pool.

• Defines the parameters for the port scheduler.

Overview of QoS Policies on 7210 SAS-M and 7210 SAS-T in network mode

QoS policies are applied on service ingress, access port egress, network port ingress and egress, and network IP interfaces ingress when configured to operate in network mode.

These policies allow user to configure the following:

• Classification rules for how traffic is mapped to forwarding classes

• Forwarding class association with meters and meter parameters used for policing (rate-limiting).

• Queuing parameters for shaping

• QoS marking/interpretation

There are several types of QoS policies:

• Service ingress (for access SAP ingress)

• Access egress (for access port egress)

• Network (for network and hybrid port, ingress and egress)

• Network queue (for network and hybrid port, egress)

• Port scheduler (for access port, network port and hybrid port egress)

• Slope Policies

• Remark policies (for access port, network port and hybrid port egress marking only on 7210 SAS-T Network Mode)

7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide 25

QoS Overview

Service ingress QoS policies are applied to the customer-facing Service Access Points (SAPs). Traffic that enters through the SAP is classified to map it to a Forwarding Class (FC). Forwarding class is associated with meters/policier on ingress. The mapping of traffic to meters can be based on combinations of customer QoS marking (IEEE 802.1p bits), IP and MAC criteria. The characteristics of the forwarding class meters are defined within the policy as to the number of forwarding class meters for unicast traffic and the meter characteristics (like CIR, PIR, etc.). Each of the forwarding classes can be associated with different unicast parameters. A service ingress QoS policy also defines up to three (3) meters per forwarding class to be used for multipoint traffic for multipoint services. There can be up to 32 meters in total per Service ingress QOS policies. In the case of the VPLS, four types of forwarding are supported (which is not to be confused with forwarding classes), unicast, multicast, broadcast, and unknown. Multicast, broadcast, and unknown types are flooded to all destinations within the service while the unicast forwarding type is handled in a point-topoint fashion within the service.

An access egress policy is analogous to a SAP egress policy as defined in the 7x50 SR series of products. The difference is the point of attachment. An access egress policy is applied on the physical port as opposed to the logical port (SAP) for SAP egress policy. It applies to all the SAPs on the given port. An access egress QoS policy maps the traffic egressing out on the customer facing ports into various queues and marks the traffic accordingly. The FCs are mapped onto the queues. There are 8 queues at the port level. FC-to-queue mapping is static and is not configurable. The number of queues is not user configurable and software allocates 8 queues at the port level. An access egress policy also defines how to remark the forwarding class to packet header bits (e.g. IEEE 802.1p bits in the L2 VLAN header, and others.).

For devices configured to operate in network mode, there are two types of network QoS policies, one applied to a network IP interface and the other is applied to a network port. Network QoS policies are applied to IP interfaces. On ingress, the policy applied to an IP interface maps incoming MPLS LSP EXP values to forwarding class and profile state for the traffic received from the core network. On egress, the policy maps forwarding class and profile state to MPLS LSP EXP values for traffic to be transmitted into the core network. The network policy applied to a network port maps incoming IP packets, DSCP or Dot1p values, to the forwarding class and the profile state for the traffic received from the core network. On egress, the policy maps forwarding class and profile state to DSCP and/or Dot1p values for IP traffic to be transmitted into the core network.

Network queue policies are applied on egress to network ports when operating in network mode. The policies define the forwarding class queue characteristics for these entities. The FCs are mapped onto the queues. There are 8 queues at the port level. FC-to-queue mapping is static and is not configurable. The number of queues is not user configurable and software allocates 8 queues at the port level.

26 7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide

QoS Policies

One service ingress QoS policy can be applied to a specific SAP Access egress policy can be applied to an access port. One access egress QoS policy can be applied to the access port. One network QoS policy can be applied to a specific IP interface or network port based on the type of network QoS policy. when operating in network mode. One network QoS policy can be applied to a access-uplink port when operating in access-uplink modeA network QoS policy defines both ingress and egress behavior. One network queue policy can be applied to the network port or a access-uplink port.

If no QoS policy is explicitly applied to a SAP, port or interface, a default QoS policy is applied.

A summary of the major functions performed by the QoS policies is listed in Tabl e 3.

Note: Not all policies are supported on all platforms. For more information, see the sections, and chapters below.

Table 3: QoS Policy Types and Descriptions for 7210 SAS-M, T devices in network mode

Policy Type Device

Operating Mode

Applied at… Description Page

Service Ingress Network mode SAP ingress • Defines up to 16 forwarding class

meters and meter parameters for traffic classification.

• Defines match criteria to map flows to the meters based on any one of the criteria.

Access Egress Network mode Access port • Defines up to 8 forwarding class queues

and queue parameters for traffic classification.

• Maps forwarding classes to the queues.

• Defines FC to remarking values.

• Defines CIR levels and PIR weights that determines how the queue gets prioritized by the scheduler.

7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide 27

QoS Overview

Table 3: QoS Policy Types and Descriptions for 7210 SAS-M, T devices in network mode (Continued)

Policy Type Device

Operating Mode

Network (of type’ipinterface’)

Network (of type’port’)

Network Queue Network mode Network Ports

Slope Network mode Access ports,

Network mode IP interface • Used for classification/marking of

Network mode Network and

Applied at… Description Page

Hybrid Ports

and Hybrid Ports

Network ports and Hybrid ports

MPLS packets.

• At ingress, defines MPLS LSP-EXP to FC mapping and 12 meters used by FCs.

• At egress, defines FC to MPLS LSPEXP marking.

• Used for classification/marking of IP packets.

• At ingress, defines DSCP or Dot1p to FC mapping and 8 meters.

• At egress, defines FC to DSCP or Dot1p marking or both.

• Defines forwarding class mappings to network queues and queue characteristics for the queues.

• Enables or disables the high-slope, lowslope, and non-TCP parameters within the egress pool.

Port scheduler Network mode Access ports,

Network ports and Hybrid ports

Remark Network Mode

(Only on 7210 SAS-T)

Network Port, Access ports and Hybrid Ports

• Defines the parameters for the port scheduler.

• Applied at egress, defines the FC to Priority Bits (DSCP or dot1p or EXP) marking.

461

Overview of QoS Policies on 7210 SAS-Mxp in network mode

QoS policies are applied on service ingress, access port egress, network port ingress and egress, and network IP interfaces ingress when configured to operate in network mode.

28 7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide

QoS Policies

These policies allow user to configure the following:

• Classification rules for how traffic is mapped to forwarding classes

• Forwarding class association with meters and meter parameters used for policing (rate-limiting).

• Queuing parameters for shaping

• QoS marking/interpretation

There are several types of QoS policies:

• Service ingress (for access SAP ingress)

• Access egress (for access SAP egress)

• Access egress (for access port egress)

• Network (for network and hybrid port, ingress and egress)

• Network queue (for network and hybrid port, egress)

• Port scheduler (for access port, network port and hybrid port egress)

• Slope Policies

• Remark policies (for access port, network port and hybrid port egress marking)

Service egress QoS policies are applied to SAPs and map forwarding classes to service egress queues for a service. The system allocates a maximum of 8 queues per SAP for the 8 forwarding classes. It is not user configurable. All traffic types (that is, both unicast and BUM traffic types) share the same queue on service egress. A service egress QoS policy defines the forwarding class queue characteristics and also defines how to remark the forwarding class to priority bits in the packet header (for example: IEEE 802.1p bits in the Ethernet VLAN tag) in the customer traffic.

7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide 29

QoS Overview

An access egress policy is applied on the physical port as opposed to the logical port (SAP) for SAP egress policy. It applies to all the SAPs on the given port. An access egress policy defines how to remark the forwarding class to packet header bits (For example: IEEE 802.1p bits in the L2 VLAN header, and others.).

The 7210 SAS-Mxp provides an option to use port-based queuing on access ports. This is a per-node configuration option and is mutually exclusive to use of SAP-based egress queues (configured through service egress policies). When enabled, all SAPs on the access port share a set of 8 queues configured on the port and the access egress policy is used to define the queue parameters for port-based queues.

One service ingress QoS policy can be applied to a specific SAP. Access egress policy can be applied to an access port. One access egress QoS policy can be applied to the access port. One network QoS policy can be applied to a specific IP interface or network port based on the type of network QoS policy. A network QoS policy defines both ingress and egress behavior. One network queue policy can be applied to the network port. If no QoS policy is explicitly applied to a SAP, port or interface, a default QoS policy is applied.

A summary of the major functions performed by the QoS policies is listed in Table 3.

Note: Not all policies are supported on all platforms. For more information, see the sections, and chapters below.

30 7210 SAS-M, T, Mxp, Sx, S OS Quality of Service Guide

+ 484 hidden pages

Nokia 7210 SAS OS, 7210 SAS-M, 7210 SAS-Sx, 7210 SAS-T, 7210 SAS-Mxp Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Table of Contents

List of Figures

List of Tables

About This Guide

Preface

Audience

List of Technical Publications

Technical Support

In This Chapter

Getting Started

Alcatel-Lucent 7210 SAS-Series Services Configuration Process

In This Chapter

QoS Policies

QoS Overview

Overview of QoS Policies on 7210 SAS-M and 7210 SAS-T in Access-uplink mode

Overview of QoS Policies on 7210 SAS-M and 7210 SAS-T in network mode

Overview of QoS Policies on 7210 SAS-Mxp in network mode