Juniper JUNOS - NETWORK OPERATION GUIDE REV1 Network Operation Manual

Juniper Networks, Inc.

1194 North Mathilda Avenue

Sunnyvale, CA 94089

USA

408-745-2000

www.juniper.net

Part Number: 530-012090-01, Revision 1

JUNOS™

Internet Software

for M-series and T-series Routing Platforms

Network Operations Guide

Hardware

ii !

domain.

This product includes FreeBSD software developed by the University of California, Berkeley, and its contributors. All of the documentation and software

Cornell University and its collaborators. Gated is based on Kirton’s EGP, UC Berkeley’s routing daemon (routed), and DCN’s HELLO routing protocol.

Juniper Networks, the Juniper Networks logo, NetScreen, NetScreen Technologies, the NetScreen logo, NetScreen-Global Pro, ScreenOS, and GigaScreen are

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NetScreen-SA 3000 Series, NetScreen-SA 5000 Series, NetScreen-SA Central Manager, NetScreen Secure Access, NetScreen-SM 3000, NetScreen-Security

Manager, NMC-RX, SDX, Stateful Signature, T320, T640, T-series, and TX Matrix. All other trademarks, service marks, registered trademarks, or registered

service marks are the property of their respective owners. All specifications are subject to change without notice.

Products made or sold by Juniper Networks or components thereof might be covered by one or more of the following patents that are owned by or licensed

to Juniper Networks: U.S. Patent Nos. 5,473,599, 5,905,725, 5,909,440, 6,192,051, 6,333,650, 6,359,479, 6,406,312, 6,429,706, 6,459,579, 6,493,347,

6,538,518, 6,538,899, 6,552,918, 6,567,902, 6,578,186, and 6,590,785.

JUNOS Internet Software for M-series and T-series Routing Platforms Network Operations Guide: Hardware

Writer: Donice G. Mitchell

Editor: Sonia Saruba

Covers and template design: Edmonds Design

Thanks to Damien Halloway, Jim Boyle, John Hammond, John Jacobs, Majid Ansari, Nitin Serro, Richard Southerland, and Robert Kim for their help with the

revision of this guide.

Revision History

21 March 2005—Revision 1

The information in this document is current as of the date listed in the revision history.

Juniper Networks assumes no responsibility for any inaccuracies in this document. Juniper Networks reserves the right to change, modify, transfer, or

otherwise revise this publication without notice.

Year 2000 Notice

Juniper Networks hardware and software products are Year 2000 compliant. The JUNOS software has no known time-related limitations through the year

2038. However, the NTP application is known to have some difficulty in the year 2036.

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uses. The software license may state conditions under which the license is automatically terminated. You should consult the license for further details.

For complete product documentation, please see the Juniper Networks Web site at www.juniper.net/techpubs.

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! iii

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iv !

Juniper Networks, Inc.

1194 North Mathilda Avenue

Sunnyvale, CA 94089 USA

Attn: Contracts Administrator

Abbreviated Table of Contents ! v

Abbreviated Table of Contents

About This Manual xxvii

Part 1 Understanding M-series and T-series Internet Routers

Chapter 1 M5 and M10 Internet Router Overview 3

Chapter 2 M7i Internet Router Overview 7

Chapter 3 M10i Internet Router Overview 11

Chapter 4 M20 Internet Router Overview 15

Chapter 5 M40 Internet Router Overview 19

Chapter 6 M40e Internet Router Overview 23

Chapter 7 M160 Internet Router Overview 27

Chapter 8 M320 Internet Router Overview 31

Chapter 9 T320 Internet Router Overview 35

Chapter 10 T640 Internet Routing Node Overview 39

Part 2 Understanding Methodology and Tools for Monitoring

Router Components

Chapter 11 Understanding the Method and Tools for Monitoring Router Components 47

Part 3 Monitoring Key and Common Router Components

Chapter 12 Monitoring Key Router Components 91

Chapter 13 Monitoring the Router Chassis 107

Chapter 14 Monitoring the Routing Engine 125

Chapter 15 Monitoring FPCs 163

Chapter 16 Monitoring PICs 183

Chapter 17 Monitoring the Craft Interface 197

Chapter 18 Monitoring Power Supplies 217

Chapter 19 Monitoring the Cooling System 251

Chapter 20 Maintaining the Cable Management System, Cables, and Connectors 275

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JUNOS Internet Software Network Operations Guide: Hardware

Part 4 Monitoring M320 and T320 Router and T640 Routing

Node-Specific Components

Chapter 21 Monitoring the Host Subsystem 289

Chapter 22 Monitoring the Control Board 301

Chapter 23 Monitoring the SCGs 315

Chapter 24 Monitoring the SIBs 325

Part 5 Monitoring M40e and M160 Internet Router-Specific

Components

Chapter 25 Monitoring the Host Module 341

Chapter 26 Monitoring the SFMs 347

Chapter 27 Monitoring the MCS 359

Chapter 28 Monitoring the PCG 369

Chapter 29 Monitoring the CIP 381

Part 6 Monitoring M40 Internet Router-Specific Components

Chapter 30 Monitoring the SCB 393

Part 7 Monitoring M20 Internet Router-Specific Components

Chapter 31 Monitoring the SSB 405

Part 8 Monitoring M7i and M10i Router-Specific Components

Chapter 32 Monitoring the CFEBs 417

Chapter 33 Monitoring the HCM 431

Chapter 34 Monitoring the FIC 443

Part 9 Monitoring M5 and M10 Router-Specific Components

Chapter 35 Monitoring the FEB 453

Abbreviated Table of Contents

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Part 10 Monitoring Redundant Router Components

Chapter 36 Host Redundancy Overview 463

Chapter 37 Monitoring Redundant Routing Engines 491

Chapter 38 Monitoring Redundant Power Supplies 507

Chapter 39 Monitoring Redundant Cooling System Components 523

Chapter 40 Monitoring Redundant SIBs 543

Chapter 41 Monitoring Redundant SCGs 551

Chapter 42 Monitoring Redundant Control Boards 559

Chapter 43 Monitoring Redundant MCSs 567

Chapter 44 Monitoring Redundant SFMs 577

Chapter 45 Monitoring Redundant PCGs 595

Chapter 46 Monitoring Redundant SSBs 605

Chapter 47 Monitoring Redundant CFEBs 617

Chapter 48 Monitoring Redundant HCMs 623

Part 11 Appendices

Appendix A Command-Line Interface Overview 633

Part 12 Index

Index 659

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JUNOS Internet Software Network Operations Guide: Hardware

Table of Contents ! ix

Table of Contents

About This Manual xxvii

Objectives .................................................................................................. xxvii

Audience.................................................................................................... xxvii

Document Organization............................................................................ xxviii

Chapter Organization................................................................................ xxviii

Documentation Conventions....................................................................... xxix

Related Juniper Networks Documentation.................................................... xxx

Documentation Feedback .......................................................................... xxxii

Requesting Support................................................................................... xxxiii

Part 1 Understanding M-series and T-series Internet Routers

Chapter 1 M5 and M10 Internet Router Overview 3

M5 and M10 Router Components ....................................................................4

Monitoring M5 and M10 Router Components ..................................................5

Chapter 2

M7i Internet Router Overview 7

M7i Router Components ..................................................................................8

Monitoring M7i Router Components ................................................................9

Chapter 3

M10i Internet Router Overview 11

M10i Router Components ..............................................................................12

Monitoring M10i Router Components ............................................................13

Chapter 4

M20 Internet Router Overview 15

M20 Router Components ...............................................................................16

Monitoring M20 Router Components .............................................................17

Chapter 5

M40 Internet Router Overview 19

M40 Router Components ...............................................................................20

Monitoring M40 Router Components .............................................................21

Chapter 6

M40e Internet Router Overview 23

M40e Router Major Hardware Components ...................................................24

Monitoring M40e Router Components ...........................................................25

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JUNOS Internet Software Network Operations Guide: Hardware

Chapter 7 M160 Internet Router Overview 27

M160 Router Major Hardware Components...................................................28

Monitoring M160 Router Components ...........................................................29

Chapter 8

M320 Internet Router Overview 31

M320 Router Major Hardware Components...................................................32

Monitoring M320 Router Components ...........................................................33

Chapter 9

T320 Internet Router Overview 35

T320 Router Major Hardware Components....................................................37

Monitoring T320 Router Components ............................................................38

Chapter 10

T640 Internet Routing Node Overview 39

T640 Routing Node Major Hardware Components.........................................41

Monitoring T640 Routing Node Components .................................................42

Part 2 Understanding Methodology and Tools for Monitoring

Router Components

Chapter 11 Understanding the Method and Tools for Monitoring Router

Components 47

Basic Router Component Monitoring Method.................................................47

Basic Router Component Monitoring Tools ....................................................49

Common Operational Mode CLI Commands To Monitor Router

Components .....................................................................................53

Using the Basic Monitoring Method................................................................55

Check the Router Component Status .......................................................56

Check the Router Craft Interface .......................................................56

Check the Component LEDs..............................................................57

Display Detailed Component Environmental Information .................59

Display Detailed Component Operational Information......................60

Gather Component Alarm Information ....................................................60

Display the Current Router Alarms....................................................61

Display Error Messages in the Messages Log File ..............................83

Display Error Messages in the Chassis Daemon Log File ...................83

Verify the Component Problem ...............................................................84

Fix the Problem.......................................................................................84

Contact JTAC ...........................................................................................84

Return the Failed Component..................................................................86

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Part 3 Monitoring Key and Common Router Components

Chapter 12 Monitoring Key Router Components 91

Understanding Key Router Components ........................................................92

Packet Forwarding Engine.......................................................................92

Data Flow Through the Router Packet Forwarding Engine ................93

Routing Engine ......................................................................................104

Routing Engine Functions ...............................................................105

Chapter 13

Monitoring the Router Chassis 107

Understanding the Router Chassis ...............................................................108

Checking the Router Chassis Component Status ..........................................117

Display the Hardware Components Installed in the Router Chassis .......117

Check the Component Environmental Status.........................................118

Check the Component Status from the Craft Interface...........................118

Checking Router Alarms...............................................................................119

Display Current Component Alarms ......................................................120

Display Component Error Messages in the System Log File...................121

Display Component Errors in the Chassis Daemon Log File...................122

Verifying Router Component Failure............................................................122

Replacing a Failed Component.....................................................................122

Chapter 14

Monitoring the Routing Engine 125

Understanding the Routing Engine...............................................................127

Routing Engine Types and Characteristics .............................................127

M7i and M10i Router Routing Engine..............................................128

M5, M10, M20, M40, M40e, and M160 Router Routing Engines .....129

M320 Router Routing Engine ..........................................................129

T320 Router and T640 Routing Node Routing Engine .....................130

Routing Engine Locations ......................................................................130

M5, M10, and M20 Router Routing Engines Location......................131

M7i and M10i Router Routing Engine Location ...............................131

M40 Router Routing Engine Location..............................................132

M40e and M160 Router Routing Engine Location ...........................133

M320 Router Routing Engine Location............................................134

T320 Router and T640 Routing Node Routing Engine Location.......134

Routing Engine Redundancy..................................................................135

Routing Engine Component Companionship .........................................135

Routing Engine Boot Devices.................................................................135

Routing Engine Storage Media...............................................................136

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Monitoring the Routing Engine Status ..........................................................136

Check the Detailed Routing Engine Status .............................................137

Check the Routing Engine LEDs.............................................................138

Check the M7i Routing Engine LEDs ...............................................139

Check the M10i Router Routing Engine LEDs..................................139

Check the M20 Router Routing Engine LEDs...................................140

Check the M40 Router Routing Engine LEDs...................................142

Check the M40e and M160 Router Routing Engine LEDs ................143

Check the M320 Router Routing Engine LEDs.................................144

Check the T320 Router Routing Engine LEDs..................................144

Check the T640 Routing Node Routing Engine LEDs.......................145

Check the Redundant Routing Engine Status from the Craft Interface

CLI Output ......................................................................................146

Verifying Routing Engine Failure..................................................................149

Check Core Files If the Routing Engine Reboots ....................................149

List the Core Files Generated After A Crash Occurs .........................149

Display the Messages Log File After A Crash Occurs .......................150

Example of When No Core File Is Generated...................................150

Example of Boot Messages If Routing Engine Fails to Boot .............150

Check for Compact Flash Media and Hard Disk Failure .........................150

When the Compact Flash Is Removed from the Boot List................151

Determine Why Compact Flash Did Not Mount ..............................151

When the Hard Disk Is Removed from the Boot List .......................152

Verify That the Hard Disk Did Not Mount........................................152

Verify That the Hard Disk Is Missing from The Boot List .................153

View Alarms When Media Is Removed from the Boot List ..............153

Understand What Happens When Memory Failures Occur....................154

Check the Router File System and Boot Disk .........................................154

Display the Current Routing Engine Alarms...........................................155

Display Error Messages in the System Log File ......................................155

Document the Events Prior to the Failure ..............................................156

Getting Routing Engine Hardware Information ............................................157

Display Routing Engine Hardware Information......................................157

Locate the Routing Engine Serial Number ID Label................................158

M7i Router Routing Engine Serial Number ID Label Location..........158

M10i Router Routing Engine Serial Number ID Label Location........158

Teknor Type 2 Routing Engine Serial Number ID Label Location ....158

M40 Router Routing Engine Serial Number ID Label Location.........159

M320 Router Serial Number ID Label Location................................160

T320 Router and T640 Routing Node Serial Number ID Label

Location....................................................................................160

Removing a Routing Engine.........................................................................161

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Chapter 15 Monitoring FPCs 163

Understanding FPCs.....................................................................................164

Checking the FPC Status ..............................................................................166

Check FPC Status and Utilization ...........................................................166

Check FPC Status and Uptime ...............................................................167

Check FPC Status and Temperature.......................................................167

Check the FPC LED States .....................................................................168

Checking for FPC Alarms .............................................................................169

Display the Current FPC Alarms ............................................................169

Display FPC Error Messages in the System Log File...............................170

Display FPC Error Messages in the Chassis Daemon Log File ................171

Verifying FPC Failure ...................................................................................173

Document Events Prior to the FPC Failure.............................................173

Check the FPC Installation.....................................................................173

Check the FPC Fuses .............................................................................174

Take the FPC Offline..............................................................................175

Perform an FPC Swap Test ....................................................................176

Display the FPC Software Version Information ......................................176

Display the FPC Hardware Information .................................................177

Locate the FPC Serial Number ID Label .................................................177

Replacing an FPC .........................................................................................181

Chapter 16

Monitoring PICs 183

Understanding PICs .....................................................................................184

Checking the PIC Status ...............................................................................186

Display the PIC Media Type and FPC Status ..........................................186

Display the PIC Interface Status Information .........................................187

Check the PIC LED States ......................................................................188

Checking PIC Alarms....................................................................................189

Check Current Chassis Alarms...............................................................189

Display Error Messages in the System Log File ......................................190

Verifying PIC Failure ....................................................................................190

Perform a PIC Swap Test .......................................................................190

Display PIC Hardware Information ........................................................191

Locate the PIC Serial Number ID Label ..................................................192

Replacing a PIC............................................................................................195

Chapter 17

Monitoring the Craft Interface 197

Understanding the Craft Interface ................................................................199

Monitoring the Craft Interface Status ...........................................................203

View the Craft Interface Status ..............................................................203

Check the Craft Interface Environmental Status ....................................203

Viewing Craft Interface Information from the Command Line .....................204

Verifying Craft Interface Failure ...................................................................205

Display Craft Interface Alarms...............................................................206

Display Craft Interface Error Messages in the System Log File...............207

Display Craft Interface Messages in the Chassis Daemon Log File .........208

Display Craft Interface Hardware Information .......................................208

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JUNOS Internet Software Network Operations Guide: Hardware

Replacing the Craft Interface........................................................................209

Replace the M20 Router Craft Interface.................................................209

Replace the M40 Router Craft Interface.................................................209

Replace the M40e and M160 Router Craft Interface ..............................210

Replace the M320 Router Craft Interface...............................................211

Replace the T320 Router and T640 Routing Node Craft Interface..........212

Locating the Craft Interface Serial Number ID Label.....................................213

Locate the M20 Router Craft Interface Serial Number ID Label..............213

Locate the M40 Router Craft Interface Serial Number ID Label..............214

Locate the M40e and M160 Router Craft Interface Serial Number

ID Label ..........................................................................................214

Locate the M320 Router Craft Interface Serial Number ID Label............215

Locate the T320 Router and T640 Routing Node Craft Interface

Serial Number ID Label ...................................................................215

Returning the Craft Interface........................................................................215

Chapter 18

Monitoring Power Supplies 217

Understanding Power Supplies.....................................................................218

M5/M10 Router Power Supplies.............................................................219

M7i Router Power Supplies....................................................................220

M10i Router Power Supplies..................................................................221

M20 Router Power Supplies...................................................................222

M40 Router Power Supplies...................................................................223

M40e Router Power Supplies.................................................................224

M160 Router Power Supplies.................................................................226

M320 Router Power Supplies.................................................................227

T320 Router Power Supplies..................................................................228

T640 Routing Node Power Supplies.......................................................229

Checking the Power Supply Cables ..............................................................229

Checking the Power Supply Status ...............................................................230

Check the Power Supply Environmental Status .....................................230

Check the Power Supply LEDs ...............................................................232

Checking for Power Supply Alarms ..............................................................235

Display Current Power Supply Alarms ...................................................235

Display Power Supply Error Messages in the System Log File................238

Display Power Supply Error Messages in the Chassis Daemon

Log File ...........................................................................................238

Verifying Power Supply Failure ....................................................................239

Check the Power Supply Power Switch..................................................239

Check the Circuit Breaker ......................................................................239

Perform a Power Supply Swap Test.......................................................240

Check the Router Cooling System..........................................................240

Test the Power Supply ...........................................................................241

Getting Power Supply Hardware Information...............................................241

Display the Power Supply Hardware Information ..................................242

Locate the Power Supply Serial Number ID Label ..................................242

Replacing the Power Supplies ......................................................................250

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Chapter 19 Monitoring the Cooling System 251

Understanding the Cooling System ..............................................................252

M5 and M10 Router Cooling Systems ....................................................253

M7i Router Cooling System ...................................................................253

M10i Router Cooling System .................................................................254

M20 Router Cooling System ..................................................................255

M40 Router Cooling System ..................................................................256

M40e and M160 Router Cooling Systems ..............................................259

M320 Router Cooling System ................................................................261

T320 Router and T640 Routing Node Cooling Systems..........................263

Checking the Cooling System Status ............................................................267

Checking the Cooling System Alarms...........................................................269

Check the Alarm Indicators on the Craft Interface .................................270

Display Current Cooling System Alarms ................................................270

Display Cooling System Error Messages in the System Log File .............271

Maintaining the Air Filter .............................................................................272

Verifying a Fan Failure .................................................................................272

Verifying an Impeller Failure........................................................................273

Replacing a Cooling System Component......................................................273

Chapter 20 Maintaining the Cable Management System, Cables, and

Connectors 275

Understanding the Cable Management System, Cables, and Connectors .....276

M5 and M10 Router Cable Management System ...................................277

M10i Router Cable Management System ...............................................277

M20 Router Cable Management System ................................................278

M40 Router Cable Management System ................................................279

M40e and M160 Router Cable Management System .............................280

M320 Router Cable Management System ..............................................280

T320 Router and T640 Routing Node Cable Management System.........281

Maintaining the PIC Cables ..........................................................................281

Maintaining the PIC Fiber-Optic Cable .........................................................282

Cleaning the Transceivers ............................................................................282

Checking the PIC Port Status........................................................................283

Check the PIC or FPC LED Status...........................................................283

Display the PIC Media Type...................................................................284

Maintaining the Power Cables......................................................................285

Maintaining Routing Engine External Cables................................................285

Replacing the Cable Management System....................................................285

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JUNOS Internet Software Network Operations Guide: Hardware

Part 4 Monitoring M320 and T320 Router and T640 Routing

Node-Specific Components

Chapter 21 Monitoring the Host Subsystem 289

Understanding the Host Subsystem .............................................................290

M320 and T320 Router and T640 Routing Node Routing Engines .........291

M320 Router Routing Engine ..........................................................291

T320 Router and T640 Routing Node Routing Engine .....................291

M320 and T320 Router and T640 Routing Node Control Boards ...........292

M320 Router Control Board ............................................................292

T320 Router Control Board .............................................................292

T640 Routing Node Control Board ..................................................293

Host Subsystem Location.......................................................................294

Checking the Host Subsystem Status............................................................295

Checking the Routing Engine Status.............................................................297

Checking the Control Board Status ...............................................................298

Chapter 22

Monitoring the Control Board 301

Understanding the Control Board.................................................................303

M320 Router Control Board...................................................................303

T320 Router Control Board....................................................................304

T640 Routing Node Control Board.........................................................304

M320, T320 Router, and T640 Routing Node Control Board Location ...305

Monitoring the Control Board Status ............................................................306

Check the Control Board Environmental Status .....................................306

Check the Control Board Status from the Craft Interface .......................307

Checking the Control Board Alarms .............................................................308

Display Control Board Alarms................................................................308

Check the Control Board LEDs...............................................................309

Display Control Board Error Messages in the System Log File ...............309

Display Control Board Error Messages in the Chassis Daemon

Log File ...........................................................................................309

Verifying Control Board Failure ....................................................................310

Check the Control Board Connection.....................................................310

Check the Control Board Fuses..............................................................311

Perform a Control Board Swap Test.......................................................312

Display the Control Board Hardware Information..................................313

Locate the Control Board Serial Number ID Label..................................314

Returning the Control Board ........................................................................314

Chapter 23

Monitoring the SCGs 315

Understanding the SCG ................................................................................316

Monitoring the SCG Status............................................................................317

Monitor the SCG Environmental Status..................................................317

Display the SCG LED States at the Command Line ................................318

Look at the SCG LEDs on the Faceplate .................................................319

Determining SCG Mastership .......................................................................319

Display the SCG Master from the Craft Interface Output........................319

Look at the SCG LEDs on the Faceplate .................................................320

Displaying SCG Alarms.................................................................................320

Display Current SCG Alarms ..................................................................320

Display SCG Error Messages in the System Log File...............................321

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! xvii

Display SCG Error Messages in the Chassis Daemon Log File ................321

Verifying SCG Failure ...................................................................................322

Check the SCG Connection ....................................................................322

Perform an SCG Swap Test ....................................................................322

Getting SCG Hardware Information..............................................................323

Display the SCG Hardware Information .................................................323

Locate the SCG Serial Number ID Label .................................................324

Returning the SCG........................................................................................324

Chapter 24

Monitoring the SIBs 325

Understanding the SIBs................................................................................326

M320 Router SIBs..................................................................................329

T320 Router SIBs...................................................................................329

T640 Routing Node SIBs........................................................................329

Monitoring the SIB Status.............................................................................329

Display the SIB Summary Status............................................................330

Display the SIB LED Status at the Command Line..................................330

Check the SIB LED Status on the Faceplate............................................330

Display the SIB Environmental Status....................................................331

Displaying SIB Alarms..................................................................................332

Display Current SIB Alarms ...................................................................332

Display SIB Error Messages in the System Log File ................................333

Display SIB Error Messages in the Chassis Daemon Log File..................333

Verifying SIB Failure.....................................................................................334

Check the SIB Connection .....................................................................334

Check the SIB Fuses...............................................................................334

Perform an SIB Swap Test .....................................................................336

Getting SIB Hardware Information ...............................................................337

Display SIB Hardware Information ........................................................337

Locate the SIB Serial Number ID Label ..................................................338

Returning the SIB.........................................................................................338

Part 5 Monitoring M40e and M160 Internet Router-Specific

Components

Chapter 25 Monitoring the Host Module 341

Understanding the Host Module...................................................................341

Checking the Host Module Status .................................................................344

Checking the Routing Engine Status.............................................................345

Checking the MCS Status..............................................................................346

Chapter 26

Monitoring the SFMs 347

Understanding the SFMs ..............................................................................348

Monitoring the SFM Status ...........................................................................349

Display the SFM Summary Status ..........................................................349

Display the SFM LED Status at the Command Line ................................351

Check the SFM LED Status on the Faceplate ..........................................351

Display the SFM Environmental Status ..................................................351

Displaying SFM Alarms ................................................................................353

Display Current SFM Alarms..................................................................353

xviii ! Table of Contents

JUNOS Internet Software Network Operations Guide: Hardware

Display SFM Error Messages in the System Log File ..............................353

Display SFM Error Messages in the Chassis Daemon Log File ................354

Verifying SFM Failure...................................................................................355

Check the SFM Connection....................................................................355

Check the SFM Fuses.............................................................................355

Perform an SFM Swap Test....................................................................356

Getting SFM Hardware Information .............................................................357

Display SFM Hardware Information.......................................................357

Locate the SFM Serial Number ID Label.................................................357

Replacing the SFM .......................................................................................358

Chapter 27

Monitoring the MCS 359

Understanding the MCS ...............................................................................360

Checking the MCS Status..............................................................................362

Check the MCS Environmental Status....................................................362

Check the MCS Status from the Craft Interface ......................................363

Check the MCS LEDs .............................................................................364

Verifying MCS Failure...................................................................................365

Check the MCS Fuses.............................................................................365

Perform an MCS Swap Test ...................................................................366

Getting MCS Hardware Information .............................................................367

Display the MCS Hardware Information ................................................367

Locate the MCS Serial Number ID Label.................................................368

Returning the MCS .......................................................................................368

Chapter 28

Monitoring the PCG 369

Understanding the PCG................................................................................370

Monitoring the PCG Status ...........................................................................371

Monitor the PCG Environmental Status..................................................371

Display the PCG LED States at the Command Line ................................372

Look at the PCG LEDs on the Faceplate .................................................373

Determining PCG Mastership .......................................................................373

Display the PCG Master in the Craft Interface Output ............................373

Look at the PCG LEDs on the Faceplate .................................................374

Display the Packet Forwarding Engine Current Clock Source.................374

Displaying PCG Alarms ................................................................................375

Display Current PCG Alarms..................................................................375

Display PCG Error Messages in the System Log File...............................375

Display PCG Error Messages in the Chassis Daemon Log File ................375

Verifying PCG Failure ...................................................................................376

Check the PCG Connection....................................................................376

Check the PCG Fuses .............................................................................377

Perform a PCG Swap Test......................................................................378

Getting PCG Hardware Information..............................................................378

Display the PCG Hardware Information.................................................379

Locate the PCG Serial Number ID Label.................................................379

Replacing the PCG........................................................................................379

Table of Contents

! xix

Chapter 29 Monitoring the CIP 381

Understanding the CIP .................................................................................382

Monitoring the CIP Status.............................................................................384

Checking for CIP Alarms ..............................................................................385

Display Current CIP Alarms ...................................................................385

Display CIP Error Messages in the System Log File................................385

Display CIP Error Messages in the Chassis Daemon Log File .................386

Verifying CIP Failure ....................................................................................386

Check the CIP Connection .....................................................................386

Check the Ethernet Port Functionality ...................................................386

Performing a CIP Swap Test ..................................................................387

Getting CIP Hardware Information...............................................................388

Display CIP Hardware Information ........................................................388

Locating the CIP Serial Number ID Label ...............................................389

Replacing the CIP.........................................................................................389

Part 6 Monitoring M40 Internet Router-Specific Components

Chapter 30 Monitoring the SCB 393

Understanding the SCB ................................................................................394

Monitoring the SCB Status............................................................................395

Display the SCB Environmental Status...................................................396

Display the SCB Detailed Status.............................................................396

Check the SCB LED Status .....................................................................397

Checking for SCB Alarms .............................................................................398

Display SCB Error Messages in the System Log File...............................398

Display SCB Error Messages in the Chassis Daemon Log File ................399

Verifying SCB Failure ...................................................................................400

Check the SCB Connection ....................................................................400

Perform an SCB Swap Test ....................................................................400

Getting SCB Hardware Information ..............................................................401

Display the SCB Hardware Information .................................................401

Locate the SCB Serial Number ID Label .................................................402

Display the SCB Firmware Version ........................................................402

Returning the SCB........................................................................................402

xx ! Table of Contents

JUNOS Internet Software Network Operations Guide: Hardware

Part 7 Monitoring M20 Internet Router-Specific Components

Chapter 31 Monitoring the SSB 405

Understanding the SSB.................................................................................406

Monitoring the SSB Status ............................................................................408

Display the SSB Environmental Status ...................................................408

Display the SSB Detailed Status .............................................................409

Check the SSB LEDs...............................................................................409

Checking for SSB Alarms..............................................................................410

Display SSB Error Messages in the System Log File ...............................410

Display SSB Error Messages in the Chassis Daemon Log File.................411

Verifying SSB Failure....................................................................................411

Check the SSB Connection.....................................................................411

Perform a Swap Test on the SSB............................................................412

Getting SSB Hardware Information ..............................................................413

Display the SSB Hardware Information..................................................413

Locate the SSB Serial Number ID Label..................................................413

Display the SSB Firmware Version.........................................................414

Replacing the SSB ........................................................................................414

Part 8 Monitoring M7i and M10i Router-Specific Components

Chapter 32 Monitoring the CFEBs 417

Understanding the CFEB ..............................................................................419

Monitoring the CFEB Status..........................................................................421

Display the CFEB Environmental Status.................................................422

Display the CFEB Detailed Status...........................................................422

Check CFEB LEDs..................................................................................423

Checking for CFEB Alarms ...........................................................................423

Display CFEB Alarms.............................................................................423

Check the CFEB LEDs ............................................................................424

Display CFEB Error Messages in the System Log File.............................424

Display CFEB Error Messages in the Chassis Daemon Log File ..............425

Verifying CFEB Failure .................................................................................426

Check the CFEB Uptime.........................................................................426

Check the System Uptime .....................................................................427

Check the CFEB Connection ..................................................................427

Perform a Swap Test on the CFEB .........................................................427

Perform a Swap Test on the CFEB .........................................................428

Getting CFEB Hardware Information............................................................429

Display the CFEB Hardware Information ...............................................429

Display the CFEB Firmware Information ...............................................430

Locate the CFEB Serial Number ID Label ...............................................430

Returning the CFEB......................................................................................430

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