Juniper QFX5110 Manuale dell'operatore

Virtual Chassis Fabric Hardware

Documentation

Published

2020-11-06

Juniper Networks, Inc.

1133 Innovation Way

Sunnyvale, California 94089

USA

408-745-2000

www.juniper.net

Juniper Networks, the Juniper Networks logo, Juniper, and Junos are registered trademarks of Juniper Networks, Inc. in

the United States and other countries. All other trademarks, service marks, registered marks, or registered service marks

are the property of their respective owners.

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.

Virtual Chassis Fabric Hardware Documentation

The information in this document is current as of the date on the title page.

YEAR 2000 NOTICE

Juniper Networks hardware and software products are Year 2000 compliant. Junos OS has no known time-related

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

END USER LICENSE AGREEMENT

The Juniper Networks product that is the subject of this technical documentation consists of (or is intended for use with)

Juniper Networks software. Use of such software is subject to the terms and conditions of the End User License Agreement

(“EULA”) posted at https://support.juniper.net/support/eula/. By downloading, installing or using such software, you

agree to the terms and conditions of that EULA.

Table of Contents

About the Documentation | xviii

Documentation and Release Notes | xviii

Using the Examples in This Manual | xviii

Merging a Full Example | xix

Merging a Snippet | xx

Documentation Conventions | xx

Documentation Feedback | xxiii

Requesting Technical Support | xxiii

Self-Help Online Tools and Resources | xxiv

Creating a Service Request with JTAC | xxiv

Overview

Virtual Chassis Fabric Overview | 2

Understanding Virtual Chassis Fabric Configuration | 4

Virtual Chassis Fabric Setup | 5

Autoprovisioned Virtual Chassis Fabric Configuration | 5

Preprovisioned Virtual Chassis Fabric Configuration | 6

Nonprovisioned Virtual Chassis Fabric Configuration | 6

Configuration File Management in a VCF | 7

Logging into a Virtual Chassis Fabric | 7

Understanding Interface Numbering | 7

Virtual Chassis Fabric Hardware Overview | 8

QFX5110 Overview | 10

QFX5110 Hardware Overview | 10

Benefits of QFX5110 | 10

QFX5110 Models Overview | 11

QFX5110-48S Hardware | 13

QFX5110-32Q Hardware | 14

iii

System Software | 14

QFX5110-48S Port Panel | 15

Switch Overview | 15

Network Ports | 16

Channelizing Interfaces | 17

Virtual Chassis and Virtual Chassis Fabric | 17

QFX5110-32Q Port Panel | 18

Switch Overview | 18

Network Ports | 19

Channelizing Interfaces | 20

Virtual Chassis and Virtual Chassis Fabric | 21

QFX5100 Overview | 22

QFX5100 Device Hardware Overview | 22

QFX5100 Hardware | 22

System Software | 31

Port Panel of a QFX5100-24Q Device | 32

Switch Ports | 32

QFabric Systems | 33

Channelizing Interfaces (Non-QFabric) | 33

Virtual Chassis and Virtual Chassis Fabric | 34

Port LEDs | 35

Port Panel of QFX5100-48S and QFX5100-48SH Devices | 36

Port Panel of QFX5100-48T and QFX5100-48TH Devices | 39

Port Panel of a QFX5100-96S Device | 41

Switch Ports | 42

Channelizing Interfaces | 42

Virtual Chassis and Virtual Chassis Fabric Support | 43

QFX3600 Overview | 45

QFX3600 Device Overview | 45

Software | 46

Hardware | 46

Front Panel of a QFX3600 Device | 48

QFX3500 Overview | 51

QFX3500 Device Overview | 51

Software | 52

Hardware | 52

SFP+ Access Ports | 53

QSFP+ Uplink Ports | 54

Front Panel of a QFX3500 Device | 56

EX4300 Overview | 58

EX4300 Switches Hardware Overview | 58

Benefits of the EX4300 Switch | 59

Software | 59

EX4300 Switches First View | 59

24-Port EX4300 Switches | 60

32-Port EX4300 Switches | 62

48-Port EX4300 Switches | 64

Uplink Modules | 75

Virtual Chassis | 78

Power Supplies | 79

Fan Modules | 80

EX4300 Switch Components | 81

Planning

Site Preparation | 87

Plan a Virtual Chassis Fabric Deployment | 87

QFX5110 Site Preparation Checklist | 90

Site Preparation Checklist for a QFX5100 Device | 92

Site Preparation Checklist for a QFX3600 or QFX3600-I Device | 93

Site Preparation Checklist for a QFX3500 Device | 95

Site Preparation Checklist for EX4300 Switches | 97

QFX5110 Environmental Requirements and Specifications | 98

Environmental Requirements and Specifications for a QFX5100 Device | 99

Environmental Requirements and Specifications for QFX3600 and QFX3600-I Devices | 101

Environmental Requirements and Specifications for a QFX3500 Device | 102

Environmental Requirements and Specifications for EX Series Switches | 103

Rack and Cabinet Requirements | 109

QFX5110 Rack Requirements | 109

Rack Requirements for a QFX5100 Device | 111

Rack Requirements for a QFX3600 or QFX3600-I Device | 112

Rack Requirements for a QFX3500 Device | 114

Rack Requirements | 115

Cabinet Requirements for a QFX5100 Device | 117

Cabinet Requirements for a QFX3600 or QFX3600-I Device | 118

Cabinet Requirements for a QFX3500 Device | 119

Cabinet Requirements | 120

QFX5110 Clearance Requirements for Airflow and Hardware Maintenance | 121

Clearance Requirements for Airflow and Hardware Maintenance for a QFX5100 Device | 122

Clearance Requirements for Airflow and Hardware Maintenance for a QFX3600 or QFX3600-I

Device | 123

Clearance Requirements for Airflow and Hardware Maintenance for a QFX3500 Device | 125

Clearance Requirements for Airflow and Hardware Maintenance for EX4300 Switches | 126

Port and Interface Specifications | 130

Console Port Connector Pinout Information | 130

Console Port Connector Pinouts for the QFX Series | 131

Management Port Connector Pinouts for the QFX Series | 132

Mini-USB Port Pinout Specifications | 133

USB Port Specifications for an EX Series Switch | 133

USB Port Specifications for the QFX Series | 134

Transceiver and Cable Specifications | 136

Determining Transceiver Support for the QFX5110 | 136

Determining Interface Support for the QFX5100 Device | 137

Determining Interface Support for the QFX3600 Device | 140

Determining Interface Support for the QFX3500 Device | 141

Pluggable Transceivers Supported on EX4300 Switches | 143

Cable Specifications for QSFP+ and QSFP28 Transceivers | 144

Cable Specifications for Console and Management Connections for the QFX Series | 146

Calculating the Fiber-Optic Cable Power Budget for QFX Series Switches | 147

Calculating the Fiber-Optic Cable Power Margin for QFX Series Switches | 147

Management Cable Specifications | 149

Understanding EX Series Switches Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion | 150

Signal Loss in Multimode and Single-Mode Fiber-Optic Cable | 150

Attenuation and Dispersion in Fiber-Optic Cable | 150

Understanding QFX Series Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion | 151

Signal Loss in Multimode and Single-Mode Fiber-Optic Cables | 151

Attenuation and Dispersion in Fiber-Optic Cable | 152

Planning QFX5100 Power Requirements | 153

AC Power Specifications for a QFX5100 Device | 153

AC Power Cord Specifications for a QFX Series Device | 154

DC Power Specifications for a QFX5100 Device | 156

Planning QFX5110 Power Requirements | 158

QFX5110 AC Power Specifications | 158

AC Power Cord Specifications for a QFX Series Device | 159

QFX5110 DC Power Specifications | 161

Planning QFX3600 Power Requirements | 162

AC Power Specifications for a QFX3600 or QFX3600-I Device | 162

AC Power Cord Specifications for a QFX Series Device | 163

DC Power Specifications for a QFX3600 or QFX3600-I Device | 165

Planning QFX3500 Power Requirements | 166

AC Power Specifications for a QFX3500 Device | 166

AC Power Cord Specifications for a QFX Series Device | 167

DC Power Specifications for a QFX3500 Device | 169

Planning EX4300 Power Requirements | 170

AC Power Supply in EX4300 Switches | 170

Characteristics of an AC Power Supply | 171

AC Power Supply Airflow | 173

vii

N+0 Redundancy Configuration of AC Power Supplies | 174

N+N Redundancy Configuration of AC Power Supplies | 177

AC Power Cord Specifications for an EX4300 Switch | 180

DC Power Supply in EX4300 Switches | 184

Characteristics of a DC Power Supply | 185

DC Power Supply Airflow | 186

N+0 Redundancy Configuration of DC Power Supplies | 187

N+N Redundancy Configuration of DC Power Supplies | 188

Compliance | 190

Agency Approvals for EX Series Switches | 190

Agency Approvals for the QFX Series | 191

Compliance Statements for EMC Requirements for EX Series Switches | 192

Canada | 193

Taiwan | 193

European Community | 194

Israel | 194

Japan | 194

Korea | 195

United States | 195

FCC Part 15 Statement | 195

Nonregulatory Environmental Standards | 196

Compliance Statements for EMC Requirements for the QFX Series | 197

Canada | 197

European Community | 198

Israel | 198

Japan | 198

Korea | 199

Taiwan | 199

United States | 199

Nonregulatory Environmental Standards | 199

Compliance Statements for Acoustic Noise for EX Series Switches | 200

viii

Safety

General Safety Information | 203

General Safety Guidelines and Warnings | 203

Definitions of Safety Warning Levels | 204

Fire Safety Requirements | 207

Fire Suppression | 207

Fire Suppression Equipment | 207

Qualified Personnel Warning | 208

Warning Statement for Norway and Sweden | 209

Radiation and Laser Warnings | 210

Radiation from Open Port Apertures Warning | 211

Laser and LED Safety Guidelines and Warnings for the QFX Series | 212

Class 1M Laser Product Warning | 212

Class 1M Laser Radiation Warning | 213

Unterminated Fiber-Optic Cable Warning | 214

Installation and Maintenance Safety Information | 217

Installation Instructions Warning | 218

QFX5100 Installation Safety Guidelines | 218

Chassis Lifting Guidelines for a QFX3600 or QFX3600-I Device | 219

Chassis Lifting Guidelines for a QFX3500 Device | 220

Chassis Lifting Guidelines for EX4300 Switches | 220

Restricted Access Warning | 222

Ramp Warning | 224

Rack-Mounting and Cabinet-Mounting Warnings | 224

Grounded Equipment Warning | 230

Maintenance and Operational Safety Guidelines and Warnings | 230

Battery Handling Warning | 232

Jewelry Removal Warning | 233

Lightning Activity Warning | 235

Operating Temperature Warning | 236

Product Disposal Warning | 238

Wall-Mounting Warning for EX4300 Switches | 239

Power and Electrical Safety Information | 240

General Electrical Safety Guidelines and Warnings | 240

Prevention of Electrostatic Discharge Damage | 242

Action to Take After an Electrical Accident | 243

AC Power Electrical Safety Guidelines | 244

AC Power Disconnection Warning | 245

DC Power Electrical Safety Guidelines | 245

DC Power Disconnection Warning | 247

DC Power Grounding Requirements and Warning | 249

DC Power Wiring Sequence Warning | 251

DC Power Wiring Terminations Warning | 254

Multiple Power Supplies Disconnection Warning | 257

TN Power Warning | 258

Installation

Before You Begin | 260

Virtual Chassis Fabric Installation Overview | 260

Installing a QFX5110 Switch | 262

Standalone Installation Overview | 262

Unpacking a QFX5110 | 263

Mounting a QFX5110 in a Rack | 264

Before You Begin Rack Installation | 265

Connect the QFX5110 to Earth Ground | 267

Connecting AC Power to a QFX5110 | 268

Connecting DC Power to a QFX5110 | 271

Installing a QFX5100 Switch | 276

QFX5100 Standalone Installation Overview | 276

Unpack a QFX5100 Device | 277

Mount a QFX5100 Device in a Rack or Cabinet | 279

Before You Begin Rack Installation | 279

Four-Post Procedure | 281

Connecting Earth Ground to a QFX5100 Device | 284

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