Juniper QFX5110 Manuale utente

QFX5110 Switch Hardware Guide

Modified: 2017-08-28

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. and/or its affiliates in

the United States and other countries. All other trademarks may be 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.

QFX5110 Switch Hardware Guide

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

http://www.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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv

Documentation and Release Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv

Supported Platforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv

Documentation Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv

Documentation Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii

Requesting Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xviii

Self-Help Online Tools and Resources . . . . . . . . . . . . . . . . . . . . . . . . . . xviii

Opening a Case with JTAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xviii

Part 1 Overview

Chapter 1 System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

QFX5110 Hardware Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

QFX5110 Models Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

QFX5110-48S Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

QFX5110-32Q Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

System Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

QFX5110 Hardware Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Understanding Hardware Redundancy of QFX5110 Components and

Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

QFX5110 Chassis Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

QFX5110-48S Port Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Switch Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Switch Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Channelizing Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Virtual Chassis and Virtual Chassis Fabric . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

QFX5110-32Q Port Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Switch Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Switch Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Channelizing Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Virtual Chassis and Virtual Chassis Fabric . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

QFX5110 Field-Replaceable Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

QFX5110 Access Port and Uplink Port LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

QFX5110 Management Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

QFX5110 Management Port LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

QFX5110 Chassis Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Chapter 3 Cooling System and Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

QFX5110 Cooling System and Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Fan Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Do Not Install Components with Different Airflow or Wattage in the

Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

QFX5110 Fan Module LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Chapter 4 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

QFX5110 AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

QFX5110 DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

QFX5110 AC Power Supply LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

QFX5110 DC Power Supply LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Part 2 Site Planning, Preparation, and Specifications

Chapter 5 Preparation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

QFX5110 Site Preparation Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

QFX5110 Environmental Requirements and Specifications . . . . . . . . . . . . . . . . . . 44

General Site Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Site Electrical Wiring Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Virtual Chassis Fabric Hardware Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Planning a Virtual Chassis Deployment using QFX Devices . . . . . . . . . . . . . . . . . . 48

Valid Configurations for a QFX Virtual Chassis . . . . . . . . . . . . . . . . . . . . . . . . 48

Valid Configurations for a QFX5110 Virtual Chassis . . . . . . . . . . . . . . . . . . . . . 49

VC Deployment Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Planning a Virtual Chassis Fabric Deployment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

QFX5110 Rack Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

QFX5110 Clearance Requirements for Airflow and Hardware Maintenance . . . . . 55

Chapter 6 Power Specifications and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

QFX5110 AC Power Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

QFX5110 AC Power Cord Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

QFX5110 DC Power Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Chapter 7 Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Determining Transceiver Support for the QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . 61

Cable Specifications for QSFP+ and QSFP28 Transceivers . . . . . . . . . . . . . . . . . . 62

Cable Specifications for Console and Management Connections for the QFX

Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

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

Dispersion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Signal Loss in Multimode and Single-Mode Fiber-Optic Cables . . . . . . . . . . 64

Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 65

Calculating the Fiber-Optic Cable Power Budget for a QFX Series Device . . . . . . 66

Calculating the Fiber-Optic Cable Power Margin for a QFX Series Device . . . . . . 66

Chapter 8 Pinout Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

USB Port Specifications for the QFX Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Console Port Connector Pinout Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

RJ-45 Management Port Connector Pinout Information . . . . . . . . . . . . . . . . . . . . . 71

QFX5110 Switch Hardware Guide

Part 3 Initial Installation and Configuration

Chapter 9 Unpacking and Mounting the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Installing and Connecting a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Unpacking a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Mounting a QFX5110 in a Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Before You Begin Rack Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

Virtual Chassis Fabric Installation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

Chapter 10 Connecting the Switch to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Connecting Earth Ground to a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

Connecting AC Power to a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

Connecting DC Power to a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Chapter 11 Connecting the Switch to the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Connecting a Device to a Network for Out-of-Band Management . . . . . . . . . . . . 93

Connecting a Device to a Management Console by Using an RJ-45

Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

Connecting QFX5110 and QFX5100 Members in a QFX5110 Virtual Chassis . . . . . 95

Connecting a QFX5110 Device in a QFX5110 Virtual Chassis Fabric . . . . . . . . . . . . 96

Chapter 12 Performing Initial Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

Configuring a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

Part 4 Installing, Maintaining, and Replacing Components

Chapter 13 Replacing Cooling System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

Installing a Fan Module in a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

Removing a Fan Module from a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

Chapter 14 Replacing Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

Installing a Power Supply in a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

Removing a Power Supply from a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

Chapter 15 Replacing Transceivers and Fiber-Optic Cables . . . . . . . . . . . . . . . . . . . . . . . 113

Installing a Transceiver in a QFX Series Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113

Removing a Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116

Connecting a Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

Disconnecting a Fiber-Optic Cable from a Device . . . . . . . . . . . . . . . . . . . . . . . . . 120

Maintaining Fiber-Optic Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121

Chapter 16 Removing the Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123

Installing and Removing QFX5110 Hardware Components . . . . . . . . . . . . . . . . . . 123

Powering Off a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124

Removing a QFX5110 from a Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126

Table of Contents

Chapter 17 Contacting Customer Support and Returning the Chassis or

Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129

Returning a QFX5110 or Component for Repair or Replacement . . . . . . . . . . . . . 129

Locating the Serial Number on a QFX5110 Device or Component . . . . . . . . . . . . 130

Listing the Chassis and Component Details Using the CLI . . . . . . . . . . . . . . 130

Locating the Chassis Serial Number ID Label on a QFX5110 . . . . . . . . . . . . . 131

Locating the Serial Number ID Labels on FRU Components . . . . . . . . . . . . . 131

Contacting Customer Support to Obtain Return Material Authorization . . . . . . . 132

Packing an QFX5110 Device or Component for Shipping . . . . . . . . . . . . . . . . . . . 133

Packing a QFX5110 Switch for Shipping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134

Packing QFX5110 Components for Shipping . . . . . . . . . . . . . . . . . . . . . . . . . 134

Part 5 Troubleshooting

Chapter 18 Restoring Junos OS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

Creating an Emergency Boot Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

Performing a Recovery Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

Chapter 19 Alarm Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145

Understanding Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145

Interface Alarm Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146

Chassis Alarm Messages on QFX5100, QFX5110, and QFX5200 Switches . . . . . 147

Part 6 Safety and Compliance Information

Chapter 20 General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153

General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153

Definitions of Safety Warning Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154

Qualified Personnel Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156

Warning Statement for Norway and Sweden . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157

Chapter 21 Fire Safety Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159

Fire Safety Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159

Chapter 22 Installation Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . 161

Installation Instructions Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161

QFX5110 Chassis Lifting Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162

Restricted Access Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162

Ramp Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164

Rack-Mounting and Cabinet-Mounting Warnings . . . . . . . . . . . . . . . . . . . . . . . . 164

Grounded Equipment Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168

Chapter 23 Radiation and Laser Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . 171

Radiation from Open Port Apertures Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171

Laser and LED Safety Guidelines and Warnings for the QFX Series . . . . . . . . . . . 172

Class 1M Laser Product Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172

Class 1M Laser Radiation Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173

Unterminated Fiber-Optic Cable Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . 173

QFX5110 Switch Hardware Guide

Chapter 24 Maintenance and Operational Safety Warnings . . . . . . . . . . . . . . . . . . . . . . 175

Maintenance and Operational Safety Guidelines and Warnings . . . . . . . . . . . . . 175

Battery Handling Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175

Jewelry Removal Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176

Lightning Activity Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177

Operating Temperature Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178

Product Disposal Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179

Chapter 25 Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . 181

General Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . 181

Prevention of Electrostatic Discharge Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . 182

Action to Take After an Electrical Accident . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184

AC Power Electrical Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184

AC Power Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185

DC Power Electrical Safety Guidelines for Switches . . . . . . . . . . . . . . . . . . . . . . . 186

DC Power Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189

DC Power Grounding Requirements and Warning . . . . . . . . . . . . . . . . . . . . . . . . 190

DC Power Wiring Sequence Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191

DC Power Wiring Terminations Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193

Multiple Power Supplies Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . 194

TN Power Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194

Chapter 26 Agency Approvals and Compliance Statements . . . . . . . . . . . . . . . . . . . . . . 197

Agency Approvals for the QFX Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197

Compliance Statements for EMC Requirements for the QFX Series . . . . . . . . . . 198

Canada . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198

European Community . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199

Israel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199

Japan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199

Korea . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199

United States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200

Nonregulatory Environmental Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . 200

Table of Contents

QFX5110 Switch Hardware Guide

List of Figures

Part 1 Overview

Chapter 1 System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Figure 1: QFX5110-48S Port Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Figure 2: QFX5110-32Q Port Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Figure 3: QFX5110-48S Port Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Figure 4: QFX5110-32Q Port Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 5: QFX5110 Switch, FRU End . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 6: Management Panel Components on QFX5110 . . . . . . . . . . . . . . . . . . . . . 19

Figure 7: Management Port LEDs on a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Figure 8: Chassis Status LEDs on a QFX5110 Switch . . . . . . . . . . . . . . . . . . . . . . . . 21

Chapter 3 Cooling System and Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Figure 9: QFX5110 Fan Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Figure 10: Air In Airflow Through the QFX5110-48S . . . . . . . . . . . . . . . . . . . . . . . . . 27

Figure 11: Air Out Airflow Through the QFX5110-48S . . . . . . . . . . . . . . . . . . . . . . . 28

Figure 12: Air In Airflow Through the QFX5110-32Q . . . . . . . . . . . . . . . . . . . . . . . . . 28

Figure 13: Air Out Airflow Through the QFX5110-32Q . . . . . . . . . . . . . . . . . . . . . . . 29

Figure 14: Fan Module LED in a QFX5110 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Chapter 4 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Figure 15: AC Power Supply in QFX5110 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Figure 16: Power Supply Handle Detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Figure 17: DC Power Supply for the QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Figure 18: DC Power Supply Faceplate on a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . 36

Figure 19: AC Power Supply LEDs on a QFX5110 Switch . . . . . . . . . . . . . . . . . . . . . 37

Figure 20: DC Power Supply Faceplate on a QFX5110 Switch . . . . . . . . . . . . . . . . 38

Part 2 Site Planning, Preparation, and Specifications

Chapter 5 Preparation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Figure 21: Clearance Requirements for Airflow and Hardware Maintenance for

a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Part 3 Initial Installation and Configuration

Chapter 9 Unpacking and Mounting the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Figure 22: Attaching Mounting Rails to the QFX5110-48S . . . . . . . . . . . . . . . . . . . 79

Figure 23: Attaching Mounting Rails to the QFX5110-32Q . . . . . . . . . . . . . . . . . . . 79

Figure 24: Attaching a QFX5110-48S to a Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Figure 25: Attaching a QFX5110-32Q to a Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

Figure 26: Sliding the Mounting Blade into a Mounting Rail . . . . . . . . . . . . . . . . . 80

Chapter 10 Connecting the Switch to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Figure 27: Connecting a Grounding Cable to a QFX5110 . . . . . . . . . . . . . . . . . . . . . 85

Figure 28: Connecting an AC Power Cord to an AC Power Supply in a

QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Figure 29: DC Power Supply Faceplate for a QFX5110 . . . . . . . . . . . . . . . . . . . . . . 90

Figure 30: Securing Ring Lugs to the Terminals on the QFX5110 DC Power

Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Chapter 11 Connecting the Switch to the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Figure 31: RJ-45 Connector on an Ethernet Cable . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Figure 32: Connecting a Device to a Network for Out-of-Band Management . . . . 94

Figure 33: RJ-45 Connector on an Ethernet Cable . . . . . . . . . . . . . . . . . . . . . . . . . 94

Figure 34: Connecting a Device to a Management Console Through a Console

Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

Figure 35: Connecting a Device Directly to a Management Console . . . . . . . . . . . 95

Figure 36: QFX5110 Virtual Chassis with all QFX5110 Members . . . . . . . . . . . . . . . 96

Figure 37: QFX5110 Virtual Chassis with QFX5110 and QFX5100 Members . . . . . 96

Figure 38: All QFX5110 VCF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Figure 39: QFX5110 VCF with QFX5100-24Q Leaf Devices . . . . . . . . . . . . . . . . . . 98

Part 4 Installing, Maintaining, and Replacing Components

Chapter 13 Replacing Cooling System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

Figure 40: Installing a Fan Module in a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . 106

Figure 41: Removing a Fan Module from a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . 107

Chapter 14 Replacing Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

Figure 42: Installing a Power Supply in a QFX5110-32Q with EMI Gasket . . . . . . . 110

Figure 43: Installing a Power Supply in a QFX5110-48S . . . . . . . . . . . . . . . . . . . . . 110

Figure 44: Removing a Power Supply from a QFX5110 . . . . . . . . . . . . . . . . . . . . . . 112

Chapter 15 Replacing Transceivers and Fiber-Optic Cables . . . . . . . . . . . . . . . . . . . . . . . 113

Figure 45: Installing an SFP Transceiver in the QFX Series . . . . . . . . . . . . . . . . . . 114

Figure 46: Installing a QSFP+ Transceiver in the QFX Series—Vertical

Orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

Figure 47: Installing a QSFP+ Transceiver in the QFX Series—Horizontal

Orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

Figure 48: Installing a QSFP+ Transceiver in a QFX5100-48T . . . . . . . . . . . . . . . . 115

Figure 49: Installing a QSFP28 Transceiver in a QFX10002 . . . . . . . . . . . . . . . . . . 115

Figure 50: Removing an SFP, SFP+, XFP, or a QSFP+ Transceiver . . . . . . . . . . . . 118

Figure 51: Connecting a Fiber-Optic Cable to an Optical Transceiver Installed in

a Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

Chapter 17 Contacting Customer Support and Returning the Chassis or

Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129

Figure 52: Location of the Serial Number ID Label on a QFX5110 . . . . . . . . . . . . . 131

Figure 53: Location of the AC Power Supply Serial Number ID Label on a

QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132

QFX5110 Switch Hardware Guide

Figure 54: Location of the Fan Module Serial Number ID Label on a

QFX5110-48S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132

Part 6 Safety and Compliance Information

Chapter 25 Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . 181

Figure 55: Placing a Component into an Antistatic Bag . . . . . . . . . . . . . . . . . . . . 183

List of Figures

QFX5110 Switch Hardware Guide

List of Tables

About the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv

Table 1: Notice Icons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvi

Table 2: Text and Syntax Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvi

Part 1 Overview

Chapter 1 System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Table 3: QFX5110 Hardware-only Product Numbers . . . . . . . . . . . . . . . . . . . . . . . . . 7

Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Table 4: Physical Specifications for the QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Table 5: Default Behavior of 100 Gigabit Ethernet Ports . . . . . . . . . . . . . . . . . . . . . 14

Table 6: FRUs in a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Table 7: QFX5110-48 Access Port and Uplink LED Locations . . . . . . . . . . . . . . . . . 17

Table 8: QFX5110-32Q Access Port and Uplink LED Locations . . . . . . . . . . . . . . . . 17

Table 9: Network Port LEDs on QSFP28 Ports on a QFX5110 . . . . . . . . . . . . . . . . . 17

Table 10: Management Port LEDs on a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Table 11: Chassis Status LEDs on a QFX5110 Switch . . . . . . . . . . . . . . . . . . . . . . . . 22

Chapter 3 Cooling System and Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Table 12: Fan Modules in the QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Table 13: Fan Tray LED in a QFX5110 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Chapter 4 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Table 14: Airflow Direction in QFX5110 AC Power Supplies . . . . . . . . . . . . . . . . . . . 35

Table 15: Airflow Direction in QFX5110 DC Power Supplies . . . . . . . . . . . . . . . . . . 36

Table 16: AC Power Supply LEDs on a QFX5110 Switch . . . . . . . . . . . . . . . . . . . . . 37

Table 17: DC Power Supply LEDs on a QFX5110 Switch . . . . . . . . . . . . . . . . . . . . . 38

Part 2 Site Planning, Preparation, and Specifications

Chapter 5 Preparation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Table 18: Site Preparation Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Table 19: QFX5110 Environmental Tolerances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Table 20: Site Electrical Wiring Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Table 21: Deployment Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Table 22: Deployment Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Table 23: Rack Requirements for the QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Chapter 6 Power Specifications and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Table 24: AC Power Specifications for QFX5110 Models . . . . . . . . . . . . . . . . . . . . . 57

Table 25: AC Power Cord Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Table 26: DC Power Specifications for QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Chapter 7 Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Table 27: QSFP+ and QSFP28 Optical Module Receptacle Pinouts . . . . . . . . . . . 62

Table 28: QSFP+ MPO Fiber-Optic Crossover Cable Pinouts . . . . . . . . . . . . . . . . 63

Table 29: Cable Specifications for Console and Management Connections for

the QFX Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Table 30: Estimated Values for Factors Causing Link Loss . . . . . . . . . . . . . . . . . . . 67

Chapter 8 Pinout Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Table 31: Console Port Connector Pinout Information . . . . . . . . . . . . . . . . . . . . . . 70

Table 32: RJ-45 Management Port Connector Pinout Information . . . . . . . . . . . . . 71

Part 3 Initial Installation and Configuration

Chapter 9 Unpacking and Mounting the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Table 33: Inventory of Components Supplied with a QFX5110 . . . . . . . . . . . . . . . . 76

Part 5 Troubleshooting

Chapter 19 Alarm Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145

Table 34: Alarm Terms and Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145

Table 35: Chassis Alarm Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147

QFX5110 Switch Hardware Guide

About the Documentation

•

Documentation and Release Notes on page xv

•

Supported Platforms on page xv

•

Documentation Conventions on page xv

•

Documentation Feedback on page xvii

•

Requesting Technical Support on page xviii

Documentation and Release Notes

To obtain the most current version of all Juniper Networks

®

technical documentation,

see the product documentation page on the Juniper Networks website at

http://www.juniper.net/techpubs/.

If the information in the latest release notes differs from the information in the

documentation, follow the product Release Notes.

Juniper Networks Books publishes books by Juniper Networks engineers and subject

matter experts. These books go beyond the technical documentation to explore the

nuances of network architecture, deployment, and administration. The current list can

be viewed at http://www.juniper.net/books.

Supported Platforms

For the features described in this document, the following platforms are supported:

•

QFX5110

Documentation Conventions

Table 1 on page xvi defines notice icons used in this guide.

Table 1: Notice Icons

DescriptionMeaningIcon

Indicates important features or instructions.Informational note

Indicates a situation that might result in loss of data or hardware damage.Caution

Alerts you to the risk of personal injury or death.Warning

Alerts you to the risk of personal injury from a laser.Laser warning

Indicates helpful information.Tip

Alerts you to a recommended use or implementation.Best practice

Table 2 on page xvi defines the text and syntax conventions used in this guide.

Table 2: Text and Syntax Conventions

ExamplesDescriptionConvention

To enter configuration mode, type the

configure command:

user@host> configure

Represents text that you type.Bold text like this

user@host> show chassis alarms

No alarms currently active

Represents output that appears on the

terminal screen.

Fixed-width text like this

•

A policy term is a named structure

that defines match conditions and

actions.

•

Junos OS CLI User Guide

•

RFC 1997, BGP Communities Attribute

•

Introduces or emphasizes important

new terms.

•

Identifies guide names.

•

Identifies RFC and Internet draft titles.

Italic text like this

Configure the machine’s domain name:

[edit]

root@# set system domain-name

domain-name

Represents variables (options for which

you substitute a value) in commands or

configuration statements.

Italic text like this

QFX5110 Switch Hardware Guide

Table 2: Text and Syntax Conventions (continued)

ExamplesDescriptionConvention

•

To configure a stub area, include the

stub statement at the [edit protocols

ospf area area-id] hierarchy level.

•

The console portis labeledCONSOLE.

Represents names of configuration

statements, commands, files, and

directories; configuration hierarchy levels;

or labels on routing platform

components.

Text like this

stub <default-metric metric>;Encloses optional keywords or variables.< > (angle brackets)

broadcast | multicast

(string1 | string2 | string3)

Indicates a choice between the mutually

exclusive keywords or variables on either

side of the symbol. The set of choices is

often enclosed in parentheses for clarity.

| (pipe symbol)

rsvp { # Required for dynamic MPLS onlyIndicates a comment specified on the

same line as the configuration statement

to which it applies.

# (pound sign)

community name members [

community-ids ]

Encloses a variable for which you can

substitute one or more values.

[ ] (square brackets)

[edit]

routing-options {

static {

route default {

nexthop address;

retain;

}

Identifies a level in the configuration

hierarchy.

Indention and braces ( { } )

Identifies a leaf statement at a

configuration hierarchy level.

; (semicolon)

GUI Conventions

•

In the Logical Interfaces box, select

All Interfaces.

•

To cancel the configuration, click

Cancel.

Represents graphical user interface (GUI)

items you click or select.

Bold text like this

In the configuration editor hierarchy,

select Protocols>Ospf.

Separates levels in a hierarchy of menu

selections.

> (bold right angle bracket)

Documentation Feedback

We encourage you to provide feedback, comments, and suggestions so that we can

improve the documentation. You can provide feedback by using either of the following

methods:

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Online feedback rating system—On any page of the Juniper Networks TechLibrary site

at http://www.juniper.net/techpubs/index.html, simply click the stars to rate the content,

and use the pop-up form to provide us with information about your experience.

Alternately, you can use the online feedback form at

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About the Documentation

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E-mail—Send your commentsto techpubs-comments@juniper.net. Includethe document

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Requesting Technical Support

Technical product support is available through the Juniper Networks Technical Assistance

Center (JTAC). If you are a customer with an active J-Care or Partner Support Service

support contract, or are covered under warranty, and need post-sales technical support,

you can access our tools and resources online or open a case with JTAC.

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JTAC policies—For a complete understanding of our JTAC procedures and policies,

review the JTAC User Guide located at

http://www.juniper.net/us/en/local/pdf/resource-guides/7100059-en.pdf.

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Product warranties—For product warranty information, visit

http://www.juniper.net/support/warranty/.

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JTAC hours of operation—The JTAC centers have resources available 24 hours a day,

7 days a week, 365 days a year.

Self-Help Online Tools and Resources

For quick and easy problem resolution, Juniper Networks has designed an online

self-service portal called the Customer Support Center (CSC) that provides you with the

following features:

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Find CSC offerings: http://www.juniper.net/customers/support/

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Search for known bugs: http://www2.juniper.net/kb/

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Find product documentation: http://www.juniper.net/techpubs/

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Find solutions and answer questions using our Knowledge Base: http://kb.juniper.net/

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Download the latest versions of software and review release notes:

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Search technical bulletins for relevant hardware and software notifications:

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To verifyservice entitlementby productserial number, use our Serial Number Entitlement

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Opening a Case with JTAC

You can open a case with JTAC on the Web or by telephone.

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Use the Case Management tool in the CSC at http://www.juniper.net/cm/.

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Call 1-888-314-JTAC (1-888-314-5822 toll-free in the USA, Canada, and Mexico).

QFX5110 Switch Hardware Guide

For international or direct-dial options in countries without toll-free numbers, see

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QFX5110 Switch Hardware Guide

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