Juniper QFX5100 Installation instructions

QFX5100 Switch Hardware Guide
Release
15.1
Modified: 2016-12-16
Copyright © 2016, Juniper Networks, Inc.

Juniper Networks, Inc.
1133 Innovation Way
Sunnyvale, California 94089
USA
408-745-2000
www.juniper.net
Copyright © 2016, Juniper Networks, Inc. All rights reserved.
Juniper Networks, Junos, Steel-Belted Radius, NetScreen, and ScreenOS are registered trademarks of Juniper Networks, Inc. in the United
States and other countries. The Juniper Networks Logo, the Junos logo, and JunosE are trademarks of Juniper Networks, Inc. All other
trademarks, service marks, registered trademarks, 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.
QFX5100 Switch Hardware Guide
15.1
Copyright © 2016, Juniper Networks, Inc.
All rights reserved.
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.html. By downloading, installing or using such software, you agree to the terms and conditions of
that EULA.
Copyright © 2016, Juniper Networks, Inc.ii

Table of Contents
AbouttheDocumentation............................................xv
DocumentationandReleaseNotes.................................xv
Documentation Conventions ......................................xv
DocumentationFeedback........................................xvii
RequestingTechnicalSupport....................................xviii
Self-Help Online Tools and Resources . . . . . . . . . . . . . . . . . . . . . . . . . . xviii
OpeningaCasewithJTAC....................................xviii
Part 1 Overview
Chapter1 SystemOverview...................................................3
QFX5100DeviceHardwareOverview....................................3
QFX5100Hardware...............................................3
SystemSoftware................................................10
QFX5100DeviceModels.............................................10
Field-Replaceable Units in a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Understanding Hardware Redundancy of QFX5100 Device Components and
Functionality ...................................................13
Supported Environments for QFX Series Devices . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Management Panel of a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
PortPanelofaQFX5100-24QDevice...................................23
Switch Ports ...................................................23
QFabricSystems................................................24
Channelizing Interfaces (Non-QFabric) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Virtual Chassis and Virtual Chassis Fabric . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
PortLEDs......................................................25
Port Panel of a QFX5100-24Q-AA Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
PortPanelofaQFX5100-48SDevice...................................28
PortPanelofaQFX5100-48TDevice...................................30
PortPanelofaQFX5100-96SDevice...................................32
Switch Ports ...................................................32
ChannelizingInterfaces...........................................33
Virtual Chassis and Virtual Chassis Fabric Support . . . . . . . . . . . . . . . . . . . . . 33
Expansion Modules for QFX5100 Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
EX4600-EM-8F ................................................35
QFX-EM-4Q ...................................................36
QFX-PFA-4Q ...................................................37
iiiCopyright © 2016, Juniper Networks, Inc.

Chapter3 CoolingSystemandAirflow........................................39
Cooling System and Airflow in a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . 39
FanModules...................................................39
Do Not Install Components with Different Airflow or Wattage in the
Switch ....................................................43
FanModuleStatus..............................................44
Chapter4 Power Supplies ...................................................47
ACPowerSupplyforaQFX5100Device.................................47
DCPowerSupplyinaQFX5100Device.................................49
Grounding Cable and Lug Specifications for a QFX5100 Device . . . . . . . . . . . . . . 51
Chapter5 ViewingSystemInformation........................................53
Chassis Status LEDs on a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Management Port LEDs on a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Access Port and Uplink Port LEDs on a QFX5100 Device . . . . . . . . . . . . . . . . . . . . 57
FanModuleLEDonaQFX5100Device..................................60
AC Power Supply LEDs on a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
DC Power Supply LEDs on a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Part 2 Site Planning, Preparation, and Specifications
Chapter6 PreparationOverview..............................................67
Site Preparation Checklist for a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . 67
GeneralSiteGuidelines..............................................69
SiteElectricalWiringGuidelines.......................................69
Environmental Requirements and Specifications for a QFX5100 Device . . . . . . . 70
Chassis Physical Specifications for a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . 71
Planning a Virtual Chassis Fabric Deployment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Rack Requirements for a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Cabinet Requirements for a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Clearance Requirements for Airflow and Hardware Maintenance for a QFX5100
Device ........................................................76
Chapter 7 Power Specifications and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
AC Power Specifications for a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
AC Power Cord Specifications for a QFX Series Device . . . . . . . . . . . . . . . . . . . . . 80
DC Power Specifications for a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Chapter 8 Port and Interface Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
USB Port Specifications for the QFX Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Console Port Connector Pinouts for the QFX Series . . . . . . . . . . . . . . . . . . . . . . . 84
Management Port Connector Pinouts for the QFX Series . . . . . . . . . . . . . . . . . . . 85
Interface Support for the QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Interface Specifications for SFP, SFP+, and QSFP+ Transceivers for the QFX
Series.........................................................94
Interface Specifications for SFP+ DAC Cables for the QFX Series . . . . . . . . . . . . 126
Interface Specifications for SFP+ and QSFP+ Active Optical Cables for the
QFX5100 .....................................................132
Copyright © 2016, Juniper Networks, Inc.iv
QFX5100 Switch Hardware Guide

Interface Specifications for QSFP+ to SFP+ Active Optical Breakout Cables for
theQFX5100..................................................134
Interface Specifications for QSFP+ DAC Breakout Cables for the QFX Series . . . 135
Interface Specifications for QSFP+ DAC Cables for the QFX Series . . . . . . . . . . 140
Chapter9 CableSpecifications..............................................147
Cable Specifications for QSFP+ and QSFP28 Transceivers . . . . . . . . . . . . . . . . . 147
Cable Specifications for Console and Management Connections for the QFX
Series........................................................149
Understanding QFX Series Fiber-Optic Cable Signal Loss, Attenuation, and
Dispersion ....................................................150
Signal Loss in Multimode and Single-Mode Fiber-Optic Cables . . . . . . . . . . 150
Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . 150
Calculating the Fiber-Optic Cable Power Budget for a QFX Series Device . . . . . . 151
Calculating the Fiber-Optic Cable Power Margin for a QFX Series Device . . . . . . 152
Copper Cable Specifications for QFX5100-48T Switches . . . . . . . . . . . . . . . . . . 153
Part 3 Initial Installation and Configuration
Chapter10 UnpackingtheSwitch.............................................157
UnpackingaQFX5100Device........................................157
Chapter11 InstallingtheSwitch..............................................159
Installing and Connecting a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Mounting a QFX5100 Device in a Rack or Cabinet . . . . . . . . . . . . . . . . . . . . . . . . 160
Before You Begin Rack Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Four-PostProcedure............................................162
Two-PostProcedure............................................164
Virtual Chassis Fabric Installation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Chapter 12 Connecting the Switch to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Connecting Earth Ground to a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Connecting AC Power to a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Connecting DC Power to a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
Chapter 13 Connecting the Switch to the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Connecting a QFX Series Device to a Management Console . . . . . . . . . . . . . . . . 179
Connecting a QFX5100 Device to a Network for Out-of-Band Management . . . 180
Connecting QFX Series and EX Series Switches in a QFX Virtual Chassis . . . . . . 181
BeforeYouStart................................................181
Valid Configurations ............................................182
Cabling QFX3500 Switches in a QFX Virtual Chassis . . . . . . . . . . . . . . . . . . 183
Cabling QFX3600 Switches in a QFX Virtual Chassis . . . . . . . . . . . . . . . . . . 184
Cabling a Mixed QFX Virtual Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Connecting a QFX5100 Device in a Virtual Chassis Fabric . . . . . . . . . . . . . . . . . . 187
Chapter 14 Performing Initial Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
ConfiguringaQFX5100Device.......................................189
vCopyright © 2016, Juniper Networks, Inc.
Table of Contents

Part 4 Installing, Maintaining, and Replacing Components
Chapter15 RemovingtheSwitch.............................................193
PoweringOffaQFX5100Device......................................193
Removing a QFX5100 Device from a Rack or Cabinet . . . . . . . . . . . . . . . . . . . . . 195
Chapter 16 Replacing Cooling System Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Installing a Fan Module in a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Removing a Fan Module from a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . 198
Chapter17 ReplacingPower Supply..........................................201
Installing and Removing QFX5100 Device Hardware Components . . . . . . . . . . . 201
Installing a Power Supply in a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Removing a Power Supply from a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . 204
Chapter18 ReplacingExpansionModule......................................207
Installing an Expansion Module in a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . 207
Removing an Expansion Module from a QFX5100 Device . . . . . . . . . . . . . . . . . . 210
Chapter19 ReplacingTransceiver.............................................213
Removing a Transceiver from a QFX Series Device . . . . . . . . . . . . . . . . . . . . . . . . 213
Installing a Transceiver in a QFX Series Device . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Chapter 20 Maintaining and Replacing Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . 219
Disconnecting a Fiber-Optic Cable from a QFX Series Device . . . . . . . . . . . . . . . 219
Connecting a Fiber-Optic Cable to a QFX Series Device . . . . . . . . . . . . . . . . . . . 220
Maintaining Fiber-Optic Cables in a QFX Series Device . . . . . . . . . . . . . . . . . . . . 221
Chapter 21 Contacting Customer Support and Returning the Chassis or
Components ....................................................223
Returning a QFX5100 Device or Component for Repair or Replacement . . . . . . 223
Locating the Serial Number on a QFX5100 Device or Component . . . . . . . . . . . 224
Listing the Chassis and Component Details Using the CLI . . . . . . . . . . . . . . 224
Locating the Chassis Serial Number ID Label on a QFX5100 Switch . . . . . . 225
Locating the Serial Number ID Labels on FRU Components . . . . . . . . . . . . 226
Packing a QFX5100 Device or Component for Shipping . . . . . . . . . . . . . . . . . . . 226
Packing a QFX5100 Switch for Shipping . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Packing QFX5100 Switch Components for Shipping . . . . . . . . . . . . . . . . . . . 227
Contacting Customer Support to Obtain a Return Materials Authorization for a
QFXSeriesDeviceorComponent.................................228
Part 5 Troubleshooting
Chapter22 Alarm Messages.................................................233
UnderstandingAlarms..............................................233
InterfaceAlarmMessages...........................................234
Chapter23 RestoringJunosOS...............................................235
CreatinganEmergencyBootDevice...................................235
Performing a Recovery Installation Using an Emergency Boot Device . . . . . . . . . 237
Copyright © 2016, Juniper Networks, Inc.vi
QFX5100 Switch Hardware Guide

Chapter 24 Safety and Compliance Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Definitions of Safety Warning Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
QualifiedPersonnelWarning.....................................242
Warning Statement for Norway and Sweden . . . . . . . . . . . . . . . . . . . . . . . . 243
FireSafetyRequirements............................................243
FireSafetyRequirements........................................243
RadiationandLaserWarnings........................................244
Radiation from Open Port Apertures Warning . . . . . . . . . . . . . . . . . . . . . . . . 244
Laser and LED Safety Guidelines and Warnings for the QFX Series . . . . . . . 245
Class1MLaserProductWarning...............................246
Class 1M Laser Radiation Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246
Unterminated Fiber-Optic Cable Warning . . . . . . . . . . . . . . . . . . . . . . . 246
Installation and Maintenance Safety Information . . . . . . . . . . . . . . . . . . . . . . . . 248
Installation Instructions Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
Chassis Lifting Guidelines for a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . 249
RestrictedAccessWarning.......................................249
RampWarning.................................................251
Rack-Mounting and Cabinet-Mounting Warnings . . . . . . . . . . . . . . . . . . . . . 251
GroundedEquipmentWarning....................................255
Maintenance and Operational Safety Guidelines and Warnings . . . . . . . . . 256
BatteryHandlingWarning....................................256
JewelryRemovalWarning....................................257
LightningActivityWarning....................................258
Operating Temperature Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
ProductDisposalWarning...................................260
Power and Electrical Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261
General Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . 261
Prevention of Electrostatic Discharge Damage . . . . . . . . . . . . . . . . . . . . . . . 263
AC Power Electrical Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
ACPowerDisconnectionWarning.................................265
DC Power Electrical Safety Guidelines for Switches . . . . . . . . . . . . . . . . . . . 266
DCPowerDisconnectionWarning.................................268
DC Power Grounding Requirements and Warning . . . . . . . . . . . . . . . . . . . . 269
DC Power Wiring Sequence Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
DC Power Wiring Terminations Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272
Multiple Power Supplies Disconnection Warning . . . . . . . . . . . . . . . . . . . . . 273
TNPowerWarning.............................................273
Action to Take After an Electrical Accident . . . . . . . . . . . . . . . . . . . . . . . . . . 274
Chapter 25 Agency Approvals and Compliance Statements . . . . . . . . . . . . . . . . . . . . . 275
AgencyApprovalsfortheQFXSeries..................................275
Compliance Statements for EMC Requirements for the QFX Series . . . . . . . . . . 276
Canada ......................................................276
EuropeanCommunity...........................................277
Israel.........................................................277
Japan ........................................................277
Korea ........................................................277
viiCopyright © 2016, Juniper Networks, Inc.
Table of Contents

United States .................................................278
Nonregulatory Environmental Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . 278
Copyright © 2016, Juniper Networks, Inc.viii
QFX5100 Switch Hardware Guide

List of Figures
Part 1 Overview
Chapter1 SystemOverview...................................................3
Figure1:QFX5100-48SPortPanel......................................4
Figure2:QFX5100-48TPortPanel......................................5
Figure3:QFX5100-24QPortPanel......................................6
Figure 4: QFX-EM-4Q Expansion Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 5: EX4600-EM-8F Expansion Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 6: QFX5100-24Q-AA Port Panel with QFX-PFA-4Q . . . . . . . . . . . . . . . . . . . 8
Figure 7: QFX-PFA-4Q Expansion Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure8:QFX5100-96SPortPanel......................................9
Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 9: QFX5100 Switch, FRU End 1 U Product SKUs . . . . . . . . . . . . . . . . . . . . . . 19
Figure10:QFX5100-96S,FRUEnd.....................................19
Figure 11: Management Panel Components on 1 U QFX5100 . . . . . . . . . . . . . . . . . 20
Figure 12: Management Panel Components on the QFX5100-96S . . . . . . . . . . . . 21
Figure 13: QFX5100-24Q Device Port Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 14: LEDs on the QSFP+ Uplink Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Figure 15: Port Panel of a QFX5100-24Q-AA Switch . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 16: QFX5100-48S Switch Port Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 17: QFX5100-48T Switch Port Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 18: QFX5100-96S Switch Port Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 19: EX4600-EM-8F Faceplate and LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 20: QFX-EM-4Q Faceplate and LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 21: QFX-PFA-4Q Faceplate and LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Chapter3 CoolingSystemandAirflow........................................39
Figure 22: 1 U Fan Module Used in QFX5100 Switches . . . . . . . . . . . . . . . . . . . . . . 40
Figure 23: 2 U Fan Module Used in QFX5100-96S Switches . . . . . . . . . . . . . . . . . 40
Figure 24: Air In Airflow Through 1 U QFX5100 Switch Chassis . . . . . . . . . . . . . . . 42
Figure 25: Air In Airflow Through 2 U QFX5100 Switch Chassis . . . . . . . . . . . . . . . 42
Figure 26: Air Out Airflow Through 1 U QFX5100 Switch Chassis . . . . . . . . . . . . . . 43
Figure 27: Air Out Airflow Through 2 U QFX5100 Switch Chassis . . . . . . . . . . . . . . 43
Chapter4 Power Supplies ...................................................47
Figure 28: 1 U AC Power Supply in QFX5100 Switches . . . . . . . . . . . . . . . . . . . . . . 48
Figure 29: 2 U AC Power Supply in a QFX5100-96S Switch . . . . . . . . . . . . . . . . . 48
Figure 30: Power Supply Handle Detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Figure 31: DC Power Supply in QFX5100 Devices . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Figure 32: DC Power Supply for QFX5100-96S Devices . . . . . . . . . . . . . . . . . . . . . 50
Figure 33: DC Power Supply Faceplate in QFX5100 Devices . . . . . . . . . . . . . . . . . . 51
ixCopyright © 2016, Juniper Networks, Inc.

Chapter5 ViewingSystemInformation........................................53
Figure 34: Chassis Status LEDs on a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . 53
Figure 35: Management Port LEDs on a QFX5100 Switch . . . . . . . . . . . . . . . . . . . 56
Figure 36: Fan Module LED in a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Figure 37: AC Power Supply LEDs on a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . 61
Figure 38: DC Power Supply Faceplate on a QFX5100 Switch . . . . . . . . . . . . . . . . 62
Part 2 Site Planning, Preparation, and Specifications
Chapter6 PreparationOverview..............................................67
Figure 39: Clearance Requirements for Airflow and Hardware Maintenance for
aQFX5100Device...............................................77
Chapter 8 Port and Interface Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Figure 40: Port Panel QFX5100-96S Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Figure 41: Port Panel QFX5100-48S Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Figure 42: Port Panel QFX5100-48T Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Figure 43: Port Panel QFX5100-24Q Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Figure 44: Port Panel QFX5100-24Q-AA Device . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Figure 45: Port Panel QFX5100-24Q-AA Device . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Part 3 Initial Installation and Configuration
Chapter11 InstallingtheSwitch..............................................159
Figure 46: Attaching Mounting Rails to the QFX5100-24Q . . . . . . . . . . . . . . . . . . 162
Figure 47: Attaching Mounting Rails to the QFX5100-48S . . . . . . . . . . . . . . . . . . 162
Figure 48: Attaching Mounting Rails to the QFX5100-96S . . . . . . . . . . . . . . . . . 163
Figure49:Attach1USwitchtoRack...................................163
Figure 50: Slide Mounting Rail onto the QFX5100-96S Rear Mounting Blade . . 163
Figure 51: Slide Mounting Blade into 1 U Mounting Rail . . . . . . . . . . . . . . . . . . . . . 164
Figure 52: Attaching a Two-Post Mounting Bracket to QFX5100-96S . . . . . . . . . 164
Figure 53: Mounting the Switch on Two Posts in a Rack . . . . . . . . . . . . . . . . . . . . 165
Chapter 12 Connecting the Switch to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Figure 54: Connecting a Grounding Cable to a 1 U QFX5100 Device . . . . . . . . . . . 171
Figure 55: Connecting a Grounding Cable to the 2 U QFX5100-96S Device . . . . . 171
Figure 56: Connecting an AC Power Cord to an AC Power Supply in a 1 U QFX5100
Device........................................................173
Figure 57: Connecting an AC Power Cord to an AC Power Supply in a 2 U QFX5100
Device........................................................173
Figure 58: DC Power Supply Faceplate for a QFX5100 Device . . . . . . . . . . . . . . . 177
Figure 59: Securing Ring Lugs to the Terminals on the QFX5100 DC Power
Supply........................................................177
Chapter 13 Connecting the Switch to the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Figure 60: Connecting the QFX Series to a Management Console Through a
ConsoleServer.................................................179
Figure 61: Connecting the QFX Series Directly to a Management Console . . . . . 180
Figure 62: Connecting a QFX5100 Switch to a Network for Out-of-Band
Management ..................................................181
Copyright © 2016, Juniper Networks, Inc.x
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Figure 63: QFX3500 Using the 40G Ports as the VCPs . . . . . . . . . . . . . . . . . . . . . 183
Figure 64: QFX3500 Using the 10G Ports as the VCPs . . . . . . . . . . . . . . . . . . . . . 184
Figure 65: QFX3600 Using the 40G Ports as the VCPs . . . . . . . . . . . . . . . . . . . . 185
Figure 66: QFX3500 and QFX3600 Mixed Using the 40G Ports as the VCPs . . . 185
Figure 67: QFX3500 and QFX3600 Mixed Using Both 40G Ports and 10G Ports
astheVCPs...................................................186
Figure 68: QFX5100 Master Connecting QFX3600 and QFX3500 Using 40G
PortsasVCPs.................................................186
Figure 69: Two Spine Virtual Chassis Fabric with Six Leaf Devices . . . . . . . . . . . 188
Part 4 Installing, Maintaining, and Replacing Components
Chapter 16 Replacing Cooling System Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Figure 70: Installing a Fan Module in a 1 U QFX5100 Device . . . . . . . . . . . . . . . . . 198
Figure 71: Installing a Fan Module in a 2 U QFX5100-96S Device . . . . . . . . . . . . . 198
Figure 72: Removing a Fan Module from a 1 U QFX5100 Device . . . . . . . . . . . . . . 199
Figure 73: Removing a Fan Module from a 2 U QFX5100-96S Device . . . . . . . . . 200
Chapter17 ReplacingPower Supply..........................................201
Figure 74: Installing a Power Supply in a 1 U QFX5100 Device . . . . . . . . . . . . . . . 203
Figure 75: Installing a Power Supply in a QFX5100-96S Device . . . . . . . . . . . . . 203
Figure 76: Removing a Power Supply from a 1 U QFX5100 Device . . . . . . . . . . . . 205
Figure 77: Removing a Power Supply from a QFX5100-96S Device . . . . . . . . . . 205
Chapter18 ReplacingExpansionModule......................................207
Figure 78: QFX-EM-4Q Expansion Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Figure 79: EX4600-EM-8S Expansion Module . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Figure 80: QFX-PFA-4Q Expansion Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
Figure 81: Installing a QFX-EM-4Q Expansion Module in a QFX5100-24Q
Device .......................................................209
Figure 82: Installing a QFX-PFA-4Q Expansion Module in a QFX5100-24Q-AA
Device .......................................................209
Figure 83: Removing a QFX-EM-4Q Expansion Module from a QFX5100-24Q
Device........................................................212
Figure 84: Removing a QFX-PFA-4Q Expansion Module from a QFX5100-24Q-AA
Device........................................................212
Chapter19 ReplacingTransceiver.............................................213
Figure 85: Installing an SFP Transceiver in the QFX Series . . . . . . . . . . . . . . . . . . 216
Figure 86: Installing a QSFP+ Transceiver in the QFX Series—Vertical
Orientation....................................................216
Figure 87: Installing a QSFP+ Transceiver in the QFX Series—Horizontal
Orientation....................................................216
Figure 88: Installing a QSFP+ Transceiver in a QFX5100-48T . . . . . . . . . . . . . . . 216
Figure 89: Installing a QSFP28 Transceiver in a QFX10002 . . . . . . . . . . . . . . . . . 217
Chapter 21 Contacting Customer Support and Returning the Chassis or
Components ....................................................223
Figure 90: Location of the Serial Number ID Label on a QFX5100-96S Switch . . 225
Figure 91: Location of the Serial Number ID Label on a QFX5100-48S Switch . . 225
Figure 92: Location of the Serial Number ID Label on a QFX5100-48T Switch . . 226
xiCopyright © 2016, Juniper Networks, Inc.
List of Figures

Figure 93: Location of the Serial Number ID Label on a QFX5100-24Q Switch . . 226
Part 5 Troubleshooting
Chapter 24 Safety and Compliance Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Figure 94: Placing a Component into an Antistatic Bag . . . . . . . . . . . . . . . . . . . . 263
Copyright © 2016, Juniper Networks, Inc.xii
QFX5100 Switch Hardware Guide

List of Tables
AbouttheDocumentation..........................................xv
Table1:NoticeIcons.................................................xvi
Table 2: Text and Syntax Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvi
Part 1 Overview
Chapter1 SystemOverview...................................................3
Table 3: QFX5100 Switch Product Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Table4:FRUsinaQFX5100Switch.....................................13
Table 5: Supported QFX and EX Series Switches Configurations . . . . . . . . . . . . . . 14
Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Table 6: Port LEDs on a QFX5100-24Q Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Table7:EX4600-EM-8FStatusLED...................................36
Table 8: Expansion Module Status LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Table 9: QFX-PFA-4Q Status and FPGA LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Chapter3 CoolingSystemandAirflow........................................39
Table 10: Fan Modules in QFX5100 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Table11:FanModuleLED.............................................44
Chapter4 Power Supplies ...................................................47
Table 12: Airflow Direction in QFX5100 AC Power Supplies . . . . . . . . . . . . . . . . . . 49
Chapter5 ViewingSystemInformation........................................53
Table 13: Chassis Status LEDs on a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . 54
Table 14: Management Port LEDs on a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . 57
Table 15: QFX5100 Access Port and Uplink LED Locations . . . . . . . . . . . . . . . . . . 58
Table 16: Network Port LEDs on SFP+ Ports on a QFX5100 Switch . . . . . . . . . . . 59
Table 17: Network Port LEDs on QSFP+ Ports on a QFX5100 Switch . . . . . . . . . . 60
Table 18: Fan Tray LED in a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Table 19: AC Power Supply LEDs on a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . . 61
Table 20: DC Power Supply LEDs on a QFX5100 Switch . . . . . . . . . . . . . . . . . . . . 63
Part 2 Site Planning, Preparation, and Specifications
Chapter6 PreparationOverview..............................................67
Table21:SitePreparationChecklist.....................................67
Table 22: Site Electrical Wiring Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Table 23: QFX5100 Switch Environmental Tolerances . . . . . . . . . . . . . . . . . . . . . . 70
Table 24: Physical Specifications for the QFX5100 Switch Chassis . . . . . . . . . . . . 71
Table25:DeploymentChecklist.......................................72
xiiiCopyright © 2016, Juniper Networks, Inc.

Table 26: Rack Requirements for the QFX5100 Device . . . . . . . . . . . . . . . . . . . . . 74
Table 27: Cabinet Requirements for the QFX5100 Device . . . . . . . . . . . . . . . . . . . 76
Chapter 7 Power Specifications and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Table 28: AC Power Specifications for a QFX5100 Device . . . . . . . . . . . . . . . . . . . 79
Table 29: AC Power Cord Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Table 30: DC Power Specifications for a QFX5100 Device . . . . . . . . . . . . . . . . . . . 82
Chapter 8 Port and Interface Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Table 31: Console Port Connector Pinouts for the QFX Series . . . . . . . . . . . . . . . . 84
Table 32: RJ-45 Management Port Connector Pinouts for the QFX Series . . . . . . 85
Table 33: Supported Optical Transceivers for the QFX5100 Switch . . . . . . . . . . . 88
Table 34: Supported DAC and DAC Breakout Cables for the QFX5100 . . . . . . . . . 90
Table 35: Supported 10-Gigabit AOC on QFX5100 . . . . . . . . . . . . . . . . . . . . . . . . . 92
Table 36: Supported 40-Gigabit AOC and AOC Breakout on QFX5100 . . . . . . . . 93
Table 37: Copper Interface Support and Optical Interface Support for
Gigabit Ethernet SFP Transceivers for the QFX Series . . . . . . . . . . . . . . . . . . 95
Table 38: Optical Interface Support for 10-Gigabit Ethernet SFP+ Transceivers
fortheQFXSeries..............................................100
Table 39: Interface Support for 40-Gigabit Ethernet QSFP+ Transceivers for the
QFXSeries.....................................................113
Table 40: Third-Party SFP+ DAC Cable Support . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Table 41: SFP+ Passive Direct Attach Copper Cable Specifications . . . . . . . . . . . 127
Table 42: SFP+ Active Direct Attach Copper Cable Specifications . . . . . . . . . . . 130
Table 43: SFP+ to SFP+ Active Optical Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Table 44: QSFP+ to QSFP+ Active Optical Cables . . . . . . . . . . . . . . . . . . . . . . . . 133
Table 45: QSFP+ to SFP+ Active Optical Breakout Cables . . . . . . . . . . . . . . . . . . 135
Table 46: Third-Party QSFP+ DAC Breakout Cable Support . . . . . . . . . . . . . . . . 136
Table 47: QSFP+ DAC Passive Breakout Cable Specifications . . . . . . . . . . . . . . . 137
Table 48: QSFP+ Active DAC Breakout Cable Specifications . . . . . . . . . . . . . . . . 138
Table 49: Third-Party QSFP+ DAC Cable Support . . . . . . . . . . . . . . . . . . . . . . . . 140
Table 50: Interface Specifications for Passive Copper QSFP+ DAC Cables . . . . . 142
Table 51: Interface Specifications for Active Copper QSFP+ DAC Cables . . . . . . 144
Chapter9 CableSpecifications..............................................147
Table52:QSFP+MPOCableSignals...................................147
Table 53: QSFP+ MPO Fiber-Optic Crossover Cable Pinouts . . . . . . . . . . . . . . . . 148
Table 54: Cable Specifications for Console and Management Connections for
theQFXSeries.................................................149
Table 55: Estimated Values for Factors Causing Link Loss . . . . . . . . . . . . . . . . . . 152
Table 56: Cable Specification for 10GBASE-T Network Ports . . . . . . . . . . . . . . . 154
Part 3 Initial Installation and Configuration
Chapter10 UnpackingtheSwitch.............................................157
Table 57: Inventory of Components Supplied with a QFX5100 Device . . . . . . . . 158
Part 5 Troubleshooting
Chapter22 Alarm Messages.................................................233
Table 58: Alarm Terms and Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Copyright © 2016, Juniper Networks, Inc.xiv
QFX5100 Switch Hardware Guide

About the Documentation
•Documentation and Release Notes 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.
Documentation Conventions
Table 1 on page xvi defines notice icons used in this guide.
xvCopyright © 2016, Juniper Networks, Inc.

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
Copyright © 2016, Juniper Networks, Inc.xvi
QFX5100 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 port is labeled CONSOLE.
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:
•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
http://www.juniper.net/techpubs/feedback/.
xviiCopyright © 2016, Juniper Networks, Inc.
About the Documentation

•E-mail—Send your comments to [e-mail]. Include the document
or topic name, URL or page number, and software version (if applicable).
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.
•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.
•Product warranties—For product warranty information, visit
http://www.juniper.net/support/warranty/.
•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:
•Find CSC offerings: http://www.juniper.net/customers/support/
•Search for known bugs: http://www2.juniper.net/kb/
•Find product documentation: http://www.juniper.net/techpubs/
•Find solutions and answer questions using our Knowledge Base: http://kb.juniper.net/
•Download the latest versions of software and review release notes:
http://www.juniper.net/customers/csc/software/
•Search technical bulletins for relevant hardware and software notifications:
http://kb.juniper.net/InfoCenter/
•Join and participate in the Juniper Networks Community Forum:
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•Open a case online in the CSC Case Management tool: http://www.juniper.net/cm/
To verify service entitlement by product serial number, use our Serial Number Entitlement
(SNE) Tool: https://tools.juniper.net/SerialNumberEntitlementSearch/
Opening a Case with JTAC
You can open a case with JTAC on the Web or by telephone.
•Use the Case Management tool in the CSC at http://www.juniper.net/cm/.
•Call 1-888-314-JTAC (1-888-314-5822 toll-free in the USA, Canada, and Mexico).
Copyright © 2016, Juniper Networks, Inc.xviii
QFX5100 Switch Hardware Guide

For international or direct-dial options in countries without toll-free numbers, see
http://www.juniper.net/support/requesting-support.html.
xixCopyright © 2016, Juniper Networks, Inc.
About the Documentation

Copyright © 2016, Juniper Networks, Inc.xx
QFX5100 Switch Hardware Guide