Juniper QFX Series User manual

QFX3000 Hardware Documentation
Published: 2012-03-23
Copyright © 2012, Juniper Networks, Inc.

Juniper Networks, Inc.
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Copyright © 2012, Juniper Networks, Inc. All rights reserved.
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QFX3000 Hardware Documentation
Copyright © 2012, Juniper Networks, Inc.
All rights reserved.
The information in this document is current as of the date on the title page.
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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.
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http://www.juniper.net/support/eula.html. By downloading, installing or using such software, you agree to the terms and conditions
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Copyright © 2012, Juniper Networks, Inc.ii

Table of Contents
AbouttheDocumentation...........................................xxiii
Documentation and Release Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiii
Supported Platforms ...........................................xxiii
DocumentationConventions.....................................xxiii
DocumentationFeedback........................................xxv
RequestingTechnicalSupport....................................xxv
Self-Help Online Tools and Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxvi
OpeningaCasewithJTAC.......................................xxvi
Part 1 Overview
Chapter 1 QFX3000 QFabric Switch Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
QFabricSystemOverview.............................................3
LegacyDataCenterArchitecture....................................3
QFX Series QFabric System Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Understanding the QFabric System Hardware Architecture . . . . . . . . . . . . . . . . . . 7
QFabric System Hardware Architecture Overview . . . . . . . . . . . . . . . . . . . . . . . 7
QFabricSystemFeatures..........................................9
Understanding QFX3000-G QFabric System Hardware Configurations . . . . . . . . 10
UnderstandingtheDirectorGroup......................................11
DirectorGroupComponents.......................................11
DirectorGroupServices...........................................12
Understanding Routing Engines in the QFabric System . . . . . . . . . . . . . . . . . . . . . 12
Hardware-BasedRoutingEngines..................................13
Software-Based External Routing Engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
UnderstandingInterconnectDevices....................................14
InterconnectDeviceIntroduction...................................14
QFX3008-IInterconnectDevices...................................15
UnderstandingNodeDevices..........................................17
NodeDeviceIntroduction.........................................17
QFX3500NodeDevices..........................................17
UnderstandingNodeGroups..........................................19
NetworkNodeGroups............................................19
ServerNodeGroups.............................................19
Chapter2 QFX3100 Overview ................................................21
QFX3100DirectorDeviceOverview.....................................21
Software ......................................................22
PhysicalSpecifications...........................................22
NetworkModules...............................................22
HardDiskDriveModules..........................................23
iiiCopyright © 2012, Juniper Networks, Inc.

ACPowerSupplies..............................................23
FanModules...................................................23
Field-Replaceable Units in a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . 23
Understanding Redundancy of QFX3100 Director Device Components and
Functionality ...................................................24
QFX3100 Director Device Redundancy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
QFX3100 Director Device Component Redundancy . . . . . . . . . . . . . . . . . . . . 25
Chassis Physical Specifications for a QFX3100 Director Device . . . . . . . . . . . . . . 25
Front Panel of a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Rear Panel of a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Cooling System and Airflow in a QFX3100 Director Device . . . . . . . . . . . . . . . . . . 27
Network Modules in a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . . . . . . 28
HDD Modules in a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Fan Modules in a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
AC Power Supply in a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Chapter3 QFX3008-IOverview..............................................33
QFX3008-I Interconnect Device Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Software ......................................................34
Chassis Physical Specifications, Front Panel Display, and Midplane . . . . . . . 34
16-PortQSFP+FrontCard........................................36
Control Board ..................................................37
RearCard......................................................37
CoolingSystem.................................................37
PowerSuppliesandWiringTrays...................................37
Field-Replaceable Units in a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . 38
Understanding Redundancy of QFX3008-I Interconnect Device Components
andFunctionality...............................................39
Slot Numbering for a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . . . . . 40
Chassis Physical Specifications for a QFX3008-I Interconnect Device . . . . . . . . . 41
Midplane in a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Front Panel Display of the QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . 43
Cooling System and Airflow in a QFX3008-I Interconnect Device . . . . . . . . . . . . 44
16-Port QSFP+ Front Cards in a QFX3008-I Interconnect Device . . . . . . . . . . . . . 48
Control Board in a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . . . . . . . . 49
Rear Cards in a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
AC Power Supply in a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . . . . . 52
Wiring Tray in a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Grounding Cable and Lug Specifications for a QFX3008-I Interconnect
Device ........................................................57
Copyright © 2012, Juniper Networks, Inc.iv
QFX3000 Hardware Documentation

Chapter4 QFX3500 Overview ...............................................59
QFX3500DeviceOverview...........................................59
Software......................................................60
Hardware .....................................................60
SFP+AccessPorts...........................................61
QSFP+UplinkPorts..........................................62
Field-Replaceable Units in a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Understanding Redundancy of QFX3500 Device Components and
Functionality...................................................64
Chassis Physical Specifications for a QFX3500 Chassis . . . . . . . . . . . . . . . . . . . . 64
FrontPanelofaQFX3500Device......................................65
RearPanelofaQFX3500Device......................................66
Cooling System and Airflow for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . 68
Management Board for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
ACPowerSupplyforaQFX3500Device.................................73
DCPowerSupplyforaQFX3500Device.................................75
Grounding Cable and Lug Specifications for a QFX3500 Device . . . . . . . . . . . . . . 77
Part 2 Planning
Chapter5 SitePreparation...................................................81
Planning a QFX3000-G QFabric System Deployment . . . . . . . . . . . . . . . . . . . . . . 81
Site Preparation Checklist for a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . 83
Site Preparation Checklist for a QFX3008-I Interconnect Device . . . . . . . . . . . . . 84
Site Preparation Checklist for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . 86
GeneralSiteGuidelines..............................................87
SiteElectricalWiringGuidelines.......................................87
Environmental Requirements and Specifications for the QFX3100 Director
Device ........................................................89
Environmental Requirements and Specifications for a QFX3008-I Interconnect
Device ........................................................90
Environmental Requirements and Specifications for the QFX3500 Device . . . . . 91
Chapter 6 Rack and Cabinet Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Rack Requirements for a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . . . . 93
Rack Requirements for a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . . 95
Rack Requirements for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Cabinet Requirements for a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . . 97
Cabinet Requirements for a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . 98
Cabinet Requirements for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Clearance Requirements for Airflow and Hardware Maintenance for a QFX3100
DirectorDevice.................................................99
Clearance Requirements for Airflow and Hardware Maintenance for a QFX3008-I
Interconnect Device ............................................100
Clearance Requirements for Airflow and Hardware Maintenance for a QFX3500
Device........................................................102
Chapter 7 Port and Interface Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
USB Port Specifications for the QFX Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Console Port Connector Pinouts for the QFX Series . . . . . . . . . . . . . . . . . . . . . . . 106
vCopyright © 2012, Juniper Networks, Inc.
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Management Port Connector Pinouts for the QFX Series . . . . . . . . . . . . . . . . . . . 107
Network Module Port Connector Pinouts for a QFX3100 Director Device . . . . . . 107
Interface Specifications for SFP+ Transceivers for QFX3500 Device Access
Ports ........................................................108
Interface Specifications for SFP+ DAC Cables for QFX3500 Device Access
Ports .........................................................117
Interface Specifications for Control Plane Connections for the QFabric
System .......................................................124
Interface Specifications for Data Plane Connections for the QFabric System . . . 127
Chapter8 CableSpecifications..............................................129
Cable Specifications for Control Plane Connections for the QFX Series . . . . . . . 129
Cable Specifications for Console and Management Connections for the QFX
Series ........................................................130
Understanding QFX Series Fiber-Optic Cable Signal Loss, Attenuation, and
Dispersion ....................................................130
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable . . . . . . . . . . . 130
Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 131
Calculating the Fiber-Optic Cable Power Budget for a QFX Series Device . . . . . . 132
Calculating the Fiber-Optic Cable Power Margin for a QFX Series Device . . . . . . 132
Chapter 9 Planning QFX3100 Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
AC Power Specifications for a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . 135
AC Power Cord Specifications for a QFX3100 Director Device . . . . . . . . . . . . . . . 135
Chapter 10 Planning QFX3008-I Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . 137
AC Power Specifications for a QFX3008-I Interconnect Device with Single-Phase
WiringTrays...................................................137
AC Power Specifications for a QFX3008-I Interconnect Device with Three-Phase
DeltaWiringTrays..............................................138
AC Power Specifications for a QFX3008-I Interconnect Device with Three-Phase
WyeWiringTrays...............................................138
Power Requirements for a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . 139
AC Power Cord Specifications for a QFX3008-I Interconnect Device with
Single-PhaseWiringTrays........................................139
AC Power Cord Specifications for a QFX3008-I Interconnect Device with
Three-PhaseDeltaWiringTrays...................................141
AC Power Cord Specifications for a QFX3008-I Interconnect Device with
Three-PhaseWyeWiringTrays....................................142
Calculating Power Requirements for a QFX3008-I Interconnect Device . . . . . . . 143
Power Consumption of Different QFX3008-I Interconnect Device
Configurations .............................................144
System Thermal Output for Different QFX3008-I Interconnect Device
Configurations .............................................144
Chapter 11 Planning QFX35000 Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . 147
AC Power Specifications for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . 147
AC Power Cord Specifications for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . 147
DC Power Specifications for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Copyright © 2012, Juniper Networks, Inc.vi
QFX3000 Hardware Documentation

Chapter12 Compliance ......................................................151
AgencyApprovalsfortheQFXSeries...................................151
Compliance Statements for EMC Requirements for the QFX Series . . . . . . . . . . 152
Canada.......................................................152
EuropeanCommunity...........................................153
Japan ........................................................153
Korea ........................................................153
UnitedStates..................................................153
FCCPart15Statement..........................................154
Nonregulatory Environmental Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Declaration of Conformity for QFX Series Devices . . . . . . . . . . . . . . . . . . . . . . . . 156
Part 3 Safety
Chapter13 GeneralSafetyInformation........................................161
General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Definitions of Safety Warning Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
FireSafetyRequirements............................................164
QualifiedPersonnelWarning.........................................165
Warning Statement for Norway and Sweden . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
Chapter14 RadiationandLaserWarnings......................................167
Radiation from Open Port Apertures Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Laser and LED Safety Guidelines and Warnings for the QFX Series . . . . . . . . . . . 168
GeneralLaserSafetyGuidelines...................................169
Class1MLaserProductWarning...................................169
Class1MLaserRadiationWarning.................................169
Class1LaserProductWarning....................................169
Class1LEDProductWarning......................................170
LaserBeamWarning............................................170
Unterminated Fiber-Optic Cable Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Chapter 15 Installation and Maintenance Safety Information . . . . . . . . . . . . . . . . . . . . . 173
InstallationInstructionsWarning......................................173
Chassis Lifting Guidelines for a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . 175
Chassis Lifting Guidelines for a QFX3008-I Interconnect Device . . . . . . . . . . . . . 175
Chassis Lifting Guidelines for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . 176
RestrictedAccessWarning...........................................177
Ramp Warning ....................................................178
Rack-Mounting and Cabinet-Mounting Warnings . . . . . . . . . . . . . . . . . . . . . . . . . 179
GroundedEquipmentWarning.......................................183
Maintenance and Operational Safety Guidelines and Warnings . . . . . . . . . . . . . 184
BatteryHandlingWarning........................................184
JewelryRemovalWarning........................................185
LightningActivityWarning.......................................186
OperatingTemperatureWarning...................................187
ProductDisposalWarning.......................................188
viiCopyright © 2012, Juniper Networks, Inc.
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Chapter 16 Power and Electrical Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
General Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . 191
Prevention of Electrostatic Discharge Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
AC Power Electrical Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
ACPowerDisconnectionWarning.....................................196
DC Power Electrical Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
DCPowerDisconnectionWarning.....................................198
DC Power Grounding Requirements and Warning . . . . . . . . . . . . . . . . . . . . . . . . 200
DCPowerWiringSequenceWarning...................................201
DC Power Wiring Terminations Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Multiple Power Supplies Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . 204
TNPowerWarning.................................................204
Action to Take After an Electrical Accident . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Part 4 Installation
Chapter17 BeforeYouBegin................................................209
QFX3000-G QFabric System Installation Overview . . . . . . . . . . . . . . . . . . . . . . 209
Chapter 18 Installing a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Installing and Connecting a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . 213
Unpacking a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Mounting a QFX3100 Director Device on Two Posts in a Rack or Cabinet . . . . . . 215
Mounting a QFX3100 Director Device on Four Posts in a Rack or Cabinet . . . . . . 217
Connecting AC Power to a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . . 218
Powering On a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
Chapter 19 Installing a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . . . . . . . . . 223
Installing and Connecting a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . 223
Unpacking a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Parts Inventory (Packing List) for a QFX3008-I Interconnect Device . . . . . . . . . 225
Installing QFX3008-I Interconnect Device Mounting Hardware on Four-Post
RacksorCabinets..............................................227
Installing Cage Nuts for QFX3008-I Interconnect Device Four-Post Rack or
Cabinet Mounting ..........................................229
Installing the Small Mounting Shelf for QFX3008-I Interconnect Device
Four-Post Rack or Cabinet Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
Installing the Large Mounting Shelf and Spacer Bars for QFX3008-I
Interconnect Device Four-Post Rack or Cabinet Mounting . . . . . . . . . . 230
Removing the Adjustable Center-Mounting Brackets for QFX3008-I
Interconnect Device Four-Post Rack or Cabinet Mounting . . . . . . . . . . . 231
Installing QFX3008-I Interconnect Device Mounting Hardware on Two-Post
Racks ........................................................231
Installing Cage Nuts for QFX3008-I Interconnect Device Two-Post Rack
Mounting .................................................233
Installing the Small Mounting Shelf for QFX3008-I Interconnect Device
Two-PostRackMounting....................................233
Installing the Large Mounting Shelf for QFX3008-I Interconnect Device
Two-PostRackMounting....................................234
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QFX3000 Hardware Documentation

Mounting a QFX3008-I Interconnect Device on a Rack or Cabinet Using a
MechanicalLift................................................234
Connecting Earth Ground to a QFX3008-I Interconnect Device . . . . . . . . . . . . . 237
Connecting AC Power to a QFX3008-I Interconnect Device with Single-Phase
WiringTrays...................................................239
Preparing Delta and Wye Three-Phase Power Cords . . . . . . . . . . . . . . . . . . . . . . 241
Connecting AC Power to a QFX3008-I Interconnect Device with Three-Phase
DeltaWiringTrays..............................................246
Connecting AC Power to a QFX3008-I Interconnect Device with Three-Phase
WyeWiringTrays..............................................250
Powering On a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Chapter 20 Installing QFX3008-I Optional Components . . . . . . . . . . . . . . . . . . . . . . . . 255
Installing the Cable Management System on a QFX3008-I Interconnect
Device .......................................................255
Installing the Lockable Front Doors on a QFX3008-I Interconnect Device . . . . . 256
Chapter 21 Installing a QFX3500 Node Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
Installing and Connecting a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
UnpackingaQFX3500Device.......................................260
Mounting a QFX3500 Device in a Rack or Cabinet . . . . . . . . . . . . . . . . . . . . . . . . 261
Connecting Earth Ground to a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . 264
Connecting AC Power to a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Connecting DC Power to a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
Chapter22 CablingtheQFabricSwitch........................................271
Interconnecting Two Virtual Chassis for QFabric System Control Plane
Redundancy ...................................................271
Connecting QFX3100 Director Devices in a Director Group . . . . . . . . . . . . . . . . . 274
Connecting QFX3100 Director Devices to the Control Plane Network . . . . . . . . . 275
Connecting a QFX3100 Director Device to a Network for Out-of-Band
Management ..................................................277
Connecting a QFX3008-I Interconnect Device to the Control Plane Network . . 278
Connecting a QFX3500 Node Device to the Control Plane Network . . . . . . . . . . 282
Connecting a QFX3500 Node Device to a QFX3008-I Interconnect Device . . . . 284
Connecting a QFX Series Device to a Management Console . . . . . . . . . . . . . . . . 285
Chapter 23 Performing the Initial Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287
Configuring the QFabric System Initial Setup on a QFX3100 Director Group . . . 287
InitialSetup...................................................288
RestoringaBackupConfiguration..................................291
Part 5 Maintenance
Chapter 24 Removing or Replacing a Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295
Powering Off a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295
Powering Off a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . . . . . . . . . 296
PoweringOffaQFX3500Device.....................................298
Removing a QFX3100 Director Device from a Rack or Cabinet . . . . . . . . . . . . . . 299
Removing a QFX3008-I Interconnect Device from a Rack or Cabinet . . . . . . . . 300
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Removing a QFX3500 Device from a Rack or Cabinet . . . . . . . . . . . . . . . . . . . . . 302
Replacing a QFX3100 Director Device in a QFX3000-G QFabric System . . . . . . 303
Adding or Replacing a QFX3008-I Interconnect Device in a QFX3000-G QFabric
System ......................................................304
Adding or Replacing a QFX3500 Node Device in a QFX3000-G QFabric
System ......................................................306
Chapter 25 Replacing QFX3100 Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309
Installing and Removing QFX3100 Director Device Hardware Components . . . 309
Removing a Power Supply from a QFX3100 Director Device . . . . . . . . . . . . . . . . 310
Installing a Power Supply in a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . 311
Removing a Fan Module from a QFX3100 Director Device . . . . . . . . . . . . . . . . . . 312
Installing a Fan Module in a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . 314
Removing a Network Module from a QFX3100 Director Device . . . . . . . . . . . . . . 315
Installing a Network Module in a QFX3100 Director Device . . . . . . . . . . . . . . . . . 316
Removing an HDD Module from a QFX3100 Director Device . . . . . . . . . . . . . . . . 317
Installing an HDD Module in a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . 318
Chapter 26 Replacing QFX3008-I Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
Installing and Removing QFX3008-I Interconnect Device Hardware
Components ..................................................322
Removing an AC Power Supply from a QFX3008-I Interconnect Device . . . . . . 323
Installing an AC Power Supply in a QFX3008-I Interconnect Device . . . . . . . . . . 324
Removing a Wiring Tray from a QFX3008-I Interconnect Device . . . . . . . . . . . . 326
Installing a Wiring Tray in a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . 328
Removing a Bottom Fan Tray and Front Panel Display from a QFX3008-I
Interconnect Device............................................329
Installing a Bottom Fan Tray and Front Panel Display in a QFX3008-I Interconnect
Device........................................................331
Removing a Side Fan Tray from a QFX3008-I Interconnect Device . . . . . . . . . . . 332
Installing a Side Fan Tray in a QFX3008-I Interconnect Device . . . . . . . . . . . . . . 334
Removing a Top Fan Tray from a QFX3008-I Interconnect Device . . . . . . . . . . . 336
Installing a Top Fan Tray in a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . 337
Removing a Bottom Air Filter from a QFX3008-I Interconnect Device . . . . . . . . 338
Installing a Bottom Air Filter in a QFX3008-I Interconnect Device . . . . . . . . . . . 340
Removing a Side Air Filter from a QFX3008-I Interconnect Device . . . . . . . . . . . 341
Installing a Side Air Filter in a QFX3008-I Interconnect Device . . . . . . . . . . . . . . 343
Taking a Control Board Offline in a QFX3008-I Interconnect Device . . . . . . . . . 345
Taking a Master Control Board Offline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 346
Taking a Backup Control Board Offline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347
Removing a Control Board from a QFX3008-I Interconnect Device . . . . . . . . . . 347
Installing a Control Board in a QFX3008-I Interconnect Device . . . . . . . . . . . . . 349
Taking a 16-Port QSFP+ Front Card Offline in a QFX3008-I Interconnect
Device........................................................351
Removing a 16-Port QSFP+ Front Card from a QFX3008-I Interconnect
Device .......................................................352
Installing a 16-Port QSFP+ Front Card in a QFX3008-I Interconnect Device . . . 353
Taking the Rear Card Offline in a QFX3008-I Interconnect Device . . . . . . . . . . . 355
Removing a Rear Card from a QFX3008-I Interconnect Device . . . . . . . . . . . . . 356
Installing a Rear Card in a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . 358
Copyright © 2012, Juniper Networks, Inc.x
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Chapter 27 Replacing QFX3500 Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361
Installing and Removing QFX3500 Device Hardware Components . . . . . . . . . . 361
Installing a Power Supply in a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . 362
Removing a Power Supply from a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . 364
Installing a Fan Tray in a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 365
Removing a Fan Tray from a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . 367
Installing a Management Board in a QFX3500 Device . . . . . . . . . . . . . . . . . . . . 368
Removing a Management Board from a QFX3500 Device . . . . . . . . . . . . . . . . . 369
Chapter 28 Replacing Transceivers and Fiber-Optic Cables . . . . . . . . . . . . . . . . . . . . . . 373
Removing a Transceiver from a QFX Series Device . . . . . . . . . . . . . . . . . . . . . . . . 373
Installing a Transceiver in a QFX Series Device . . . . . . . . . . . . . . . . . . . . . . . . . . . 374
Disconnecting a Fiber-Optic Cable from a QFX Series Device . . . . . . . . . . . . . . . 376
Connecting a Fiber-Optic Cable to a QFX Series Device . . . . . . . . . . . . . . . . . . . . 377
Chapter29 RoutineMaintenance.............................................379
Maintaining the Air Filters in a QFX3008-I Interconnect Device . . . . . . . . . . . . . 379
Maintaining Fiber-Optic Cables in a QFX Series Device . . . . . . . . . . . . . . . . . . . . 379
Chapter 30 Viewing QFX3100 System Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 381
Chassis Status LEDs on a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . . . 381
Management Port LEDs on a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . 382
Network Module Port LEDs on a QFX3100 Director Device . . . . . . . . . . . . . . . . . 383
AC Power Supply LED on a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . 384
Chapter 31 Viewing QFX3008-I System Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 387
Chassis Status LEDs on a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . 387
Control Board LEDs on a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . 389
16-Port QSFP+ Front Card LEDs on a QFX3008-I Interconnect Device . . . . . . . . 391
Rear Card LEDs on a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . . . . . 393
AC Power Supply LEDs on a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . 394
Wiring Tray LEDs on a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . . . . 395
Chapter 32 Viewing QFX3500 System Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 397
Chassis Status LEDs on a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 397
Management Port LEDs on a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . 398
Access Port and Uplink Port LEDs on a QFX3500 Device . . . . . . . . . . . . . . . . . . 399
FanTrayLEDonaQFX3500Device...................................401
AC Power Supply LEDs on a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . 402
DC Power Supply LEDs on a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . 403
xiCopyright © 2012, Juniper Networks, Inc.
Table of Contents

Part 6 Troubleshooting
Chapter33 Restoring JunosOS..............................................407
Creating an Emergency Boot Device for a QFX Series Device . . . . . . . . . . . . . . . 407
Performing a Recovery Installation on a QFX3500 Device and QFX3008-I
InterconnectDevice............................................409
Performing a QFabric Switch Recovery Installation on the Director Group . . . . . 410
Performing a Recovery Installation Using a Juniper Networks External USB
Flash Drive with Preloaded Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . 411
Performing a Recovery Installation Using a Juniper Networks External Blank
USBFlashDrive............................................415
Performing a Recovery Installation of the Director Group . . . . . . . . . . . . . . . . . . 420
Chapter34 ReturningHardware..............................................423
Returning a QFX3100 Director Device or Component for Repair or
Replacement..................................................423
Locating the Serial Number on a QFX3100 Director Device or Component . . . . 424
Listing the Chassis and Components Details with the CLI . . . . . . . . . . . . . . 424
Locating the Serial Number ID Label on a QFX3100 Director Device . . . . . . 424
Locating Serial Number ID Labels on FRU Components . . . . . . . . . . . . . . . . 425
Packing a QFX3100 Director Device or Component for Shipping . . . . . . . . . . . . 425
Packing a QFX3100 Director Device for Shipping . . . . . . . . . . . . . . . . . . . . . 426
Packing QFX3100 Director Device Components for Shipping . . . . . . . . . . . 426
Returning a QFX3008-I Interconnect Device or Component for Repair or
Replacement..................................................427
Locating the Serial Number on a QFX3008-I Interconnect Device or
Component ...................................................427
Listing the Chassis and Component Details with the CLI . . . . . . . . . . . . . . . 428
Packing a QFX3008-I Interconnect Device or Component for Shipping . . . . . . . 428
Packing a QFX3008-I Interconnect Device for Shipping . . . . . . . . . . . . . . . 429
Packing QFX3008-I Interconnect Device Components for Shipping . . . . . . 430
Returning a QFX3500 Device or Component for Repair or Replacement . . . . . . 430
Locating the Serial Number on a QFX3500 Device or Component . . . . . . . . . . . 431
Listing the Chassis and Components Details Using the CLI . . . . . . . . . . . . . 431
Locating the Chassis Serial Number ID Label on a QFX3500 Device . . . . . . 432
Locating the Serial Number ID Labels on FRU Components . . . . . . . . . . . . 432
Packing a QFX3500 Device or Component for Shipping . . . . . . . . . . . . . . . . . . . 432
Packing a QFX3500 Device for Shipping . . . . . . . . . . . . . . . . . . . . . . . . . . . . 433
Packing QFX3500 Device Components for Shipping . . . . . . . . . . . . . . . . . . 434
Contacting Customer Support to Obtain a Return Materials Authorization for a
QFXSeriesDeviceorComponent.................................435
Chapter 35 Alarms and System Log Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 437
UnderstandingAlarms..............................................437
Chassis Alarm Messages on a QFX3008-I Interconnect Device . . . . . . . . . . . . . 438
Chassis Alarm Messages on a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . 442
InterfaceAlarmMessages...........................................445
Copyright © 2012, Juniper Networks, Inc.xii
QFX3000 Hardware Documentation

List of Figures
Part 1 Overview
Chapter 1 QFX3000 QFabric Switch Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Figure 1: Legacy Data Center Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Figure 2: QFX Series QFabric System Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 3: QFabric System Hardware Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 4: External Routing Engine Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 5: Clos Switching for Interconnect Devices . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 6: QFX3008-I Data Plane and Control Plane Connections . . . . . . . . . . . . . 16
Figure 7: QFX3500 Data Plane and Control Plane Connections . . . . . . . . . . . . . . . 18
Chapter2 QFX3100 Overview ................................................21
Figure 8: QFX3100 Director Device Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 9: QFX3100 Director Device Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 10: QFX3100 Director Device Front Panel View . . . . . . . . . . . . . . . . . . . . . . 26
Figure 11: QFX3100 Director Device Rear Panel View . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 12: Airflow Through the QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . 28
Figure 13: Network Module in a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . 29
Figure14:FanModule...............................................30
Figure15:ACPowerSupplies..........................................31
Chapter3 QFX3008-IOverview..............................................33
Figure 16: QFX3008-I Interconnect Device Front . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 17: QFX3008-I Interconnect Device Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure18:ChassisStatusLEDs........................................43
Figure 19: QFX3008-I Interconnect Device Front . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Figure 20: Location of Bottom and Side Fan Trays . . . . . . . . . . . . . . . . . . . . . . . . . 45
Figure21:LocationofTopFanTray.....................................46
Figure 22: Airflow Through the Front Card Cage and Powerhouse . . . . . . . . . . . . . 47
Figure 23: Airflow Through the Rear Card Cage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Figure24:16-PortQSFP+FrontCard...................................49
Figure 25: Control Board in a QFXC08 Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Figure 26: Rear Card in a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . . . 51
Figure27:ACPowerSupply...........................................53
Figure28:Single-PhaseWiringTray....................................56
Figure29:Three-PhaseWiringTray....................................56
Chapter4 QFX3500 Overview ...............................................59
Figure30:QFX3500DeviceFront......................................60
Figure31:QFX3500DeviceRear.......................................61
Figure 32: SFP+ Access Port Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Figure 33: QSFP+ Uplink Port Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
xiiiCopyright © 2012, Juniper Networks, Inc.

Figure 34: QFX3500 Device Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Figure35:QFX3500DeviceFront......................................66
Figure 36: QFX3500 Device Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Figure 37: Fan Tray for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Figure 38: Management Board for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . 68
Figure 39: FRU-Side-to-Port-Side Airflow Through the QFX3500 Chassis . . . . . 69
Figure 40: Port-Side-to-FRU-Side Airflow Through the QFX3500 Chassis . . . . . 70
Figure 41: Label Identifying Airflow Direction on Power Supply Handle . . . . . . . . . 70
Figure 42: Management Board for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . 72
Figure 43: AC Power Supply in QFX3500 Devices . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Figure 44: Label Identifying Airflow Direction on Power Supply Handle . . . . . . . . 74
Figure 45: DC Power Supply for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . 75
Figure 46: DC Power Supply Faceplate for a QFX3500 Device . . . . . . . . . . . . . . . 76
Figure 47: Label Identifying Airflow Direction on Power Supply Handle . . . . . . . . . 76
Part 2 Planning
Chapter 6 Rack and Cabinet Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Figure 48: Airflow Through the QFX3100 Director Device . . . . . . . . . . . . . . . . . . 100
Figure 49: Airflow Through the Front Card Cage and Powerhouse . . . . . . . . . . . . 101
Figure 50: Airflow Through the Rear Card Cage . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Figure 51: Clearance Requirements for Airflow and Hardware Maintenance for
aQFX3008-IInterconnectDevice.................................102
Figure 52: Clearance Requirements for Airflow and Hardware Maintenance for
QFX3500Devices..............................................103
Chapter 9 Planning QFX3100 Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Figure53:ACPlugTypes............................................136
Chapter 11 Planning QFX35000 Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Figure54:ACPlugTypes............................................148
Part 3 Safety
Chapter 16 Power and Electrical Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Figure 55: Place a Component into an Antistatic Bag . . . . . . . . . . . . . . . . . . . . . . 193
Part 4 Installation
Chapter 18 Installing a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Figure 56: Unpacking a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . . . . . 214
Figure 57: Mounting the QFX3100 Director Device on Two Posts in a Rack . . . . . 216
Figure 58: Mounting a QFX3100 Director Device on Four Posts in a Rack or
Cabinet.......................................................218
Figure 59: Connecting an AC Power Cord to an AC Power Supply in a QFX3100
DirectorDevice................................................220
Chapter 19 Installing a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . . . . . . . . . 223
Figure 60: Installing the Mounting Hardware for a Four-Post Rack or Cabinet . . 228
Figure 61: Installing the Mounting Hardware for a Two-Post Rack . . . . . . . . . . . . 232
Figure 62: Installing a QFX3008-I Interconnect Device in a Four-Post Rack . . . . 237
Copyright © 2012, Juniper Networks, Inc.xiv
QFX3000 Hardware Documentation

Figure 63: Connecting a Grounding Cable to a QFX3008-I Interconnect
Device .......................................................239
Figure 64: Connecting an AC Power Cord to a Single-Phase Wiring Tray . . . . . . . 241
Figure 65: Assembling a Power Cord Using a 90° Connector . . . . . . . . . . . . . . . 242
Figure 66: Assembling a Power Cord Using a Flat Connector . . . . . . . . . . . . . . . 242
Figure 67: Wye Wiring Tray with a 90° Connector Installed . . . . . . . . . . . . . . . . . 243
Figure 68: Delta Wiring Tray with a Flat Connector Installed . . . . . . . . . . . . . . . . 243
Figure 69: Installing a Three-Phase Wiring Tray with a Power Cord Installed . . . 244
Figure 70: Connecting Power to a Three-Phase Delta AC Power Supply . . . . . . 249
Figure 71: Connecting Power to the Three-Phase Wye Wiring Tray . . . . . . . . . . . 252
Chapter 20 Installing QFX3008-I Optional Components . . . . . . . . . . . . . . . . . . . . . . . . 255
Figure 72: Installing the Cable Management System on a QFX3008-I Interconnect
Device .......................................................256
Figure 73: Installing the Lockable Front Doors on a QFX3008-I Interconnect
Device .......................................................257
Chapter 21 Installing a QFX3500 Node Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
Figure 74: Installing an Installation Blade in a Rack . . . . . . . . . . . . . . . . . . . . . . . 262
Figure 75: Mounting the QFX3500 Device on Four Posts in a Rack . . . . . . . . . . . 263
Figure 76: Connecting a Grounding Cable to a QFX3500 Device . . . . . . . . . . . . . 265
Figure 77: Connecting an AC Power Cord to an AC Power Supply in a QFX3500
Device .......................................................267
Figure 78: DC Power Supply Faceplate for a QFX3500 Device . . . . . . . . . . . . . . 270
Figure 79: Securing Ring Lugs to the Terminals on the DC Power Supply . . . . . . 270
Chapter22 CablingtheQFabricSwitch........................................271
Figure 80: QFabric System Control Plane—Inter-Virtual Chassis LAG
Connections ...................................................271
Figure 81: Connecting a Fiber-Optic Cable to an Optical Transceiver Installed in
anEXSeriesSwitch.............................................273
Figure 82: QFX3100 Director Group Control Plane Connections . . . . . . . . . . . . . 274
Figure 83: QFX3100 Director Group to Virtual Chassis Connections . . . . . . . . . . 276
Figure 84: QFX3008-I Interconnect Device Control Plane Connections . . . . . . . 279
Figure 85: QFX3500 Node Device Control Plane Connections . . . . . . . . . . . . . . 282
Figure 86: Connecting a QFX Series Device to a Management Console Through
aConsoleServer...............................................285
Figure 87: Connecting a QFX Series Device Directly to a Management
Console......................................................286
Part 5 Maintenance
Chapter 25 Replacing QFX3100 Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309
Figure 88: Removing a Power Supply from a QFX3100 Director Device . . . . . . . . 311
Figure 89: Installing a Power Supply in a QFX3100 Director Device . . . . . . . . . . . 312
Figure 90: Removing a Fan Module from a QFX3100 Director Device . . . . . . . . . 313
Figure 91: Installing a Fan Module in a QFX3100 Director Device . . . . . . . . . . . . . 314
Figure 92: Removing a Network Module from a QFX3100 Director Device . . . . . . 316
Figure 93: Installing a Network Module in a QFX3100 Director Device . . . . . . . . . 317
Figure 94: Removing an HDD Module from a QFX3100 Director Device . . . . . . . 318
xvCopyright © 2012, Juniper Networks, Inc.
List of Figures

Figure 95: Installing an HDD Module in a QFX3100 Director Device . . . . . . . . . . . 319
Chapter 26 Replacing QFX3008-I Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
Figure 96: Removing an AC Power Supply from a QFX3008-I Interconnect
Device .......................................................324
Figure 97: Installing an AC Power Supply in a QFX3008-I Interconnect
Device .......................................................326
Figure 98: Removing a Wiring Tray from a QFX3008-I Interconnect Device . . . . 327
Figure 99: Installing a Wiring Tray in a QFX3008-I Interconnect Device . . . . . . . 329
Figure 100: Removing a Bottom Front Fan Tray from a QFX3008-I Interconnect
Device........................................................331
Figure 101: Installing a Bottom Fan Tray in a QFX3008-I Interconnect Device . . 332
Figure 102: Removing a Side Fan Tray from a QFX3008-I Interconnect
Device .......................................................334
Figure 103: Installing a Side Fan Tray in a QFX3008-I Interconnect Device . . . . . 335
Figure 104: Removing a Top Fan Tray from a QFX3008-I Interconnect Device . . 337
Figure 105: Installing a Top Fan Tray in a QFX3008-I Interconnect Device . . . . . 338
Figure 106: Removing a Bottom Air Filter from a QFX3008-I Interconnect
Device .......................................................339
Figure 107: Installing a Bottom Air Filter in a QFX3008-I Interconnect Device . . . 341
Figure 108: Removing a Side Fan Tray from a QFX3008-I Interconnect
Device .......................................................342
Figure 109: Removing a Side Air Filter from a QFX3008-I Interconnect Device
SideFanTray..................................................343
Figure 110: Installing a Side Air Filter in a QFX3008-I Interconnect Device Side
FanTray......................................................344
Figure 111: Installing a Side Fan Tray in a QFX3008-I Interconnect Device . . . . . 345
Figure 112: Removing a Control Board from a QFX3008-I Interconnect Device . . 349
Figure 113: Installing a Control Board in a QFX3008-I Interconnect Device . . . . . 351
Figure 114: Removing a 16-Port Front Card from a QFX3008-I Interconnect
Device .......................................................353
Figure 115: Installing 16-Port QSFP+ Front Card in a QFX3008-I Interconnect
Device .......................................................355
Figure 116: Removing a Rear Card from a QFX3008-I Interconnect Device . . . . . 357
Figure 117: Installing a Rear Card in a QFX3008-I Interconnect Device . . . . . . . . 359
Chapter 27 Replacing QFX3500 Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361
Figure 118: Installing a Power Supply in a QFX3500 Device . . . . . . . . . . . . . . . . . 363
Figure 119: Removing a Power Supply from a QFX3500 Device . . . . . . . . . . . . . . 365
Figure 120: Installing a Fan Tray in a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . 366
Figure 121: Removing a Fan Tray from a QFX3500 Device . . . . . . . . . . . . . . . . . . 368
Figure 122: Installing a Management Board in a QFX3500 Device . . . . . . . . . . . 369
Figure 123: Removing a Management Board from a QFX3500 Device . . . . . . . . 370
Chapter 28 Replacing Transceivers and Fiber-Optic Cables . . . . . . . . . . . . . . . . . . . . . . 373
Figure 124: Installing an SFP Transceiver in a QFX Series Device . . . . . . . . . . . . . 376
Figure 125: Installing a QSFP+ Transceiver in a QFX Series Device . . . . . . . . . . . 376
Chapter 30 Viewing QFX3100 System Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 381
Figure126:ChassisLEDs.............................................381
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QFX3000 Hardware Documentation

Figure 127: LEDs on the Management Port on a QFX3100 Director Device . . . . . 382
Figure 128: Network Module Port LEDs on a QFX3100 Director Device . . . . . . . . 383
Figure 129: AC Power Supply LEDs on a QFX3100 Director Device . . . . . . . . . . . 384
Chapter 31 Viewing QFX3008-I System Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 387
Figure130:ChassisStatusLEDs......................................387
Figure 131: Control Board LEDs on a QFX3008-I Interconnect Device . . . . . . . . . 389
Figure 132: 16-Port QSFP+ Front Card LEDs on a QFX3008-I Interconnect
Device........................................................391
Figure 133: Rear Card LEDs on a QFX3008-I Interconnect Device . . . . . . . . . . . . 393
Figure 134: AC Power Supply LEDs on a QFX3008-I Interconnect Device . . . . . 394
Figure 135: AC Single-Phase Wiring Tray LEDs on a QFX3008-I Interconnect
Device .......................................................395
Figure 136: AC Three-Phase Wiring Tray LEDs on a QFX3008-I Interconnect
Device .......................................................396
Chapter 32 Viewing QFX3500 System Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 397
Figure 137: Chassis Status LEDs on a QFX3500 Device . . . . . . . . . . . . . . . . . . . . 397
Figure 138: Management Port LEDs on a QFX3500 Device . . . . . . . . . . . . . . . . . 399
Figure 139: LEDs on the SFP+ Access Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400
Figure 140: LEDs on the QSFP+ Uplink Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400
Figure 141: Fan Tray LED in a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . 401
Figure 142: Power Supply LEDs in a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . 402
Figure 143: DC Power Supply Faceplate on a QFX3500 Device . . . . . . . . . . . . . . 403
Part 6 Troubleshooting
Chapter34 ReturningHardware..............................................423
Figure 144: Location of the Serial Number ID Label on a QFX3100 Director
Device .......................................................425
Figure 145: Location of the Serial Number ID Label on a QFX3500 Device . . . . . 432
xviiCopyright © 2012, Juniper Networks, Inc.
List of Figures

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List of Tables
AbouttheDocumentation........................................xxiii
Table1:NoticeIcons................................................xxiv
Table 2: Text and Syntax Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiv
Part 1 Overview
Chapter 1 QFX3000 QFabric Switch Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Table 3: Supported QFabric System Hardware Configurations . . . . . . . . . . . . . . . . 9
Chapter2 QFX3100 Overview ................................................21
Table 4: FRUs in a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Table 5: Physical Specifications of the QFX3100 Director Device . . . . . . . . . . . . . 25
Chapter3 QFX3008-IOverview..............................................33
Table 6: FRUs in a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . . . . . . . . 38
Table 7: Physical Specifications of a QFX3008-I Interconnect Device . . . . . . . . . . 41
Table 8: Power Supply Distribution Pairings for a QFX3008-I Interconnect
Device ........................................................54
Chapter4 QFX3500 Overview ...............................................59
Table9:FRUsinaQFX3500Device....................................63
Table 10: Physical Specifications for the QFX3500 Device Chassis . . . . . . . . . . . 64
Table 11: Airflow Direction in QFX3500 Device Models . . . . . . . . . . . . . . . . . . . . . 69
Table 12: Airflow Direction in QFX3500 Device FRUs . . . . . . . . . . . . . . . . . . . . . . . . 71
Table 13: Airfow Direction in QFX3500 Management Boards . . . . . . . . . . . . . . . . . 73
Table 14: Airfow Direction in QFX3500 Power Supplies . . . . . . . . . . . . . . . . . . . . . 74
Table 15: Airflow Direction in QFX3500 Device Power Supplies . . . . . . . . . . . . . . . 77
Part 2 Planning
Chapter5 SitePreparation...................................................81
Table16:SitePreparationChecklist....................................83
Table 17: Site Preparation Checklist for a QFX3008-I Interconnect Device . . . . . . 84
Table18:SitePreparationChecklist....................................86
Table 19: Site Electrical Wiring Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Table 20: QFX3100 Director Device Environmental Tolerances . . . . . . . . . . . . . . . 89
Table 21: QFX3008-I Interconnect Device Environmental Tolerances . . . . . . . . . 90
Table 22: QFX3500 Device Environmental Tolerances . . . . . . . . . . . . . . . . . . . . . . 91
Chapter 6 Rack and Cabinet Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Table 23: Rack Requirements and Specifications for the QFX3100 Director
Device ........................................................94
xixCopyright © 2012, Juniper Networks, Inc.

Table 24: Rack Requirements and Specifications for a QFX3008-I Interconnect
Device ........................................................95
Table 25: Rack Requirements for the QFX3500 Device . . . . . . . . . . . . . . . . . . . . . 96
Table 26: Cabinet Requirements and Specifications for the QFX3100 Director
Device ........................................................97
Table 27: Cabinet Requirements and Specifications for a QFX3008-I Interconnect
Device ........................................................98
Table 28: Cabinet Requirements for the QFX3500 Device . . . . . . . . . . . . . . . . . . 99
Chapter 7 Port and Interface Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Table 29: Console Port Connector Pinouts for the QFX Series . . . . . . . . . . . . . . . 106
Table 30: RJ-45 Management Port Connector Pinouts for QFX3500 Devices . . 107
Table 31: Network Port Connector Pinout Information for a QFX3100 Director
Device .......................................................108
Table 32: Copper Interface Support and Optical Interface Support for
Gigabit Ethernet SFP Transceivers in QFX3500 Devices . . . . . . . . . . . . . . . . 110
Table 33: Optical Interface Support for Fibre Channel SFP+ Transceivers in
QFX3500Devices...............................................113
Table 34: Optical Interface Support for 10-Gigabit Ethernet SFP+ Transceivers
inQFX3500Devices.............................................114
Table 35: Third-Party DAC Cable Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Table 36: SFP+ Passive Direct Attach Copper Cable Specifications . . . . . . . . . . . 119
Table 37: SFP+ Active Direct Attach Copper Cable Specifications . . . . . . . . . . . . 122
Table 38: Interface Support for Gigabit Ethernet SFP Transceivers for Control
PlaneConnections..............................................125
Table 39: Interface Support for 40-Gigabit Ethernet QSFP+ Transceivers in
QFX3000QFabricSystems......................................128
Chapter8 CableSpecifications..............................................129
Table 40: Cable Specifications for QFX3100 Director Device and QFX3500 Node
DeviceControlPlaneConnections.................................129
Table 41: Cable Specifications for Console and Management Connections for
theQFXSeries.................................................130
Table 42: Estimated Values for Factors Causing Link Loss . . . . . . . . . . . . . . . . . . 133
Chapter 9 Planning QFX3100 Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Table 43: AC Power Specifications for a QFX3100 Director Device . . . . . . . . . . . 135
Table 44: AC Power Cord Specifications for a QFX3100 Director Device . . . . . . . 136
Chapter 10 Planning QFX3008-I Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Table 45: AC Power Specifications for a QFX3008-I Interconnect Device with
Single-PhaseWiringTrays........................................137
Table 46: AC Power Specifications for a QFX3008-I Interconnect Device with
Three-PhaseDeltaWiringTrays...................................138
Table 47: AC Power Specifications for a QFX3008-I Interconnect Device with
Three-PhaseWyeWiringTrays....................................138
Table 48: QFX3008-I Interconnect Device Component Power Requirements . . 139
Table 49: AC Power Cord Specifications for a Single-Phase Wiring Tray . . . . . . . 140
Table 50: Three-Phase Delta AC Power Cord Specifications . . . . . . . . . . . . . . . . 142
Table 51: Three-Phase Delta AC Power Cord Specifications . . . . . . . . . . . . . . . . . 143
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QFX3000 Hardware Documentation