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Juniper QFX3500 User manual

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QFX3500 Device Hardware Documentation
Modified: 2017-10-05
Copyright © 2017, Juniper Networks, Inc.
Juniper Networks, Inc.
1133 Innovation Way
Sunnyvale, California 94089
USA
408-745-2000
www.juniper.net
Copyright © 2017 Juniper Networks, Inc. All rights reserved.
Juniper Networks, the Juniper Networks logo, Juniper, and Junos are registered trademarks of Juniper Networks, Inc. and/or its affiliates in
the United States and other countries. All other trademarks may be property of their respective owners.
Juniper Networks assumes no responsibility for any inaccuracies in this document. Juniper Networks reserves the right to change, modify,
transfer, or otherwise revise this publication without notice.
QFX3500 Device Hardware Documentation
Copyright © 2017 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/. By downloading, installing or using such software, you agree to the terms and conditions of that
EULA.
Copyright © 2017, Juniper Networks, Inc.ii
Table of Contents
About the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
Documentation and Release Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
Supported Platforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
Documentation Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
Documentation Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
Requesting Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xviii
Self-Help Online Tools and Resources . . . . . . . . . . . . . . . . . . . . . . . . . . xviii
Opening a Case with JTAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xviii
Part 1 Overview
Chapter 1 System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
QFX3500 Device Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
SFP+ Access Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
QSFP+ Uplink Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Understanding Redundancy of QFX3500 Device Components and
Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Understanding QFX Series Virtual Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
QFX Virtual Chassis Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
QFX5110 Switches in a Virtual Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
QFX5100 Switches in a Virtual Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
QFX3500 and QFX3600 Switches in a Virtual Chassis . . . . . . . . . . . . . . . . . . 11
EX4300 Switches in a QFX Series Virtual Chassis . . . . . . . . . . . . . . . . . . . . . . 11
Understanding QFX Series Virtual Chassis Components . . . . . . . . . . . . . . . . . . . . . 11
Virtual Chassis Ports (VCPs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Maximum Switch Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Master Routing Engine Role . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Backup Routing Engine Role . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Linecard Role . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Member Switch and Member ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Mastership Priority . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Chassis Physical Specifications for a QFX3500 Chassis . . . . . . . . . . . . . . . . . . . . . 17
Field-Replaceable Units in a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Front Panel of a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Rear Panel of a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Access Port and Uplink Port LEDs on a QFX3500 Device . . . . . . . . . . . . . . . . . . . . 21
Chassis Status LEDs on a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
iiiCopyright © 2017, Juniper Networks, Inc.
Management Board for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Management Port LEDs on a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Chapter 3 Cooling System and Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Cooling System and Airflow for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . 29
Fan Tray LED on a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Chapter 4 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
AC Power Supply for a QFX3500, QFX3600, or QFX3600-I Device . . . . . . . . . . . 35
DC Power Supply for a QFX3500, QFX3600, or QFX3600-I Device . . . . . . . . . . . 37
AC Power Supply LEDs on a QFX3500, QFX3600, or QFX3600-I Device . . . . . . 39
DC Power Supply LEDs on a QFX3500, QFX3600, or QFX3600-I Device . . . . . . 40
Part 2 Site Planning, Preparation, and Specifications
Chapter 5 Preparation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Site Preparation Checklist for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . 45
Environmental Requirements and Specifications for a QFX3500 Device . . . . . . . 46
General Site Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Site Electrical Wiring Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Planning a Virtual Chassis Fabric Deployment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Rack Requirements for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Cabinet Requirements for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Clearance Requirements for Airflow and Hardware Maintenance for a QFX3500
Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Chapter 6 Power Specifications and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
AC Power Specifications for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . 55
AC Power Cord Specifications for a QFX Series Device . . . . . . . . . . . . . . . . . . . . . 56
DC Power Specifications for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Grounding Cable and Lug Specifications for a QFX3500 Device . . . . . . . . . . . . . . 57
Chapter 7 Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Determining Interface Support for the QFX3500 Device . . . . . . . . . . . . . . . . . . . . 59
Cable Specifications for QSFP+ and QSFP28 Transceivers . . . . . . . . . . . . . . . . . 60
Cable Specifications for Console and Management Connections for the QFX
Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Understanding QFX Series Fiber-Optic Cable Signal Loss, Attenuation, and
Dispersion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Signal Loss in Multimode and Single-Mode Fiber-Optic Cables . . . . . . . . . . 63
Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 64
Calculating the Fiber-Optic Cable Power Budget for a QFX Series Device . . . . . . 65
Calculating the Fiber-Optic Cable Power Margin for a QFX Series Device . . . . . . 65
Chapter 8 Pinout Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
USB Port Specifications for the QFX Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Console Port Connector Pinout Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
RJ-45 Management Port Connector Pinout Information . . . . . . . . . . . . . . . . . . . . . 71
Copyright © 2017, Juniper Networks, Inc.iv
QFX3500 Device Hardware Documentation
Part 3 Initial Installation and Configuration
Chapter 9 Unpacking and Mounting the Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Installing and Connecting a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Unpacking a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Mounting a QFX3500 Device in a Rack or Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . 77
Before You Begin Rack Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Two Mounting Rails Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Four Mounting Rails Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Chapter 10 Connecting the QFX3500 Device to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Connecting Earth Ground to a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Connecting AC Power to a QFX3500, QFX3600, or QFX3600-I Device . . . . . . . . 85
Connecting DC Power to a QFX3500, QFX3600, or QFX3600-I Device . . . . . . . . 88
Chapter 11 Connecting the Device to the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Connecting a Device to a Network for Out-of-Band Management . . . . . . . . . . . . 93
Connecting a Device to a Management Console by Using an RJ-45
Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Connecting QFX Series and EX Series Switches in a QFX Virtual Chassis . . . . . . . 95
Before You Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Valid Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Cabling QFX3500 Switches in a QFX5100 Virtual Chassis . . . . . . . . . . . . . . . 97
Cabling QFX3600 Switches in a QFX Virtual Chassis . . . . . . . . . . . . . . . . . . . 99
Cabling a Mixed QFX Virtual Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Connecting a QFX3500 or QFX3600 Switch in a QFX5100 Virtual Chassis
Fabric . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Chapter 12 Performing Initial Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Configuring a QFX3500 Device as a Standalone Switch . . . . . . . . . . . . . . . . . . . 105
Adding a New Switch to an Existing QFX Series Virtual Chassis (CLI
Procedure) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Configuring a QFX Series Virtual Chassis (CLI Procedure) . . . . . . . . . . . . . . . . . . 109
Understanding the Licensing Requirements for a QFX Series Virtual
Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Configuring a QFX Series Virtual Chassis with a Preprovisioned Configuration
File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Configuring a QFX Series Virtual Chassis with a Nonprovisioned Configuration
File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Part 4 Installing, Maintaining, and Replacing Components
Chapter 13 Replacing Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Installing and Removing QFX3500 Device Hardware Components . . . . . . . . . . . 121
Installing a Fan Tray in a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Removing a Fan Tray from a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Installing a Power Supply in a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Removing a Power Supply from a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . 127
Installing a Management Board in a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . 128
Removing a Management Board from a QFX3500 Device . . . . . . . . . . . . . . . . . . 130
vCopyright © 2017, Juniper Networks, Inc.
Table of Contents
Chapter 14 Replacing Transceivers and Fiber-Optic Cables . . . . . . . . . . . . . . . . . . . . . . 133
Installing a Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Removing a Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Connecting a Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Disconnecting a Fiber-Optic Cable from a Device . . . . . . . . . . . . . . . . . . . . . . . . . 139
Maintaining Fiber-Optic Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Chapter 15 Removing the Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Powering Off a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Removing a QFX3500 Device from a Rack or Cabinet . . . . . . . . . . . . . . . . . . . . . 145
Chapter 16 Contacting Customer Support and Returning the Chassis or
Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Returning a QFX3500 Device or Component for Repair or Replacement . . . . . . 147
Locating the Serial Number on a QFX3500 Device or Component . . . . . . . . . . . 148
Listing the Chassis and Component Details Using the CLI . . . . . . . . . . . . . . 148
Locating the Chassis Serial Number ID Label on a QFX3500 Device . . . . . . 149
Locating the Serial Number ID Labels on FRU Components . . . . . . . . . . . . . 149
Packing a QFX3500 Device or Component for Shipping . . . . . . . . . . . . . . . . . . . 149
Packing a QFX3500 Device for Shipping . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Packing QFX3500 Device Components for Shipping . . . . . . . . . . . . . . . . . . . 151
Contacting Customer Support to Obtain a Return Materials Authorization for a
QFX Series Device or Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Part 5 Troubleshooting
Chapter 17 Alarm Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Understanding Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Chassis Alarm Messages on a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Interface Alarm Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Chapter 18 Restoring Junos OS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Creating an Emergency Boot Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Performing a Recovery Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Part 6 Safety and Compliance Information
Chapter 19 General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Definitions of Safety Warning Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Qualified Personnel Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Warning Statement for Norway and Sweden . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Chapter 20 Fire Safety Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Fire Safety Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Chapter 21 Installation and Maintenance Safety Information . . . . . . . . . . . . . . . . . . . . . 177
Installation Instructions Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Chassis Lifting Guidelines for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . 178
Restricted Access Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
Ramp Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180
Copyright © 2017, Juniper Networks, Inc.vi
QFX3500 Device Hardware Documentation
Rack-Mounting and Cabinet-Mounting Warnings . . . . . . . . . . . . . . . . . . . . . . . . 180
Grounded Equipment Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Chapter 22 Radiation and Laser Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Radiation from Open Port Apertures Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Laser and LED Safety Guidelines and Warnings for the QFX Series . . . . . . . . . . . 188
Class 1M Laser Product Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Class 1M Laser Radiation Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Unterminated Fiber-Optic Cable Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Chapter 23 Maintenance and Operational Safety Warnings . . . . . . . . . . . . . . . . . . . . . . . 191
Maintenance and Operational Safety Guidelines and Warnings . . . . . . . . . . . . . . 191
Battery Handling Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Jewelry Removal Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Lightning Activity Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Operating Temperature Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
Product Disposal Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Chapter 24 Power and Electrical Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
General Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . 197
Prevention of Electrostatic Discharge Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Action to Take After an Electrical Accident . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
AC Power Electrical Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
AC Power Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
DC Power Electrical Safety Guidelines for Switches . . . . . . . . . . . . . . . . . . . . . . 202
DC Power Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
DC Power Grounding Requirements and Warning . . . . . . . . . . . . . . . . . . . . . . . . 206
DC Power Wiring Sequence Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
DC Power Wiring Terminations Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Multiple Power Supplies Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . 210
TN Power Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
Chapter 25 Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Agency Approvals for the QFX Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Compliance Statements for EMC Requirements for the QFX Series . . . . . . . . . . 214
Canada . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
European Community . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
Israel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
Japan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
Korea . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
United States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Nonregulatory Environmental Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Statements of Volatility for Juniper Network Devices . . . . . . . . . . . . . . . . . . . . . . 217
viiCopyright © 2017, Juniper Networks, Inc.
Table of Contents
Copyright © 2017, Juniper Networks, Inc.viii
QFX3500 Device Hardware Documentation
List of Figures
Part 1 Overview
Chapter 1 System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Figure 1: QFX3500 Device Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 2: QFX3500 Device Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 3: SFP+ Access Port Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 4: QSFP+ Uplink Port Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 5: QFX3500 Device Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 6: QFX3500 Device Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 7: QFX3500 Device Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 8: LEDs on the SFP+ Access Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 9: LEDs on the QSFP+ Uplink Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 10: Chassis Status LEDs on a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . 23
Figure 11: Management Board for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 12: Management Port LEDs on a QFX3500 Device . . . . . . . . . . . . . . . . . . . 27
Chapter 3 Cooling System and Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 13: Fan Tray for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 14: Management Board for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . 29
Figure 15: FRU-to-Port Airflow Through the QFX3500 Chassis . . . . . . . . . . . . . . . 30
Figure 16: Port-to-FRU Airflow Through the QFX3500 Chassis . . . . . . . . . . . . . . . 31
Figure 17: Label Identifying Airflow Direction on Power Supply Handle . . . . . . . . . 31
Figure 18: Fan Tray LED in a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Chapter 4 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 19: AC Power Supply in QFX3500, QFX3600, or QFX3600-I Devices . . . . 35
Figure 20: An Arrow Icon and AFI Label Identifying Airflow Direction on Power
Supply Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 21: A Fan Icon Identifying Airflow Direction on Power Supply Handle . . . . . 36
Figure 22: DC Power Supply for a QFX3500, QFX3600, or QFX3600-I Device . . . 37
Figure 23: DC Power Supply Faceplate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Figure 24: Label Identifying Airflow Direction on Power Supply Handle . . . . . . . . 39
Figure 25: AC Power Supply LEDs on a QFX3500, QFX3600, or QFX3600-I
Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Figure 26: DC Power Supply Faceplate on a QFX3500, QFX3600, or QFX3600-I
Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Part 2 Site Planning, Preparation, and Specifications
Chapter 5 Preparation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
ixCopyright © 2017, Juniper Networks, Inc.
Figure 27: Clearance Requirements for Airflow and Hardware Maintenance for
a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Chapter 7 Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Figure 28: QSFP+ Uplink Port Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Part 3 Initial Installation and Configuration
Chapter 9 Unpacking and Mounting the Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Figure 29: Installing an Installation Blade in a Rack . . . . . . . . . . . . . . . . . . . . . . . . 79
Figure 30: Mounting the QFX3500 Device on Four Posts in a Rack Using a
Two-Rail Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Figure 31: Attaching a Mounting Rail to the QFX3500 . . . . . . . . . . . . . . . . . . . . . . 80
Figure 32: Slide Mounting Rail onto the Rear Mounting Blade . . . . . . . . . . . . . . . . 81
Chapter 10 Connecting the QFX3500 Device to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Figure 33: Connecting a Grounding Cable to a QFX3500 Device . . . . . . . . . . . . . . 85
Figure 34: Connecting an AC Power Cord to an AC Power Supply in a QFX3500
Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Figure 35: Connecting an AC Power Cord to an AC Power Supply in a QFX3600
or QFX3600-I Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Figure 36: DC Power Supply Faceplate for a QFX3500, QFX3600 or QFX3600-I
Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Figure 37: Securing Ring Lugs to the Terminals on the QFX3500, QFX3600 or
QFX3600-I DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Chapter 11 Connecting the Device to the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Figure 38: RJ-45 Connector on an Ethernet Cable . . . . . . . . . . . . . . . . . . . . . . . . . 93
Figure 39: Connecting a Device to a Network for Out-of-Band Management . . . 94
Figure 40: RJ-45 Connector on an Ethernet Cable . . . . . . . . . . . . . . . . . . . . . . . . . 94
Figure 41: Connecting a Device to a Management Console Through a Console
Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Figure 42: Connecting a Device Directly to a Management Console . . . . . . . . . . . 95
Figure 43: QFX3500 Using the 40G Ports as the VCPs . . . . . . . . . . . . . . . . . . . . . 98
Figure 44: QFX3500 Using the 10G Ports as the VCPs . . . . . . . . . . . . . . . . . . . . . 99
Figure 45: QFX3600 Using the 40G Ports as the VCPs . . . . . . . . . . . . . . . . . . . . 100
Figure 46: QFX3500 and QFX3600 Mixed Using the 40G Ports as the VCPs . . . 100
Figure 47: QFX3500 and QFX3600 Mixed Using Both 40G Ports and 10G Ports
as the VCPs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Figure 48: QFX5100 Master Connecting QFX3600 and QFX3500 Using 40G
Ports as VCPs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Figure 49: Mixed Mode QFX5100 VCF with QFX3500 and QFX3600 Leaf
Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Part 4 Installing, Maintaining, and Replacing Components
Chapter 13 Replacing Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Figure 50: Installing a Fan Tray in a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . 123
Figure 51: Removing a Fan Tray from a QFX3500 Device . . . . . . . . . . . . . . . . . . . 125
Figure 52: Installing a Power Supply in a QFX3500 Device . . . . . . . . . . . . . . . . . . 126
Figure 53: Removing a Power Supply from a QFX3500 Device . . . . . . . . . . . . . . 128
Copyright © 2017, Juniper Networks, Inc.x
QFX3500 Device Hardware Documentation
Figure 54: Installing a Management Board in a QFX3500 Device . . . . . . . . . . . . 129
Figure 55: Removing a Management Board from a QFX3500 Device . . . . . . . . . . 131
Chapter 14 Replacing Transceivers and Fiber-Optic Cables . . . . . . . . . . . . . . . . . . . . . . 133
Figure 56: Installing a Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Figure 57: Removing an SFP, SFP+, XFP, or a QSFP+ Transceiver . . . . . . . . . . . . . 137
Figure 58: Connecting a Fiber-Optic Cable to an Optical Transceiver Installed
in a Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Chapter 16 Contacting Customer Support and Returning the Chassis or
Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Figure 59: Location of the Serial Number ID Label on a QFX3500 Device . . . . . . 149
Part 6 Safety and Compliance Information
Chapter 24 Power and Electrical Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Figure 60: Placing a Component into an Antistatic Bag . . . . . . . . . . . . . . . . . . . . 199
xiCopyright © 2017, Juniper Networks, Inc.
List of Figures
Copyright © 2017, Juniper Networks, Inc.xii
QFX3500 Device Hardware Documentation
List of Tables
About the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
Table 1: Notice Icons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvi
Table 2: Text and Syntax Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvi
Part 1 Overview
Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Table 3: Physical Specifications for the QFX3500 Device Chassis . . . . . . . . . . . . . 17
Table 4: FRUs in a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Table 5: Network Port LEDs on SFP+ Access Ports on a QFX3500 Device . . . . . . 22
Table 6: Uplink Port LEDs on QSFP+ Uplink Ports on a QFX3500 Device . . . . . . . 23
Table 7: Chassis Status LEDs on a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . 24
Table 8: Airfow Direction in QFX3500 Management Boards . . . . . . . . . . . . . . . . . 26
Table 9: Management Port LEDs on a QFX3500 Device . . . . . . . . . . . . . . . . . . . . 27
Chapter 3 Cooling System and Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Table 10: Airflow Direction in QFX3500 Device Models . . . . . . . . . . . . . . . . . . . . . 30
Table 11: Airflow Direction in QFX3500 Device FRUs . . . . . . . . . . . . . . . . . . . . . . . 32
Table 12: Fan Tray LED in a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Chapter 4 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Table 13: Airfow Direction in QFX3500, QFX3600, or QFX3600-I AC Power
Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Table 14: Airflow Direction in QFX3500, QFX3600, and QFX3600-I Device DC
Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Table 15: AC Power Supply LEDs on a QFX3500, QFX3600, or QFX3600-I
Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Table 16: DC Power Supply LEDs on a QFX3500, QFX3600, or QFX3600-I
Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Part 2 Site Planning, Preparation, and Specifications
Chapter 5 Preparation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Table 17: Site Preparation Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Table 18: QFX3500 Device Environmental Tolerances . . . . . . . . . . . . . . . . . . . . . . 47
Table 19: Site Electrical Wiring Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Table 20: Deployment Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Table 21: Rack Requirements for the QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . 51
Table 22: Cabinet Requirements for the QFX3500 Device . . . . . . . . . . . . . . . . . . . 52
Chapter 6 Power Specifications and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Table 23: AC Power Specifications for a QFX3500 Device . . . . . . . . . . . . . . . . . . . 55
xiiiCopyright © 2017, Juniper Networks, Inc.
Table 24: AC Power Cord Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Table 25: DC Power Specifications for a QFX3500 Device . . . . . . . . . . . . . . . . . . . 57
Chapter 7 Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Table 26: QSFP+ and QSFP28 Optical Module Receptacle Pinouts . . . . . . . . . . . 61
Table 27: QSFP+ MPO Fiber-Optic Crossover Cable Pinouts . . . . . . . . . . . . . . . . . 61
Table 28: Cable Specifications for Console and Management Connections for
the QFX Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Table 29: Estimated Values for Factors Causing Link Loss . . . . . . . . . . . . . . . . . . 66
Chapter 8 Pinout Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Table 30: Console Port Connector Pinout Information . . . . . . . . . . . . . . . . . . . . . . 70
Table 31: RJ-45 Management Port Connector Pinout Information . . . . . . . . . . . . . 71
Part 3 Initial Installation and Configuration
Chapter 9 Unpacking and Mounting the Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Table 32: Inventory of Components Supplied with a QFX3500 Device . . . . . . . . . 76
Part 5 Troubleshooting
Chapter 17 Alarm Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Table 33: Alarm Terms and Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Table 34: QFX3500 Chassis Alarm Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Copyright © 2017, Juniper Networks, Inc.xiv
QFX3500 Device Hardware Documentation
About the Documentation
•
Documentation and Release Notes on page xv
•
Supported Platforms on page xv
•
Documentation Conventions on page xv
•
Documentation Feedback on page xvii
•
Requesting Technical Support on page xviii
Documentation and Release Notes
To obtain the most current version of all Juniper Networks
®
technical documentation,
see the product documentation page on the Juniper Networks website at
http://www.juniper.net/techpubs/.
If the information in the latest release notes differs from the information in the
documentation, follow the product Release Notes.
Juniper Networks Books publishes books by Juniper Networks engineers and subject
matter experts. These books go beyond the technical documentation to explore the
nuances of network architecture, deployment, and administration. The current list can
be viewed at http://www.juniper.net/books.
Supported Platforms
For the features described in this document, the following platforms are supported:
•
QFabric System
•
QFX Series
Documentation Conventions
Table 1 on page xvi defines notice icons used in this guide.
xvCopyright © 2017, 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 © 2017, Juniper Networks, Inc.xvi
QFX3500 Device Hardware Documentation
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
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improve the documentation. You can provide feedback by using either of the following
methods:
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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 © 2017, Juniper Networks, Inc.
About the Documentation
•
E-mail—Send yourcommentsto techpubs-comments@juniper.net. Includethe 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:
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Find CSC offerings: http://www.juniper.net/customers/support/
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Search for known bugs: https://prsearch.juniper.net/
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Find product documentation: http://www.juniper.net/documentation/
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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/
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Search technical bulletins for relevant hardware and software notifications:
http://kb.juniper.net/InfoCenter/
•
Join and participate in the Juniper Networks Community Forum:
http://www.juniper.net/company/communities/
•
Open a case online in the CSC Case Management tool: http://www.juniper.net/cm/
To verify service entitlementbyproduct serial number, use our Serial Number Entitlement
(SNE) Tool: https://entitlementsearch.juniper.net/entitlementsearch/
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/.
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Call 1-888-314-JTAC (1-888-314-5822 toll-free in the USA, Canada, and Mexico).
Copyright © 2017, Juniper Networks, Inc.xviii
QFX3500 Device Hardware Documentation
For international or direct-dial options in countries without toll-free numbers, see
http://www.juniper.net/support/requesting-support.html.
xixCopyright © 2017, Juniper Networks, Inc.
About the Documentation
Copyright © 2017, Juniper Networks, Inc.xx
QFX3500 Device Hardware Documentation
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