Juniper EX3300 Manuale utente

Categoria
Networking
Tipo
Manuale utente
EX3300 Switch Hardware Guide
Modified: 2016-12-13
Copyright © 2016, Juniper Networks, Inc.
Juniper Networks, Inc.
1133 Innovation Way
Sunnyvale, California 94089
USA
408-745-2000
www.juniper.net
Copyright © 2016, Juniper Networks, Inc. All rights reserved.
Juniper Networks, Junos, Steel-Belted Radius, NetScreen, and ScreenOS are registered trademarks of Juniper Networks, Inc. in the United
States and other countries. The Juniper Networks Logo, the Junos logo, and JunosE are trademarks of Juniper Networks, Inc. All other
trademarks, service marks, registered trademarks, or registered service marks are the property of their respective owners.
Juniper Networks assumes no responsibility for any inaccuracies in this document. Juniper Networks reserves the right to change, modify,
transfer, or otherwise revise this publication without notice.
EX3300 Switch Hardware Guide
Copyright © 2016, Juniper Networks, Inc.
All rights reserved.
The information in this document is current as of the date on the title page.
YEAR 2000 NOTICE
Juniper Networks hardware and software products are Year 2000 compliant. Junos OS has no known time-related limitations through the
year 2038. However, the NTP application is known to have some difficulty in the year 2036.
END USER LICENSE AGREEMENT
The Juniper Networks product that is the subject of this technical documentation consists of (or is intended for use with) Juniper Networks
software. Use of such software is subject to the terms and conditions of the End User License Agreement (“EULA”) posted at
http://www.juniper.net/support/eula.html. By downloading, installing or using such software, you agree to the terms and conditions of
that EULA.
Copyright © 2016, Juniper Networks, Inc.ii
Table of Contents
About the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
Documentation and Release Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
Supported Platforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
Documentation Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
Documentation Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix
Requesting Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xx
Self-Help Online Tools and Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . xx
Opening a Case with JTAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xx
Part 1 Overview
Chapter 1 System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
EX3300 Switches Hardware Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
EX3300 Switches First View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Uplink Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Power over Ethernet Plus Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
EX3300 Switch Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
EX3300 Switch Hardware and CLI Terminology Mapping . . . . . . . . . . . . . . . . . . . . 5
Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Chassis Physical Specifications for EX3300 Switches . . . . . . . . . . . . . . . . . . . . . . . 9
Front Panel of an EX3300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Rear Panel of an EX3300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
LCD Panel in EX3300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
LCD Panel Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
LCD Panel Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Chassis Status LEDs in EX3300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Management Port LEDs in EX3300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Network Port and Uplink Port LEDs in EX3300 Switches . . . . . . . . . . . . . . . . . . . . 19
Chapter 3 Cooling System and Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Cooling System and Airflow in an EX3300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 23
Airflow Direction in EX3300 Switch Models . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Front-to-Back Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Back-to-Front Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Chapter 4 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Power Supply in EX3300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
iiiCopyright © 2016, Juniper Networks, Inc.
Chapter 5 Viewing System Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Dashboard for EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Graphical Chassis Viewer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
System Information Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Health Status Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Capacity Utilization Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Alarms Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
File System Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Chassis Viewer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Part 2 Site Planning, Preparation, and Specifications
Chapter 6 Preparation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Site Preparation Checklist for EX3300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Environmental Requirements and Specifications for EX Series Switches . . . . . . . 53
General Site Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Site Electrical Wiring Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Chassis Physical Specifications for EX3300 Switches . . . . . . . . . . . . . . . . . . . . . . 58
Rack Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Cabinet Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Requirements for Mounting an EX3300 Switch on a Desktop or Wall . . . . . . . . . . 61
Clearance Requirements for Airflow and Hardware Maintenance for EX3300
Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Chapter 7 Power Specifications and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Power Specifications for EX3300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
AC Power Cord Specifications for EX3300 Switches . . . . . . . . . . . . . . . . . . . . . . . 66
Calculating the EX Series Switch Fiber-Optic Cable Power Budget . . . . . . . . . . . . 67
Calculating the EX Series Switch Fiber-Optic Cable Power Margin . . . . . . . . . . . . 68
Chapter 8 Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Pluggable Transceivers Supported on EX3300 Switches . . . . . . . . . . . . . . . . . . . . 71
Pluggable Transceivers Supported on EX Series Switches . . . . . . . . . . . . . . . . . . 89
SFP+ Direct Attach Copper Cables for EX Series Switches . . . . . . . . . . . . . . . . . . 91
Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Standards Supported by These Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Management Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Understanding EX Series Switches Fiber-Optic Cable Signal Loss, Attenuation,
and Dispersion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable . . . . . . . . . . . 96
Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 97
Chapter 9 Pinout Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Console Port Connector Pinout Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
USB Port Specifications for an EX Series Switch . . . . . . . . . . . . . . . . . . . . . . . . . 100
RJ-45 Management Port Connector Pinout Information . . . . . . . . . . . . . . . . . . . . 101
RJ-45 Port, QSFP+ Port, SFP+ Port, and SFP Port Connector Pinout
Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
RJ-45 to DB-9 Serial Port Adapter Pinout Information . . . . . . . . . . . . . . . . . . . . . 106
Copyright © 2016, Juniper Networks, Inc.iv
EX3300 Switch Hardware Guide
Chapter 10 Planning the Virtual Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Planning EX3300 Virtual Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Understanding EX3300 Virtual Chassis Hardware Configuration . . . . . . . . . . . . 108
Virtual Chassis Cabling Configuration Examples for EX3300 Switches . . . . . . . 108
Part 3 Initial Installation and Configuration
Chapter 11 Unpacking the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Unpacking an EX3300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Parts Inventory (Packing List) for an EX3300 Switch . . . . . . . . . . . . . . . . . . . . . . 114
Registering Products—Mandatory for Validating SLAs . . . . . . . . . . . . . . . . . . . . . 115
Chapter 12 Installing the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Installing and Connecting an EX3300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Mounting an EX3300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Mounting an EX3300 Switch on a Desk or Other Level Surface . . . . . . . . . . . . . . 119
Mounting an EX3300 Switch on Two Posts in a Rack or Cabinet . . . . . . . . . . . . . 120
Mounting an EX3300 Switch on Four Posts in a Rack or Cabinet . . . . . . . . . . . . . 122
Mounting an EX3300 Switch in a Recessed Position in a Rack or Cabinet . . . . . 126
Mounting an EX3300 Switch on a Wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Chapter 13 Connecting the Switch to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Connecting Earth Ground to an EX Series Switch . . . . . . . . . . . . . . . . . . . . . . . . . 131
Parts and Tools Required for Connecting an EX Series Switch to Earth
Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Special Instructions to Follow Before Connecting Earth Ground to a
Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Connecting Earth Ground to an EX Series Switch . . . . . . . . . . . . . . . . . . . . . 136
Connecting AC Power to an EX3300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Connecting DC Power to an EX3300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Chapter 14 Connecting the Switch to the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Connecting a Device to a Network for Out-of-Band Management . . . . . . . . . . . 143
Connecting a Device to a Management Console by Using an RJ-45
Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Connecting a Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Chapter 15 Performing Initial Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
EX3300 Switch Default Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Connecting and Configuring an EX Series Switch (CLI Procedure) . . . . . . . . . . . . 151
Connecting and Configuring an EX Series Switch (J-Web Procedure) . . . . . . . . . 155
Configuring the LCD Panel on EX Series Switches (CLI Procedure) . . . . . . . . . . . 160
Disabling or Enabling Menus and Menu Options on the LCD Panel . . . . . . . 160
Configuring a Custom Display Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Part 4 Installing, Maintaining, and Replacing Components
Chapter 16 Replacing Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Installing a Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Removing a Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
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Chapter 17 Maintaining and Replacing Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . . 171
Connecting a Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Disconnecting a Fiber-Optic Cable from a Device . . . . . . . . . . . . . . . . . . . . . . . . . 172
Maintaining Fiber-Optic Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Chapter 18 Contacting Customer Support and Returning the Chassis or
Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Returning an EX3300 Switch or Component for Repair or Replacement . . . . . . . 175
Locating the Serial Number on an EX3300 Switch or Component . . . . . . . . . . . 175
Listing the Switch and Components Details with the CLI . . . . . . . . . . . . . . . 176
Locating the Chassis Serial Number ID Label on an EX3300 Switch . . . . . . 176
Contacting Customer Support to Obtain Return Material Authorization . . . . . . . 177
Packing an EX3300 Switch or Component for Shipping . . . . . . . . . . . . . . . . . . . . 178
Packing a Switch for Shipping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
Packing Switch Components for Shipping . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Part 5 Troubleshooting
Chapter 19 Alarms and Syslog Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Understanding Alarm Types and Severity Levels on EX Series Switches . . . . . . . 183
Chassis Component Alarm Conditions on EX3300 Switches . . . . . . . . . . . . . . . 184
Checking Active Alarms with the J-Web Interface . . . . . . . . . . . . . . . . . . . . . . . . . 191
Monitoring System Log Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Part 6 Safety and Compliance Information
Chapter 20 General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Definitions of Safety Warning Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Qualified Personnel Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Warning Statement for Norway and Sweden . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Chapter 21 Fire Safety Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Fire Safety Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Chapter 22 Installation Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . 207
Installation Instructions Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Chassis Lifting Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
Restricted Access Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
Ramp Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
Rack-Mounting and Cabinet-Mounting Warnings . . . . . . . . . . . . . . . . . . . . . . . . . 210
Wall-Mounting Warning for EX3300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Grounded Equipment Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Chapter 23 Radiation and Laser Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . 217
Laser and LED Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . 217
General Laser Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Class 1 Laser Product Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218
Class 1 LED Product Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218
Laser Beam Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
Radiation from Open Port Apertures Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
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EX3300 Switch Hardware Guide
Chapter 24 Maintenance and Operational Safety Warnings . . . . . . . . . . . . . . . . . . . . . . 223
Maintenance and Operational Safety Guidelines and Warnings . . . . . . . . . . . . . 223
Battery Handling Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Jewelry Removal Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Lightning Activity Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Operating Temperature Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226
Product Disposal Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Chapter 25 Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . 229
General Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . 229
Action to Take After an Electrical Accident . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
Prevention of Electrostatic Discharge Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
AC Power Electrical Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
AC Power Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
DC Power Electrical Safety Guidelines for Switches . . . . . . . . . . . . . . . . . . . . . . . 234
DC Power Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
DC Power Grounding Requirements and Warning . . . . . . . . . . . . . . . . . . . . . . . . 238
DC Power Wiring Sequence Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
DC Power Wiring Terminations Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Multiple Power Supplies Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . 242
TN Power Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Chapter 26 Agency Approvals and Compliance Statements . . . . . . . . . . . . . . . . . . . . . 245
Agency Approvals for EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245
Compliance Statements for EMC Requirements for EX Series Switches . . . . . . 246
Canada . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246
European Community . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
Israel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
Japan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
Korea . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
United States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
FCC Part 15 Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
Nonregulatory Environmental Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Compliance Statements for Acoustic Noise for EX Series Switches . . . . . . . . . . 250
viiCopyright © 2016, Juniper Networks, Inc.
Table of Contents
Copyright © 2016, Juniper Networks, Inc.viii
EX3300 Switch Hardware Guide
List of Figures
Part 1 Overview
Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 1: Front Panel of an EX3300 Switch with 48 Gigabit Ethernet Ports . . . . . . 10
Figure 2: Front Panel of an EX3300 Switch with 24 Gigabit Ethernet Ports . . . . . . 11
Figure 3: Rear Panel of an EX3300 Switch with an AC Power Supply . . . . . . . . . . 12
Figure 4: Rear Panel of an EX3300 Switch with a DC Power Supply . . . . . . . . . . . 12
Figure 5: LCD Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 6: Chassis Status LEDs in an EX3300 Switch . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 7: LEDs on the Management Port on an EX3300 Switch . . . . . . . . . . . . . . . 18
Figure 8: LEDs on the Network Ports on the Front Panel . . . . . . . . . . . . . . . . . . . . 19
Figure 9: LEDs on the Uplink Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Chapter 3 Cooling System and Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 10: Front-to-Back Airflow Through the EX3300 Switch Chassis . . . . . . . . . 24
Figure 11: Back-to-Front Airflow Through the EX3300 Switch Chassis . . . . . . . . . 25
Part 2 Site Planning, Preparation, and Specifications
Chapter 6 Preparation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Figure 12: Clearance Requirements for Airflow and Hardware Maintenance for
EX3300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Figure 13: Front-to-Back Airflow Through the EX3300 Switch Chassis . . . . . . . . . 62
Figure 14: Back-to-Front Airflow Through the EX3300 Switch Chassis . . . . . . . . . 62
Chapter 7 Power Specifications and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Figure 15: AC Plug Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Chapter 8 Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Figure 16: SFP+ Direct Attach Copper Cables for EX Series Switches . . . . . . . . . . 91
Chapter 10 Planning the Virtual Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Figure 17: EX3300 Switches Mounted on a Single Rack and Connected in a Ring
Topology: Option 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Figure 18: EX3300 Switches Mounted on a Single Rack and Connected in a Ring
Topology: Option 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Figure 19: EX3300 Switches Mounted on a Single Rack and Connected in a Ring:
Option 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Figure 20: EX3300 Switches Mounted on Adjacent Racks and Connected in a
Ring Topology Using Medium and Long Cables: Option 1 . . . . . . . . . . . . . . . . 110
Figure 21: EX3300 Switches Mounted on Adjacent Racks and Connected in a
Ring Topology Using Medium and Long Cables: Option 2 . . . . . . . . . . . . . . . 110
ixCopyright © 2016, Juniper Networks, Inc.
Part 3 Initial Installation and Configuration
Chapter 12 Installing the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Figure 22: Attaching Rubber Feet to a Switch Chassis . . . . . . . . . . . . . . . . . . . . . . 119
Figure 23: Attaching the Mounting Bracket Along the Front of the Switch . . . . . . 121
Figure 24: Mounting the Switch on Two Posts in a Rack . . . . . . . . . . . . . . . . . . . . 122
Figure 25: Attaching the Front-Mounting Bracket to the Side Mounting-Rail . . . 124
Figure 26: Attaching the Side Mounting-Rail to the Switch Chassis . . . . . . . . . . . 124
Figure 27: Mounting the Switch to the Front Posts in a Rack . . . . . . . . . . . . . . . . 125
Figure 28: Sliding the Rear Mounting-Blade into the Side Mounting-Rail . . . . . . 125
Figure 29: Attaching Wall-Mount Brackets to a Switch Chassis . . . . . . . . . . . . . . 127
Figure 30: Measurements for Installing Mounting Screws . . . . . . . . . . . . . . . . . . 128
Figure 31: Mounting the Switch on a Wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Chapter 13 Connecting the Switch to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Figure 32: Connecting the Grounding Lug to a Switch Mounted on Four Posts of
a Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Figure 33: Connecting a Grounding Cable to an EX Series Switch . . . . . . . . . . . . 136
Figure 34: Connecting an AC Power Cord Retainer Clip to the AC Power Cord
Inlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Figure 35: Connecting an AC Power Cord to the AC Power Cord Inlet . . . . . . . . . 139
Figure 36: Securing Ring Lugs to the Terminals on the DC Power Supply . . . . . . . 141
Chapter 14 Connecting the Switch to the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Figure 37: RJ-45 Connector on an Ethernet Cable . . . . . . . . . . . . . . . . . . . . . . . . . 143
Figure 38: Connecting a Device to a Network for Out-of-Band Management . . . 144
Figure 39: RJ-45 Connector on an Ethernet Cable . . . . . . . . . . . . . . . . . . . . . . . . 144
Figure 40: Connecting a Device to a Management Console Through a Console
Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Figure 41: Connecting a Device Directly to a Management Console . . . . . . . . . . . 145
Figure 42: Connecting a Fiber-Optic Cable to an Optical Transceiver Installed in
a Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Chapter 15 Performing Initial Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Figure 43: LCD Panel in an EX3200, EX4200, EX4500, EX4550, or EX8200
Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Figure 44: LCD Panel in an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Part 4 Installing, Maintaining, and Replacing Components
Chapter 16 Replacing Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Figure 45: Installing a Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Figure 46: Removing an SFP, SFP+, XFP, or a QSFP+ Transceiver . . . . . . . . . . . . 169
Chapter 17 Maintaining and Replacing Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . . 171
Figure 47: Connecting a Fiber-Optic Cable to an Optical Transceiver Installed in
a Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Chapter 18 Contacting Customer Support and Returning the Chassis or
Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Figure 48: Location of the Serial Number ID Label on EX3300 Switches . . . . . . . 177
Copyright © 2016, Juniper Networks, Inc.x
EX3300 Switch Hardware Guide
Part 6 Safety and Compliance Information
Chapter 25 Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . 229
Figure 49: Placing a Component into an Antistatic Bag . . . . . . . . . . . . . . . . . . . . 232
xiCopyright © 2016, Juniper Networks, Inc.
List of Figures
Copyright © 2016, Juniper Networks, Inc.xii
EX3300 Switch Hardware Guide
List of Tables
About the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
Table 1: Notice Icons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xviii
Table 2: Text and Syntax Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xviii
Part 1 Overview
Chapter 1 System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Table 3: EX3300 Switch Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Table 4: CLI Equivalents of Terms Used in Documentation for EX3300
Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Table 5: Physical Specifications of the EX3300 Switch Chassis . . . . . . . . . . . . . . . 9
Table 6: LCD Panel Menu Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Table 7: Chassis Status LEDs in an EX3300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 17
Table 8: Link/Activity LED on the Management Port on an EX3300 Switch . . . . . 19
Table 9: Status LED on the Management Port on an EX3300 Switch . . . . . . . . . . 19
Table 10: Link/Activity LED on the Network Ports and Uplink Ports in EX3300
Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Table 11: Status LED on the Network Ports in EX3300 Switches . . . . . . . . . . . . . . 20
Table 12: Status LED on the Uplink Ports in EX3300 Switches . . . . . . . . . . . . . . . . 21
Chapter 3 Cooling System and Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Table 13: Airflow Direction in EX3300 Switch Models . . . . . . . . . . . . . . . . . . . . . . . 23
Chapter 4 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Table 14: Power Consumed by EX3300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Chapter 5 Viewing System Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Table 15: Details of a Virtual Chassis Member Switch . . . . . . . . . . . . . . . . . . . . . . 30
Table 16: Status of a Member Switch in a Virtual Chassis . . . . . . . . . . . . . . . . . . . 30
Table 17: System Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Table 18: Health Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Table 19: Capacity Utilization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Table 20: Chassis Viewer for EX2200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Table 21: Chassis Viewer for EX2200-C and EX2300-C Switches . . . . . . . . . . . . . 37
Table 22: Chassis Viewer for EX2300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Table 23: Chassis Viewer for EX3200, EX3300, and EX4200 Switches . . . . . . . . 39
Table 24: Chassis Viewer for EX3400 and EX4300 Switches . . . . . . . . . . . . . . . . 40
Table 25: Chassis Viewer for EX4500 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Table 26: Chassis Viewer for EX4550 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Table 27: Chassis Viewer for EX6210 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
xiiiCopyright © 2016, Juniper Networks, Inc.
Table 28: Chassis Viewer for EX8208 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Table 29: Chassis Viewer for EX8216 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Table 30: Chassis Viewer for XRE200 External Routing Engines . . . . . . . . . . . . . . 46
Part 2 Site Planning, Preparation, and Specifications
Chapter 6 Preparation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Table 31: Site Preparation Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Table 32: EX Series Switch Environmental Tolerances . . . . . . . . . . . . . . . . . . . . . . 53
Table 33: Site Electrical Wiring Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Table 34: Physical Specifications of the EX3300 Switch Chassis . . . . . . . . . . . . . 58
Table 35: Rack Requirements and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 59
Table 36: Cabinet Requirements and Specifications . . . . . . . . . . . . . . . . . . . . . . . 60
Chapter 7 Power Specifications and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Table 37: AC Power Supply Electrical Specifications for EX3300 Switches . . . . . 65
Table 38: DC Power Supply Electrical Specifications for EX3300 Switches . . . . . 65
Table 39: AC Power Cord Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Table 40: Estimated Values for Factors Causing Link Loss . . . . . . . . . . . . . . . . . 69
Chapter 8 Transceiver and Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Table 41: Optical Interface Support and Copper Interface Support for Gigabit
Ethernet SFP Transceivers in EX3300 Switches . . . . . . . . . . . . . . . . . . . . . . . 72
Table 42: Optical Interface Support for SFP+ Gigabit Ethernet Transceivers in
EX3300 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Table 43: Software Support for SFP+ Passive Direct Attach Copper Cables for
EX Series Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Table 44: SFP+ Direct Attach Copper Cable Specifications . . . . . . . . . . . . . . . . . 93
Table 45: Specifications of Cables to Connect to Management Devices . . . . . . . 96
Chapter 9 Pinout Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Table 46: Console Port Connector Pinout Information . . . . . . . . . . . . . . . . . . . . . 99
Table 47: RJ-45 Management Port Connector Pinout Information . . . . . . . . . . . . 101
Table 48: 10/100/1000BASE-T Ethernet Network Port Connector Pinout
Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Table 49: SFP Network Port Connector Pinout Information . . . . . . . . . . . . . . . . . 102
Table 50: SFP+ Network Port Connector Pinout Information . . . . . . . . . . . . . . . 103
Table 51: QSFP+ Network Port Connector Pinout Information . . . . . . . . . . . . . . . 104
Table 52: RJ-45 to DB-9 Serial Port Adapter Pinout Information . . . . . . . . . . . . . 106
Part 3 Initial Installation and Configuration
Chapter 11 Unpacking the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Table 53: Parts List for an EX3300 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Chapter 13 Connecting the Switch to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Table 54: Parts and Tools Required for Connecting an EX Series Switch to Earth
Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Table 55: Special Instructions to Follow Before Connecting Earth Ground to a
Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Copyright © 2016, Juniper Networks, Inc.xiv
EX3300 Switch Hardware Guide
Part 5 Troubleshooting
Chapter 19 Alarms and Syslog Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Table 56: Alarm Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Table 57: Chassis Component Alarm Conditions on EX3300 Switches . . . . . . . . 185
Table 58: Summary of Key Alarm Output Fields . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Table 59: Filtering System Log Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Table 60: Viewing System Log Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
xvCopyright © 2016, Juniper Networks, Inc.
List of Tables
Copyright © 2016, Juniper Networks, Inc.xvi
EX3300 Switch Hardware Guide
About the Documentation
Documentation and Release Notes on page xvii
Supported Platforms on page xvii
Documentation Conventions on page xvii
Documentation Feedback on page xix
Requesting Technical Support on page xx
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:
EX3300
Documentation Conventions
Table 1 on page xviii defines notice icons used in this guide.
xviiCopyright © 2016, Juniper Networks, Inc.
Table 1: Notice Icons
DescriptionMeaningIcon
Indicates important features or instructions.Informational note
Indicates a situation that might result in loss of data or hardware damage.Caution
Alerts you to the risk of personal injury or death.Warning
Alerts you to the risk of personal injury from a laser.Laser warning
Indicates helpful information.Tip
Alerts you to a recommended use or implementation.Best practice
Table 2 on page xviii defines the text and syntax conventions used in this guide.
Table 2: Text and Syntax Conventions
ExamplesDescriptionConvention
To enter configuration mode, type the
configure command:
user@host> configure
Represents text that you type.Bold text like this
user@host> show chassis alarms
No alarms currently active
Represents output that appears on the
terminal screen.
Fixed-width text like this
A policy term is a named structure
that defines match conditions and
actions.
Junos OS CLI User Guide
RFC 1997, BGP Communities Attribute
Introduces or emphasizes important
new terms.
Identifies guide names.
Identifies RFC and Internet draft titles.
Italic text like this
Configure the machine’s domain name:
[edit]
root@# set system domain-name
domain-name
Represents variables (options for which
you substitute a value) in commands or
configuration statements.
Italic text like this
Copyright © 2016, Juniper Networks, Inc.xviii
EX3300 Switch Hardware Guide
Table 2: Text and Syntax Conventions (continued)
ExamplesDescriptionConvention
To configure a stub area, include the
stub statement at the [edit protocols
ospf area area-id] hierarchy level.
The console port is labeledCONSOLE.
Represents names of configuration
statements, commands, files, and
directories; configuration hierarchy levels;
or labels on routing platform
components.
Text like this
stub <default-metric metric>;Encloses optional keywords or variables.< > (angle brackets)
broadcast | multicast
(string1 | string2 | string3)
Indicates a choice between the mutually
exclusive keywords or variables on either
side of the symbol. The set of choices is
often enclosed in parentheses for clarity.
| (pipe symbol)
rsvp { # Required for dynamic MPLS onlyIndicates a comment specified on the
same line as the configuration statement
to which it applies.
# (pound sign)
community name members [
community-ids ]
Encloses a variable for which you can
substitute one or more values.
[ ] (square brackets)
[edit]
routing-options {
static {
route default {
nexthop address;
retain;
}
}
}
Identifies a level in the configuration
hierarchy.
Indention and braces ( { } )
Identifies a leaf statement at a
configuration hierarchy level.
; (semicolon)
GUI Conventions
In the Logical Interfaces box, select
All Interfaces.
To cancel the configuration, click
Cancel.
Represents graphical user interface (GUI)
items you click or select.
Bold text like this
In the configuration editor hierarchy,
select Protocols>Ospf.
Separates levels in a hierarchy of menu
selections.
> (bold right angle bracket)
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xixCopyright © 2016, Juniper Networks, Inc.
About the Documentation
E-mail—Send your commentsto techpubs-comments@juniper.net. Include the document
or topic name, URL or page number, and software version (if applicable).
Requesting Technical Support
Technical product support is available through the Juniper Networks Technical Assistance
Center (JTAC). If you are a customer with an active J-Care or Partner Support Service
support contract, or are covered under warranty, and need post-sales technical support,
you can access our tools and resources online or open a case with JTAC.
JTAC policies—For a complete understanding of our JTAC procedures and policies,
review the JTAC User Guide located at
http://www.juniper.net/us/en/local/pdf/resource-guides/7100059-en.pdf.
Product warranties—For product warranty information, visit
http://www.juniper.net/support/warranty/.
JTAC hours of operation—The JTAC centers have resources available 24 hours a day,
7 days a week, 365 days a year.
Self-Help Online Tools and Resources
For quick and easy problem resolution, Juniper Networks has designed an online
self-service portal called the Customer Support Center (CSC) that provides you with the
following features:
Find CSC offerings: http://www.juniper.net/customers/support/
Search for known bugs: http://www2.juniper.net/kb/
Find product documentation: http://www.juniper.net/techpubs/
Find solutions and answer questions using our Knowledge Base: http://kb.juniper.net/
Download the latest versions of software and review release notes:
http://www.juniper.net/customers/csc/software/
Search technical bulletins for relevant hardware and software notifications:
http://kb.juniper.net/InfoCenter/
Join and participate in the Juniper Networks Community Forum:
http://www.juniper.net/company/communities/
Open a case online in the CSC Case Management tool: http://www.juniper.net/cm/
To verifyservice entitlement by product serial number, use our Serial Number Entitlement
(SNE) Tool: https://tools.juniper.net/SerialNumberEntitlementSearch/
Opening a Case with JTAC
You can open a case with JTAC on the Web or by telephone.
Use the Case Management tool in the CSC at http://www.juniper.net/cm/.
Call 1-888-314-JTAC (1-888-314-5822 toll-free in the USA, Canada, and Mexico).
Copyright © 2016, Juniper Networks, Inc.xx
EX3300 Switch Hardware Guide
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Juniper EX3300 Manuale utente

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Networking
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