Juniper QFX5100 - Page 5

Interface Specifications for QSFP+ to SFP+ Active Optical Breakout Cables for
the QFX5100 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Interface Specifications for QSFP+ DAC Breakout Cables for the QFX Series . . . 135
Interface Specifications for QSFP+ DAC Cables for the QFX Series . . . . . . . . . . 140
Chapter 9 Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Cable Specifications for QSFP+ and QSFP28 Transceivers . . . . . . . . . . . . . . . . . 147
Cable Specifications for Console and Management Connections for the QFX
Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Understanding QFX Series Fiber-Optic Cable Signal Loss, Attenuation, and
Dispersion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Signal Loss in Multimode and Single-Mode Fiber-Optic Cables . . . . . . . . . . 150
Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . 150
Calculating the Fiber-Optic Cable Power Budget for a QFX Series Device . . . . . . 151
Calculating the Fiber-Optic Cable Power Margin for a QFX Series Device . . . . . . 152
Copper Cable Specifications for QFX5100-48T Switches . . . . . . . . . . . . . . . . . . 153
Part 3 Initial Installation and Configuration
Chapter 10 Unpacking the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Unpacking a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Chapter 11 Installing the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Installing and Connecting a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Mounting a QFX5100 Device in a Rack or Cabinet . . . . . . . . . . . . . . . . . . . . . . . . 160
Before You Begin Rack Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Four-Post Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Two -Post Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Virtual Chassis Fabric Installation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Chapter 12 Connecting the Switch to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Connecting Earth Ground to a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Connecting AC Power to a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Connecting DC Power to a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
Chapter 13 Connecting the Switch to the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Connecting a QFX Series Device to a Management Console . . . . . . . . . . . . . . . . 179
Connecting a QFX5100 Device to a Network for Out-of-Band Management . . . 180
Connecting QFX Series and EX Series Switches in a QFX Virtual Chassis . . . . . . 181
Before You Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Valid Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
Cabling QFX3500 Switches in a QFX Virtual Chassis . . . . . . . . . . . . . . . . . . 183
Cabling QFX3600 Switches in a QFX Virtual Chassis . . . . . . . . . . . . . . . . . . 184
Cabling a Mixed QFX Virtual Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Connecting a QFX5100 Device in a Virtual Chassis Fabric . . . . . . . . . . . . . . . . . . 187
Chapter 14 Performing Initial Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Configuring a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
vCopyright © 2016, Juniper Networks, Inc.
Table of Contents