Juniper QFX Series User Manual

CHAPTER 17
Before You Begin
•
QFX3000-G QFabric System Installation Overview on page 209
QFX3000-G QFabric System Installation Overview
A QFX3000-G QFabric system is formed by interconnecting QFX3500 Node devices,
QFX3008-I Interconnect Devices, and QFX3100 Director devices. Two Virtual Chassis,
composed of four EX4200 switches each, are used to interconnect the control plane
and management network. For more information about the role of each device in the
QFX3000 QFabric system see “Understanding QFX3000-G QFabric System Hardware
Configurations” on page 10.
Before you begin to install the QFX3000 QFabric system:
•
Read “General Safety Guidelines and Warnings” on page 161, with particular attention
to “Chassis Lifting Guidelines for a QFX3008-I Interconnect Device” on page 175.
•
Review “Planning a QFX3000-G QFabric System Deployment” on page 81 and the
topics it references. The installation should not begin until you have completed the
site preparation checklists for each device type:
•
Site Preparation Checklist for a QFX3500 Device on page 86
•
Site Preparation Checklist for a QFX3008-I Interconnect Device on page 84
•
Site Preparation Checklist for a QFX3100 Director Device on page 83
•
Site Preparation Checklist for EX4200 Switches
209Copyright © 2012, Juniper Networks, Inc.

Juniper QFX Series Specifications

General

Category	Switch
Series	QFX
Form Factor	1U, 2U, and modular chassis options
Power Supply	Redundant, hot-swappable power supplies
Cooling	hot-swappable fans
Virtual Chassis	Supported on certain models
Typical Use	Data center, cloud
Operating System	Junos OS
Management	CLI
Key Features	High performance, low latency, automation
Latency	Sub-microsecond latency
Port Density	Varies by model (e.g., QFX5100: up to 48x10GbE + 6x40GbE)