Juniper QFX Series User Manual

Figure 111: Installing a Side Fan Tray in a QFX3008-I Interconnect Device
g050121
Related
Documentation
Removing a Side Air Filter from a QFX3008-I Interconnect Device on page 341•
• Maintaining the Air Filters in a QFX3008-I Interconnect Device on page 379
• Cooling System and Airflow in a QFX3008-I Interconnect Device on page 44
Taking a Control Board Offline in a QFX3008-I Interconnect Device
If you are going to remove a Control Board from a QFX3008-I Interconnect device, take
the Control Board offline before you remove it to preserve its configuration.
The Control Board performs Routing Engine functions in a QFX3008-I Interconnect
device. There are two Control Boards installed in a QFX3008-I Interconnect device.
CAUTION: When you switch Control Board mastership, or when a master
Control Board fails, no data traffic is forwarded over the QFX3008-I
Interconnect device. Data traffic over other QFX3008-I Interconnect devices
in your QFX3000 QFabric system is not disrupted.
NOTE: We recommend that youtake the backupControlBoardoffline before
removing it.
Before you offline a Control Board:
345Copyright © 2012, Juniper Networks, Inc.
Chapter 26: Replacing QFX3008-I Components

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)