Juniper QFX Series User Manual

• Field-Replaceable Units in a QFX3008-I Interconnect Device on page 38
• Slot Numbering for a QFX3008-I Interconnect Device on page 40
Field-Replaceable Units in a QFX3008-I Interconnect Device
Field-replaceable units (FRUs) are device components that you can replace at your site.
The QFX3008-I Interconnect device FRUs except the master Control Board are
hot-insertable and hot-removable: you can remove and replace them without powering
off the device or disrupting the switching function.
NOTE: We recommend that you take some of these components offline
before removing them from the device. See Table 6 on page 38 for details.
Table 6 on page 38 lists the FRUs for the QFX3008-I Interconnect device and actions to
take before removing them.
Table 6: FRUs in a QFX3008-I Interconnect Device
Action to Take Before Removing the ComponentFRU
None.Power supplies
None.Wiring trays
None.Fan trays
None.Air filters
To avoid packet loss you must take the front card offline before removing it. See “Taking a
16-Port QSFP+ Front Card Offline in a QFX3008-I Interconnect Device” on page 351.
16-port QSFP+ front card
•
Master Control Board—We recommend that you switch mastership to the backup Control
Board, and then take the Control Board offline before removing it. Traffic through the
QFX3008-I Interconnect device will be disrupted while the backup Control Board assumes
mastership. See “Taking a Control Board Offline in a QFX3008-I Interconnect Device” on
page 345.
•
BackupControlBoard—We recommend thatyou take the backup ControlBoard offline before
removing it. See “Taking a Control Board Offline in a QFX3008-I Interconnect Device” on
page 345.
Control Boards
To avoid packet loss you must take the rear card offline before removing it. See “Taking the
Rear Card Offline in a QFX3008-I Interconnect Device” on page 355.
Rear card
None. We recommend that you disable the interface using the set interface-name disable
command. See “Disconnecting a Fiber-Optic Cable from a QFX Series Device” on page 376.
Optical transceivers
Copyright © 2012, Juniper Networks, Inc.38
QFX3000 Hardware Documentation

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)