Qfx10000 Component Redundancy - Juniper QFX10016 Hardware Manual

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QFX10000 Component Redundancy

Copyright © 2017, Juniper Networks, Inc.
NOTE: Line cards, the cable management system, and the SATA solid state
drive are not part of the base or redundant configurations. You must order
them separately.
NOTE: If you want to purchase additional power supplies (AC or DC), SIBs,
or Control Boards for your switch configuration, you must order them
separately.
QFX10016 Chassis Physical Specifications on page 17
QFX10000 Control Board Description on page 27
QFX10000 AC Power Supply on page 43
QFX10000 DC Power Supply on page 46
QFX10016 Switch Interface Board Description on page 51
The QFX10000 is designed so that no single point of failure can cause the entire system
to fail. The following major hardware components in the redundant configuration provide
redundancy:
Control Board—The Control Board consolidates the Routing Engine function with
control plane function in a single unit. The QFX10000 can have one or two Control
Boards. When two Control Boards are installed, one functions as the master and the
other functions as the backup. If the master Control Board (or either of its components)
fails, the backup can take over as the master. See
Description" on page 27.
Switch Interface Boards (SIBs)—The QFX10000 has six SIB slots. Five SIBs are required
for base operation and the sixth SIB provides N+1 redundancy. All six SIBs are active
and can sustain full throughput rate. The fabric plane can tolerate one SIB failure
without any loss of performance. See theQFX10008 Switch Interface Board Description
and "QFX10016 Switch Interface Board Description" on page
Power supplies—The QFX10000 requires three power supplies for minimum operation
(two Control Boards, two fan trays, six SIBs and no line cards). With additional power
supplies, it provides N+1 redundancy for the system. Both AC and DC systems tolerate
a single power supply to fail without system interruption. If one power supply fails in
a fully redundant system, the other power supply can provide full power to the
QFX10000 indefinitely.
Chapter 1: System Overview
"QFX10000 Control Board
51.
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