Srx5K-Re-1800X4 Routing Engine Boot Sequence; Srx5400 Services Gateway Component Redundancy; Related; Documentation - Juniper SRX5400 Hardware Manual

SRX5K-RE-1800X4 Routing Engine Boot Sequence

Related

Documentation

SRX5400 Services Gateway Component Redundancy

Copyright © 2017, Juniper Networks, Inc.
–Connects the Routing Engine to a laptop, modem, or other auxiliary device through
AUX
a serial cable with an RJ-45 connector.
CONSOLE –Connects the Routing Engine to a system console through a serial cable
with an RJ-45 connector.
–Connects the Routing Engine through an Ethernet connection to a
ETHERNET
management LAN (or any other device that plugs into an Ethernet connection) for
out-of-band management. The port uses an autosensing RJ-45 connector to support
10/100/1000 Mbps connections. Two small LEDs on the bottom of the port indicate
the connection in use: the LED flashes yellow or green for a 10/100/1000 Mbps
connection, and the LED is light green when traffic is passing through the port.
The solid-state drive (SSD) slots located on the Routing Engine provide secondary storage
for log files, for generating core files, and for rebooting the system if the CompactFlash
card fails. Currently, SRX5K-RE-1800X4 only supports one 128-GB SSD.
The services gateway is shipped with three copies of the Junos OS preinstalled on the
Routing Engine in the following locations:
On the CompactFlash card in the Routing Engine
On the SSD in the Routing Engine
On a USB flash drive that can be inserted into the slot on the Routing Engine faceplate
The Routing Engine boots from the storage media in this order: the USB device (if present),
the CompactFlash card, the solid-state drive (SSD), and then the LAN. Normally, the
services gateway boots from the copy of the software on the CompactFlash card.
Switch Control Board SRX5K-SCBE Overview on page 10
Replacing a CompactFlash Card in an SRX5K-RE-1800X4 Routing Engine
Replacing a Solid-State Drive in an SRX5K-RE-1800X4 Routing Engine
The following major hardware components are redundant:
Power supplies—In the low-line (110 V) AC power configuration, the device contains
two or three AC power supplies (PSUs), located horizontally at the rear of the chassis
in slots through
PEM0 PEM3
components in the device. When two PSUs are present, they share power almost
equally within a fully populated system. Three AC PSUs provide full power redundancy.
If one power supply fails or is removed, the remaining power supplies instantly assume
the entire electrical load without interruption. Two PSUs provide the maximum
configuration with full power for as long as the device is operational.
Chapter 2: Hardware Component Overview
(left to right). Each AC PSU provides power to all
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