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CHAPTER 5
Troubleshooting
Troubleshooting QFX10000 Modular Chassis
QFX10000 Troubleshooting Resources Overview
Copyright © 2019, Juniper Networks, Inc.
Troubleshooting QFX10000 Modular Chassis on page 249
QFX10000 Troubleshooting Resources Overview on page 249
QFX Series Alarm Messages Overview on page 250
Chassis Alarm Messages on QFX10008 and QFX10016 Modular Chassis
Switches on page 250
To troubleshoot a QFX10000 modular chassis, you use the Junos OS CLI, alarms, and
LEDs on the network ports, management panel, and components.
LEDs—When the Routing Engine detects an alarm condition, it lights the red or yellow
alarm LED on the management panel as appropriate. In addition, you can also use
component LEDs and network port LEDs to troubleshoot the QFX10000. For more
information, see the following topics:
Status Panel on page 37
QFX10000 Routing and Control Board LEDs on page 68
QFX10000 Line Card LEDs on page 112
QFX10000 Fan Tray LEDs and Fan Tray Controller LEDs on page 45
"QFX10000 AC Power Supply LEDs" on page 57
LEDs on page 61
CLI—The CLI is the primary tool for controlling and troubleshooting hardware, Junos
OS, routing protocols, and network connectivity. CLI commands display information
from routing tables, information specific to routing protocols, and information about
network connectivity derived from the ping and traceroute utilities. For information
about using the CLI to troubleshoot Junos OS, see the appropriate Junos OS
configuration guide.
JTAC—If you need assistance during troubleshooting, you can contact the Juniper
Networks Technical Assistance Center (JTAC) by using the Web or by telephone. If
and
QFX10000 DC Power Supply
249
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