CHAPTER 5
Troubleshooting Hardware
•
Troubleshooting the QFX5110 on page 125
Troubleshooting the QFX5110
•
QFX5110 Troubleshooting Resources Overview on page 125
•
QFX Series Alarm Messages Overview on page 126
•
Chassis Alarm Messages on page 126
QFX5110 Troubleshooting Resources Overview
To troubleshoot a QFX5110, 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 QFX5210. For more
information, see the following topics:
•
QFX5110 Chassis Status LEDs on page 37
•
QFX5110 Management Port LEDs on page 36
•
QFX5110 Network Port LEDs on page 32
•
QFX5110 Fan Module LED on page 44
•
“QFX5110 AC Power Supply LEDs” on page 48 and QFX5110 DC Power Specifications
on page 51
•
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
125Copyright © 2019, Juniper Networks, Inc.
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