Troubleshoot the QFX5240 Switch
IN THIS SECTION
QFX5240 Troubleshoong Resources Overview | 112
QFX5240 Alarm Messages Overview | 113
Chassis Alarm Messages | 114
QFX5240
Troubleshoong Resources Overview
To troubleshoot a QFX5240 problem, you can use:
• Junos Evolved OS CLI
The CLI is the primary tool for controlling and troubleshoong hardware, Junos OS Evolved, roung
protocols, and network connecvity. CLI commands display informaon from roung tables,
informaon specic to roung protocols, and informaon about network connecvity derived from
the ping and traceroute ulies. For informaon about using the CLI to troubleshoot Junos OS
Evolved, see the appropriate Junos OS Evolved conguraon guide.
• Alarms and LEDs on the network ports, management panel, and components
When the Roung Engine detects an alarm condion, it lights the red or yellow alarm LED on the
management panel as appropriate. In addion, you can also use component LEDs and network port
LEDs to troubleshoot the QFX5240 switch. For more informaon, see "QFX5240 Management
Panel" on page 21.
• JTAC
If you need assistance during troubleshoong, you can contact the Juniper Networks Technical
Assistance Center (JTAC) by using the Web or by telephone. If you encounter soware problems, or
problems with hardware components not discussed here, contact JTAC.
• Knowledge Base arcles–Knowledge Base.
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