CHAPTER 30
Troubleshooting Components
•
Troubleshooting Resources for MX480 Routers on page 439
•
Troubleshooting the MX480 Cooling System on page 442
•
Troubleshooting the MX480 DPCs on page 442
•
Troubleshooting the MX480 FPCs on page 444
•
Troubleshooting the MX480 MICs on page 446
•
Troubleshooting the MX480 MPCs on page 447
•
Troubleshooting the MX480 PICs on page 449
•
Troubleshooting the MX480 Power System on page 449
Troubleshooting Resources for MX480 Routers
•
Command-Line Interface on page 439
•
Chassis and Interface Alarm Messages on page 440
•
Alarm Relay Contacts on page 440
•
Craft Interface LEDs on page 440
•
Component LEDs on page 441
•
Juniper Networks Technical Assistance Center on page 441
Command-Line Interface
The Junos OS command-line interface (CLI) is the primary tool for controlling and
troubleshooting router hardware, the Junos OS, routing protocols, and network
connectivity. CLI commands display informationfrom routing tables, information specific
to routing protocols, and information about network connectivity derived from the ping
and traceroute utilities.
You enter CLI commands on one or more external management devices connected to
ports on the Routing Engine.
For information about using the CLI to troubleshoot the Junos OS, see the appropriate
Junos OS configuration guide.
439Copyright © 2017, Juniper Networks, Inc.
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