Troubleshooting Hardware; Troubleshooting The Mx480; Troubleshooting Resources For Mx480 Routers; Command-Line Interface - Juniper MX480 Hardware Manual

CHAPTER 5

Troubleshooting Hardware

Troubleshooting the MX480

Troubleshooting Resources for MX480 Routers

Copyright © 2019, Juniper Networks, Inc.
Troubleshooting the MX480 on page 353
Troubleshooting Resources for MX480 Routers on page 353
Troubleshooting the MX480 Cooling System on page 355
Troubleshooting the MX480 DPCs on page 356
Troubleshooting the MX480 FPCs on page 357
Troubleshooting the MX480 MICs on page 360
Troubleshooting the MX480 MPCs on page 360
Troubleshooting the MX480 PICs on page 362
Troubleshooting the MX480 Power System on page 363
Command-Line Interface on page 353
Chassis and Interface Alarm Messages on page 354
Alarm Relay Contacts on page 354
Craft Interface LEDs on page 354
Component LEDs on page 355
Juniper Networks Technical Assistance Center on page 355

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 information from routing tables, information specific
to routing protocols, and information about network connectivity derived from the
and utilities.
traceroute
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.
ping
353