Troubleshooting The Mx2020 Mpcs - Juniper MX2020 Hardware Manual

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Table of Contents

MX2020 3D Universal Edge Router Hardware Guide

Documentation

Troubleshooting the MX2020 MPCs

For further description of the output from the command, see the

Basics and Services Command Reference

MX2020 Modular Interface Card Description on page 73

Maintaining MX2020 MICs on page 374

Maintaining Cables That Connect to MX2020 MPCs or MICs on page 338

Replacing an MX2020 MIC on page 477

Description: The following LEDs indicate a problem with an MPC:

LED above the MPC is lit.

LED above the MPC is not lit.

To troubleshoot an MPC:

Monitor the green LED labeled

an MPC is seated in an operating router.

The Control Board and Routing Engine (CB-RE) downloads the

MPC software to it under two conditions: The MPC is present when the

CB-RE boots Junos OS, and the MPC is installed and requested online

through the CLI or push button on the front panel. The MPC then runs

diagnostics, during which the

functioning normally, the

Look at the display on the craft interface to check the status of the MPC and the MICs

that are plugged into it.

Verify that the MPC is properly seated in the top and bottom backplanes of the adapter

card (ADC). Check that each knob has been turned clockwise and is tight.

MPC4E 3D 2CGE+8XGE

MPC 3D 16x 10GE

4x 10GE(LAN) SFP+

above the MPC on the craft interface as soon as

LED blinks. When the MPC is online and

LED lights green steadily.

Junos OS System