Maintaining Mx2020 Mpcs - Juniper MX2020 Hardware Manual

3d universal edge router

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Table of Contents

Documentation

Maintaining MX2020 MPCs

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

and Services Command Reference

Tools and Parts Required to Maintain the MX2020 Hardware Components on page 193

MX2020 Modular Interface Card Description on page 73

Maintaining the MX2020 Ethernet Switch on page 357

MX2020 Modular Interface Card LEDs on page 78

Troubleshooting the MX2020 MICs on page 537

Replacing an MX2020 MIC on page 477

The router can have up to 20 Modular Port Concentrators (MPCs) mounted vertically in

the MPC card cage at the front of the chassis. For optimum router performance, verify

the condition of the MPCs.

On a regular basis:

Check the LEDs on the craft interface directly above each MPC slot. The green LED

lights steadily when a MPC is functioning normally.

LED on the MPC. For more information, see

Module Reference

. If the MPC detects a failure, the MPC sends an alarm message to

the Routing Engine.

Check the status of installed MPCs by issuing the CLI

check the status of installed MPCs. As shown in the sample output, the value

in the column labeled

user@host> show chassis fpc

CPU Utilization (%)

MPC4E 3D 32XGE

MPC4E 3D 2CGE+8XGE

MPC 3D 16x 10GE

4x 10GE(LAN) SFP+

indicates that the MPC is functioning normally:

Chapter 23: Maintaining Components

Junos OS System Basics

MX Series Interface

show chassis fpc

Utilization (%)

DRAM (MB) Heap