Monitoring Redundant Control Boards; Checklist For Monitoring Redundant Control Boards - Juniper M Series Monitoring And Troubleshooting Manual

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Table of Contents

Monitoring Redundant Control Boards

Checklist for Monitoring Redundant Control Boards on page 665

Redundant Control Boards Overview on page 666

Display Redundant Control Board Hardware Information on page 669

Display Redundant Control Board Mastership on page 670

Switch Control Board Mastership on page 672

Check the Control Board Alarms on page 672

Replace a Control Board on page 672

Return the Control Board on page 673

You monitor and maintain redundant Control Boards installed in the M320 router, T320

router, T640 router, T1600 router, TX Matrix router, or TX Matrix Plus router to ensure

that there is no interruption of functions such as the following:

Router component monitoring and control for failure and alarm conditions

Component power-up and power-down control

Redundant Routing Engine and Control Board mastership control

Flexible PIC Concentrator (FPC) error detection and reset control

SONET clock source generation and monitoring

SONET reference clock monitoring (from the FPC and BIT interfaces)

I2C controller monitoring

Fan speed monitoring and control

For more information about monitoring a single Control Board, see