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Managing Module Redundancy on E Series Routers, Release 15.1

This page provides information about how to manage redundancy in line modules, switch route processor (SRP) modules, switch fabric modules (SFMs), I/O modules, and I/O adapters (IOAs) in E Series routers.

JunosE Software Documentation for E Series Broadband Services Routers, Release 15.1

Overview
Configuration
Administration
Troubleshooting

How JunosE Module Redundancy Works

Line Module Redundancy Overview

Understanding Automatic Switchover

Understanding Reversion After Switchover

Interoperation of Redundancy and Stateful Switchover for Line Modules

Understanding SRP Module Redundancy

Understanding Configuration of SRP Modules for Redundancy

Determination of Redundancy Status for Line Modules and SRP Modules Using Status LEDs

Hardware Requirements
Line Module Redundancy Requirements

Configuration Tasks for Module Redundancy

Configuring Line Module Redundancy

Managing Line Module Redundancy

Installing a Redundant SRP Module

Managing SRP Module Redundancy

Switching to the Redundant SRP Module

Examples
Example: Forcing the Router to Switch from Primary Line Module to Spare Line Module

Configuration Commands

disable-switch-on-error

redundancy force-switchover

Monitoring Module Redundancy

Monitoring Redundancy in Installed Hardware

Monitoring Redundancy in Line Module and SRP Modules

Monitoring Redundancy Status on E320 Router

Monitoring Commands

show environment

show hardware

show redundancy

Knowledge Base
http://kb.juniper.net/

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Managing Module Redundancy on E Series Routers, Release 15.1

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