About This Guide

JUNOS Documentation and Release Notes

Objectives

Audience

Supported Routing Platforms

Documentation Conventions

Documentation Feedback

Requesting Technical Support

Introduction to JUNOS Software

JUNOS Software Overview

One Operating System

One Software Release

One Modular Software Architecture

Software Naming Convention

JUNOS Software Editions

FIPS 140-2 Security Compliance

JUNOS Installation Packages

Installation Media

Installation Bundles

Installation Modules

JUNOS Software Release Numbers

JUNOS Feature Licenses

Software Package Information Security

Configuration Files

Configuration File Selection Sequence

Remote Storage of Configuration Files

Automatic Installation of Configuration files (J Series Routers)

Hardware Architecture

Hardware Architecture Overview

M Series, MX Series, T Series, TX Matrix, and TX Matrix Plus Routers

M Series, MX Series, T Series, and TX Matrix Routers Hardware Overview

System Memory

Storage Media

Routing Engines and Storage Media Names

M Series, MX Series, T Series, TX Matrix, and TX Matrix Plus Routers Boot Sequence

J Series Routers

J Series Routers Hardware Overview

System Memory

Storage Media

Storage Media Names

J Series Routers Boot Sequence

Installation Overview

Installation Type Overview

Standard Installation

Category Change Installation

Recovery Installation

Installation Categories on the M Series, MX Series, T Series, TX Matrix, and TX Matrix Plus Routers

Installation Categories on the J Series Routers

Verifying PIC Combinations

Completing a Standard or Change Category Installation

Confirming That the Current Configuration Is Compatible with the Candidate Software

Determining Which JUNOS Software Version Is Running

Downloading Software

Downloading Software with a Browser

Downloading Software Using the Command-Line Interface

Connecting to the Console Port

Backing Up M Series, MX Series, T Series, TX Matrix, and TX Matrix Plus Routers

Backing Up J Series Routers

Installing the Software Package on a Router with a Single Routing Engine

Installing the Software Package on a Router with Redundant Routing Engines

Preparing the Router for the Installation

Installing Software on the Backup Routing Engine

Installing Software on the Primary Routing Engine

Finalizing the Installation

Upgrading Individual Software Packages

Upgrading Routers Using ISSU

Completing a Recovery Installation

Creating an Emergency Boot Disk

Saving a Rescue Configuration File

Peforming a Recovery Installation

Creating a New Configuration on a Single Routing Engine

Log In to the Router Console

Configure Administration User Accounts

Add the Management Console to the Network

Commit Changes

Creating a New Configuration with Redundant Routing Engines

Configure Administration User Accounts

Set Up Routing Engine Configuration Groups

Complete the Management Console Configuration

Commit and Synchronize Changes

Restoring a Saved Configuration

Copy Saved Files to the Router

Load and Commit the Configuration File

JUNOS Software Licenses Overview

JUNOS Feature Licenses

License Enforcement

Software Feature Licenses

License Key Components

Managing JUNOS Software Licenses

Adding New Licenses

Deleting a License

Saving License Keys

Verifying JUNOS Licenses

Displaying Installed Licenses

Displaying License Usage

Displaying Installed License Keys

Index

Index