Introduction to the Junos Operating System (IJOS)

Introduction to the Junos Operating System (IJOS) 

This three-day course provides students with the foundational knowledge required to work with the Junos operating system and to configure Junos devices. The course provides a brief overview of the Juniper products and discusses the key architectural components of the Junos software. Key topics include user interface options with a heavy focus on the command-line interface (CLI), configuration tasks typically associated with the initial setup of devices, interface configuration basics with configuration examples, secondary system configuration, and the basics of operational monitoring and maintenance of Junos devices. The course then delves into foundational routing knowledge and configuration examples including general routing concepts, routing policy, and firewall filters. Through demonstrations and hands-on labs, students will gain experience in configuring and monitoring the Junos OS and monitoring basic device operations. This course is based on Junos OS Release 21.1R1.11.



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Course Level

Introduction to the Junos Operating System (IJOS) is an introductory-level course.

Intended Audience

This course benefits individuals responsible for configuring and monitoring devices running the Junos OS.

Prerequisites

Students should have basic networking knowledge and an understanding of the Open Systems Interconnection (OSI) reference model and the TCP/IP protocol suite. Students should have completed the Getting Started with Networking eLearning course.

Objectives

After successfully completing this course, you should be able to:

  • Describe the Junos operating system and provide a brief overview of Juniper products
  • Describe the Junos operating system and its basic design architecture
  • Identify and provide a brief overview of Juniper products
  • Use the Junos CLI and its operational mode to monitor and control Juniper devices
  • Enter operational mode
  • Locate various help options within the Junos CLI
  • Execute monitoring and troubleshooting commands
  • Configure a device using the CLI
  • Enter configuration mode
  • Navigate through the Junos configuration hierarchy
  • Modify the configuration on a Juniper device
  • Use common configuration mode commands
  • Use the J-Web interface to make configuration changes, monitor and maintain Junos devices
  • Configure basic system settings and interfaces
  • Perform device administration
  • Perform initial system configuration using Junos OS
  • Load factory-default configuration
  • List and perform initial system configuration tasks
  • Describe interface types and perform basic interface configuration tasks
  • Configure user authentication and device backups
  • Describe and configure user authentication
  • Archive configurations
  • Configure System Logging, Tracing, NTP, and SNMP in Junos OS
  • Configure and analyze system logging and tracing
  • Configure and monitor NTP
  • Configure and monitor SNMP
  • Monitor and maintain Junos OS
  • Monitor platform and interface operations
  • Describe and use the available network utilities
  • Perform password recovery
  • Upgrade the Junos OS
  • Perform storage and system cleanup tasks
  • Perform the Junos upgrade
  • Describe the interfaces configuration hierarchy
  • Configure various interface types
  • Use configuration groups to configure interfaces
  • Describe the functionality of routing and routing instances
  • Explain the basic routing concepts
  • Describe the routing table and the forwarding table
  • Describe the functionality of routing instances
  • Configure and monitor a routing instance
  • Implement static routes and dynamic routes using OSPF
  • Configure and monitor static routes
  • Describe the functionality of dynamic routing
  • Configure and monitor OSPF
  • Describe how routing works using IPv6
  • Implement routing policy within Junos
  • Describe the routing policy and explain the default Junos import and export routing policies
  • Identify various options in the match criteria and action blocks of a routing policy
  • Implement a routing policy for a given use case
  • Implement firewall filters within Junos
  • Describe the functionality and the framework of firewall filters
  • Implement firewall filters for a given use case
  • Implement a policer within Junos
  • Describe the operation and configuration of unicast RPF
  • Implement CoS within Junos
  • Describe the purpose and benefits of CoS
  • Implement traffic classification within Junos
  • Describe the traffic queuing within Junos
  • Configure traffic scheduling within Junos
  • Implement CoS for a given use case
  • Access and use Juniper support resources to manage Juniper Products
  • Follow recommended procedures to open a JTAC support case
  • Access Juniper online tools to manage Juniper products
  • Use FTP to transfer large files to JTAC
  • Describe the Juniper Connected Security components
  • Identify high-level security challenges in today’s networks
  • Describe the Juniper Connected Security components
  • Implement IPv6 within Junos
  • Describe the differences between IPv4 and IPv6
  • Explain the IPv6 address format and the different address types
  • Explain how IPv6 stateless and stateful autoconfigurations work
  • Configure and monitor IPv6 routing
  • Implement IPv6-over-IPv4 tunnels

Course Contents

Day 1

Module 1: Course Introduction

Module 2: Junos Operating System Fundamentals

Module 3: Junos CLI Operational Mode

Module 4: Junos CLI Configuration Mode

Module 5: J-Web Interface

  • Lab 1: User Interface Options

Module 6: Initial System Configuration

  • Lab 2: Initial System Configuration

Day 2

Module 7: Course Introduction

  • Lab 3: User Authentication and Archiving

Module 8: Junos Operating System Fundamentals

  • Lab 4: System Logging, Tracing, NTP, and SNMP

Module 9: Junos CLI Operational Mode

  • Lab 5: Operational Monitoring and Maintenance

Module 10: Junos CLI Configuration Mode

  • Lab 6: Upgrading the Junos OS

Module 11: J-Web Interface

Module 12: Initial System Configuration

  • Lab 7: Routing Fundamentals

Module 13: User Authentication Archiving

  • Lab 8: Static and Dynamic Routing

Day 3

Module 14: Course Introduction

  • Lab 9: Routing Policy

Module 15: Junos Operating System Fundamentals

  • Lab 10: Firewall Filters

Module 16: Junos CLI Operational Mode

  • Lab 11: Class of Service

Module 17: Junos CLI Configuration Mode

Module 18: J-Web Interface

Appendix A: Initial System Configuration

Attachments
 
# Name Description
1 Course Overview Flyer Introduction to the Junos Operating System (IJOS)

Schedule
  Below is a list of scheduled dates when this event will take place. Some events require registration for attendance so you will need to click on the date for more information regarding the specific event.

If you don't see the date you prefer, please contact us to request a date or schedule your custom training session.

Display dates for 

 
Date  Subject Region Location Facilitator Language Status
5/3/2021 Introduction to the Junos Operating System (IJOS) - ILT & ILO Europe, Middle East and Africa (EMEA) Düsseldorf, Germany + Online Fast Lane German Open
5/3/2021 Introduction to the Junos Operating System (IJOS) - ILO Asia Pacific (APAC) APAC Online Datacipher - Philippines English Open
5/4/2021 Introduction to the Junos Operating System (IJOS) - ILO Asia Pacific (APAC)   Datacipher - Australia & New Zealand English Open
5/10/2021 Introduction to the Junos Operating System (IJOS) - ILT & ILO Americas (AMER) Phoenix, AZ + Online Dynamic Worldwide English Open
5/10/2021 Junos Intermediate Routing (JIR) - ILO Asia Pacific (APAC) APAC Online Datacipher - Philippines English Open
5/17/2021 Introduction to the Junos Operating System (IJOS) - ILT & ILO Americas (AMER) Phoenix, AZ + Online Dynamic Worldwide English Open
5/24/2021 Introduction to the Junos Operating System (IJOS) - ILT & ILO Europe, Middle East and Africa (EMEA) Instructor-led Online Arrow ECS - United Kingdom English Open
6/1/2021 Introduction to the Junos Operating System (IJOS) - ILO Asia Pacific (APAC)   Datacipher - Australia & New Zealand English Open
6/1/2021 Introduction to the Junos Operating System (IJOS) - ILO Asia Pacific (APAC) APAC Online Datacipher - India & Sri Lanka English Open
6/7/2021 Introduction to the Junos Operating System (IJOS) - ILT & ILO Americas (AMER) Phoenix, AZ + Online Dynamic Worldwide English Open
6/14/2021 7:30 AM PST Introduction to the Junos Operating System (IJOS) - ILO Americas (AMER) AMER Online Juniper Networks English Open
6/21/2021 Introduction to the Junos Operating System (IJOS) - ILT & ILO Europe, Middle East and Africa (EMEA) Moscow, Russia + Online Diona Master Lab Russian Open
6/21/2021 Introduction to the Junos Operating System (IJOS) - ILT & ILO Europe, Middle East and Africa (EMEA) Instructor-led Online Arrow ECS - United Kingdom English Open
6/21/2021 Introduction to the Junos Operating System (IJOS) - ILT & ILO Europe, Middle East and Africa (EMEA) Hamburg, Germany + Online Fast Lane German Open
6/28/2021 Introduction to the Junos Operating System (IJOS) - ILT & ILO Americas (AMER) Phoenix, AZ + Online Dynamic Worldwide English Open
7/19/2021 Introduction to the Junos Operating System (IJOS) - ILT & ILO Americas (AMER) Phoenix, AZ + Online Dynamic Worldwide English Open
7/26/2021 9:00 AM CET Introduction to the Junos Operating System (IJOS) - ILO Europe, Middle East and Africa (EMEA) Instructor-led Online Juniper Networks English Open
8/9/2021 Introduction to the Junos Operating System (IJOS) - ILT & ILO Americas (AMER) Phoenix, AZ + Online Dynamic Worldwide English Open
8/9/2021 9:00 AM SGT Introduction to the Junos Operating System (IJOS) - ILO Asia Pacific (APAC) APAC Online Juniper Networks English Open
8/16/2021 Introduction to the Junos Operating System (IJOS) - ILT & ILO Europe, Middle East and Africa (EMEA) Garching, Germany + Online Fast Lane German Open
9/6/2021 Introduction to the Junos Operating System (IJOS) - ILT & ILO Europe, Middle East and Africa (EMEA) London, United Kingdom + Online Arrow ECS - United Kingdom English Open
9/7/2021 Introduction to the Junos Operating System (IJOS) - ILT & ILO Americas (AMER) Phoenix, AZ + Online Dynamic Worldwide English Open
9/13/2021 Introduction to the Junos Operating System (IJOS) - ILT & ILO Europe, Middle East and Africa (EMEA) Münster, Germany + Online Fast Lane German Open
9/27/2021 Introduction to the Junos Operating System (IJOS) - ILT & ILO Americas (AMER) Phoenix, AZ + Online Dynamic Worldwide English Open
10/18/2021 Introduction to the Junos Operating System (IJOS) - ILT & ILO Europe, Middle East and Africa (EMEA) Stuttgart, Germany + Online Fast Lane German Open
11/1/2021 Introduction to the Junos Operating System (IJOS) - ILT & ILO Europe, Middle East and Africa (EMEA) London, United Kingdom + Online Arrow ECS - United Kingdom English Open
11/1/2021 9:00 AM SGT Introduction to the Junos Operating System (IJOS) - ILO Asia Pacific (APAC) APAC Online Juniper Networks English Open
11/22/2021 Introduction to the Junos Operating System (IJOS) - ILT & ILO Europe, Middle East and Africa (EMEA) Berlin, Germany + Online Fast Lane German Open
12/6/2021 Introduction to the Junos Operating System (IJOS) - ILT & ILO Europe, Middle East and Africa (EMEA) London, United Kingdom + Online Arrow ECS - United Kingdom English Open