Introduction to Junos Operating System (IJOS)

Gain foundational knowledge of the Junos operating system, learning to configure Junos devices, manage interfaces, and apply basic routing and firewall filters. Through hands-on labs and demonstrations, participants will develop skills in operating and monitoring Junos OS, enhancing their ability to manage Juniper device operations effectively.
Introduction to Junos Operating System (IJOS)



This course covers the fundamentals of the Junos OS, including system architecture, CLI navigation, and initial device configurations. Participants will learn to manage network interfaces, user authentication, and system services like NTP and SNMP.

The curriculum extends to basic routing operations, OSPF setup, and the application of routing policies and firewall filters. Hands-on exercises will enhance skills in OS upgrades, file maintenance, and network security, equipping participants to effectively manage and secure networks using Junos OS.


Students are expected to possess basic networking knowledge, including an understanding of the Open Systems Interconnection (OSI) reference model and the TCP/IP protocol suite.



Target Audience

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

Best Practices

Datacipher, recognized as a leading Authorized Training Partner, is renowned for its exceptional educational offerings and steadfast commitment to training excellence. Our instructors are not only passionate and deeply experienced but also active security consultants and seasoned professionals. They enrich each training session with invaluable real-world insights, greatly enhancing the educational experience for all participants.




Can the IJOS course be taken online?

Yes, the course is available online and includes live demonstrations and access to personal labs, all guided by expert instructors.

Is in-person classroom training available?

Indeed, we offer in-person training at our facilities, and can also arrange customized sessions at your location. Please refer to our “Price and Dates” section or contact us directly for more details.

Will I receive official course materials?

Participants will receive official course materials in both electronic and printed formats. Please confirm your booking at least ten days in advance to ensure you receive printed materials.

Can the electronic coursebook be printed?

Yes, the electronic coursebook is printable, allowing for flexible study options.

Do participants receive a certificate of completion?

Upon successfully completing the course, participants will receive an official certificate, acknowledging their proficiency in the material covered.

Course Outline

Module 1 – Course Introduction 4 User Interface Options: The J-Web Interface
Module 2 – Junos Operating System Fundamentals
Module 3 – User Interface Options: The Junos CLI
Module 4 – Initial Configuration
Module 5 – Secondary System Configuration
Module 6 – Routing Fundamentals
Module 7 – Operational Monitoring and Maintenance
Module 8 – Secondary System Configuration
Module 9 – Routing Fundamentals
Module 10 – Routing Policy
Module 11 – Firewall Filters
Module 12 – Class of Service
Module 13 – JTAC Procedures
Module 14 – Juniper Security Concepts
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Payment Methods

At DataCipher, we offer a variety of payment options for our Juniper courses, including Introduction to Junos Operating System. Here are the methods available:

Purchase Order (PO) – If your organization prefers to use a purchase order, you can start the registration process by clicking the Register button. At the end of the registration form, select the option “My company will pay for it, please send an invoice with the payment details.” Our training team will provide an official quote and any additional information your accounts department may require to process the PO.

Bank Transfer – DataCipher has bank accounts in both the US and Europe, supporting all standard bank transfer methods such as IBAN/BIC, Swift, ACH, or wire transfer. To pay via bank transfer, please use the Register button to sign up for your chosen course.

Credit Card Payments – We accept payments from all major credit cards, including Mastercard, VISA, American Express, Discover & Diners, and Cartes Bancaires. You can make a payment directly through the registration link or request an invoice with a web link for online payment. All transactions are secured, and no credit card information is stored by DataCipher.

These options ensure a smooth and flexible registration process for all participants.


For our Introduction to Junos Operating System (IJOS) course, we provide the following assurances:

Guaranteed to Run Training Courses – DataCipher is committed to running the Introduction to Junos Operating System (IJOS) class unless unforeseen force majeure events, such as an accident or illness of the instructor, prevent us from doing so.

Guaranteed on Next Booking – DataCipher ensures that the Introduction to Junos Operating System (IJOS) class will go ahead once an additional student registers for the training course.

Scheduled Class – DataCipher has scheduled the Introduction to Junos Operating System (IJOS) course and secured an instructor. It is rare for us to cancel classes due to low enrollment, and we offer a “Cancel No More Than Once” guarantee. This means that, should we ever need to cancel a class due to insufficient enrollment, we commit to running the next session regardless of attendee numbers.

Training Course Sold Out – If the class is fully booked, please use our contact form to join the waiting list or to inquire about additional upcoming sessions. We’re here to accommodate your training needs and will keep you informed about new class opportunities.

Half and Full-Day Training

At DataCipher, we offer our training courses in both traditional full-day and convenient half-day formats. Our half-day classes are specifically designed for IT professionals who cannot be away from their workplaces for consecutive full days. This flexible schedule allows participants to dedicate a few hours to learning and then return to their regular work responsibilities.

The curriculum for both the full-day and half-day formats is identical. The primary difference is that the half-day classes spread the coursework over a more extended period, providing a balanced approach to professional education. DataCipher has been successfully running these half-day training sessions for several years, receiving consistently positive feedback from our customers. They appreciate the flexibility and report that the extended timeframe facilitates a deeper understanding of the material, as it gives them more time to absorb and reflect on the information learned.

Upon completing this course, participants will have a solid understanding of the Junos Operating System, equipped with the skills to navigate its interface, manage device configurations, and utilize basic routing techniques. The course offers a blend of theoretical knowledge and practical exercises, including live demonstrations and hands-on labs, ensuring that participants can apply their learning immediately to real-world scenarios.



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