--- title: Junos OS Reviews meta_title: 'Junos OS Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter 35 reviews by the users' company size, role or industry to find out how Junos OS works for a business like yours. aggregate_rating: rating_value: 4.6 review_count: 35 scale: '5' date_modified: '2026-08-07' parent_category: name: IT Infrastructure url: https://www.g2.com/categories/it-infrastructure --- # Junos OS Reviews **Vendor:** Juniper Networks **Category:** [Operating Systems](https://www.g2.com/categories/operating-system) **Average Rating:** 4.6/5.0 **Total Reviews:** 35 ## About Junos OS Junos OS is a secure, open, and programmable network operating system that serves as the foundation for Juniper Networks' routing, switching, and security devices. Designed to automate network operations with precision, Junos OS enhances operational efficiency and frees up valuable resources, enabling organizations to focus on growth and innovation. Its modular architecture ensures high availability, reliability, and scalability, making it suitable for a wide range of network environments. Key Features and Functionality: - Automation Frameworks: Supports integration with open-source automation tools like Puppet, Chef, Ansible, and Salt, facilitating seamless network management and reducing manual tasks. - Programmability: Offers the Juniper Extension Toolkit (JET) API, providing open access to control, management, and data plane services, enabling customized network solutions. - Telemetry: Incorporates the Junos Telemetry Interface (JTI), a scalable engine that streams real-time network data, enhancing visibility and proactive issue resolution. - Open Data Models: Utilizes standardized YANG models and OpenConfig, promoting interoperability and simplifying network configuration and management. - High Availability: Features like Junos Continuity allow for non-disruptive hardware upgrades, ensuring uninterrupted service during maintenance. Primary Value and Solutions Provided: Junos OS addresses the complexities of modern network management by automating repetitive tasks, thereby reducing operational costs and minimizing human errors. Its open and programmable nature empowers organizations to rapidly deploy and customize network services, enhancing agility and responsiveness to changing business needs. The system's modular design and high availability features ensure reliable and scalable network performance, supporting the demands of cloud-native applications, IoT, and 5G technologies. By providing a consistent operating system across various devices, Junos OS simplifies training and operations, leading to a lower total cost of ownership and a more efficient network infrastructure. ## Junos OS Pros & Cons **What users like:** - Users value the **cloud integration and virtualization support** of Junos OS, enhancing operational efficiency through independent control and forwarding. (1 reviews) - Users value the **consistent CLI** of Junos OS for its stability and safe automation-friendly configuration management. (1 reviews) - Users value the **support for virtualization and cloud integration** , enhancing the flexibility and efficiency of their operations. (1 reviews) - Users value the **reliability** of Junos OS, appreciating its consistent performance and ease of daily operations. (1 reviews) - Users praise the **rock-solid stability** of Junos OS, ensuring reliable performance in their networking environments. (1 reviews) - Users value the **rock-solid stability** of Junos OS, ensuring reliable performance and effective virus protection. (1 reviews) **What users dislike:** - Users find the **skill requirements challenging** , citing a steep learning curve and complex licensing as major obstacles. (3 reviews) - Users face a **high cost** due to complex licensing requirements, making access to features challenging and less user-friendly. (1 reviews) - Users face a **steep learning curve** with Junos OS, finding it challenging to navigate due to complex licensing. (1 reviews) ## Junos OS Reviews ### 1. Excellent Solution for Cisco-Savvy Teams **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Education Management | Mid-Market (51-1000 emp.) **Reviewed Date:** December 09, 2025 **What do you like best about Junos OS?** As a network administrator, I consider Junos OS one of the most reliable and consistent network operating systems on the market. Its clean architecture, predictable behavior, and automation-friendly design make daily operations significantly easier. **What do you dislike about Junos OS?** For IT teams familiar with Cisco, there is a some similarities but there is a difficulty to easy understand it without proper training and experience. **What problems is Junos OS solving and how is that benefiting you?** Junos OS solves network complexity and reliability issues by providing a consistent, stable, and automation-friendly platform that makes managing and troubleshooting the network faster and more efficient. ### 2. Future platform is here **Rating:** 4.0/5.0 stars **Reviewed by:** Vishal G. | DGM VSAT Planning and Engineering , Mid-Market (51-1000 emp.) **Reviewed Date:** June 19, 2023 **What do you like best about Junos OS?** Automation for network devices, less human error and machine automation is always more advantageous over human. Operational efficiency improved and resource utilisation for improvement to routine work **What do you dislike about Junos OS?** Complex learning, not user-friendly GUI. Need expert people to take care of devices **What problems is Junos OS solving and how is that benefiting you?** Network Automation, resource minimizing and product efficiency ### 3. Only for highly trained professionals **Rating:** 4.0/5.0 stars **Reviewed by:** Viktor K. | Mid-Market (51-1000 emp.) **Reviewed Date:** September 30, 2020 **What do you like best about Junos OS?** You may find same Junos OS cli on several different Juniper devices, Routers, security devices like a Next Generation Firewals, Data Center switches and enterprise switches as well. Very flexible operating system. Automatisation and inside OS programming is native Junos feature. Ability to create virtual instances as separate routers within a single device. **What do you dislike about Junos OS?** Complex Unix based operating system. Very different from the Cisco CLI logic that network administrators are used to. Not for people who do not intend to take learning seriously. Complexnes. Instability of the operating system when a power failure occurs. It often happens that the system never recovers on its own, but requires direct intervention by the administrator. **Recommendations to others considering Junos OS:** Not for people who do not intend to take learning seriously. **What problems is Junos OS solving and how is that benefiting you?** Network segmentation and hardening. ### 4. I have worked with SRX devices on EVE-NG **Rating:** 3.5/5.0 stars **Reviewed by:** Attique R. | System Administrator, Small-Business (50 or fewer emp.) **Reviewed Date:** October 08, 2020 **What do you like best about Junos OS?** The dashboard feature of the junos OS stand out. **What do you dislike about Junos OS?** There is nothing to dislike its just more people needs to be educated . **What problems is Junos OS solving and how is that benefiting you?** Problems I am solving with junos OS are like Network monitoring and tools ### 5. Junos OS review **Rating:** 4.0/5.0 stars **Reviewed by:** Lokesh B. | Network Engineer, Enterprise (> 1000 emp.) **Reviewed Date:** October 05, 2020 **What do you like best about Junos OS?** Having one operating system for all the features network and security **What do you dislike about Junos OS?** Junos OS security features should be unified to suit any model. **What problems is Junos OS solving and how is that benefiting you?** Solved so many problems like client VPN and routing issues ### 6. Great CLI organisation **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Computer & Network Security | Small-Business (50 or fewer emp.) **Reviewed Date:** October 11, 2020 **What do you like best about Junos OS?** Simplicity and inovation, atomation and other features as well. **What do you dislike about Junos OS?** RSA certificates are generated immediately after an SRX Series Service Gateway for the Branch or LN1000 is first activated **Recommendations to others considering Junos OS:** I have no advice **What problems is Junos OS solving and how is that benefiting you?** No ### 7. Junos OS Recommendation **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Computer Networking | Enterprise (> 1000 emp.) **Reviewed Date:** September 28, 2020 **What do you like best about Junos OS?** It is very user friendly and easy to use. **What do you dislike about Junos OS?** New OS often requires some more effort to understand. **What problems is Junos OS solving and how is that benefiting you?** It is a single network operating system providing a common language across all the equipments. ### 8. Great Experience So Far **Rating:** 3.5/5.0 stars **Reviewed by:** Verified User in Textiles | Mid-Market (51-1000 emp.) **Reviewed Date:** January 25, 2019 **What do you like best about Junos OS?** Definitely lives up to its expectations of simplicity and innovation. I feel that the network deployments are quite sophisticated, which give operators and advantage over other OS. **What do you dislike about Junos OS?** Not much I can say, given I am quite new to the system, but I might have to go with the client app. I think it could use some improvement. **Recommendations to others considering Junos OS:** Definitely lives up to expectations. So far, so good. **What problems is Junos OS solving and how is that benefiting you?** Configuration changes were done using different methods. Each makes fast changes, very easy. ## Junos OS Discussions - [Is Juniper Linux based?](https://www.g2.com/discussions/is-juniper-linux-based) - 1 comment - [View Junos OS pricing details and edition comparison](https://www.g2.com/products/junos-os/reviews?filters%5Bnps_score%5D%5B%5D=4§ion=pricing&secure%5Bexpires_at%5D=2026-08-13+16%3A34%3A40+-0500&secure%5Bsession_id%5D=ad06695c-d9fc-4088-b949-2bef3741b696&secure%5Btoken%5D=1a7a81039f29b73a730d8d0d0b5aceacae54b3a174a96d37188ffefb5e4015c5&format=llm_user) ## Junos OS Features **Memory Management - Operating System** - RAM management - App Management - File Management **Device Management - Operating System** - I/O management **Backup and Recovery - Operating System** - Data backup **Error Detection - Operating System** - System operations monitoring **Additional Functionality** - Generative AI - Data Security - User Interface - Resource Allocation - System Updates - For Developers - AI Copilot - Desktop Interface ## Top Junos OS Alternatives - [VyOS](https://www.g2.com/products/vyos/reviews) - 4.5/5.0 (55 reviews) - [Ubuntu](https://www.g2.com/products/ubuntu/reviews) - 4.5/5.0 (2,347 reviews) - [CentOS](https://www.g2.com/products/centos/reviews) - 4.4/5.0 (409 reviews)