Junos® OS automates network operations

 

Junos® OS automates network operations with streamlined precision, furthers operational efficiency, and frees up valuable time and resources for top-line growth opportunities. Built for reliability, security, and flexibility, Junos OS runs many of the world’s most sophisticated network deployments, giving operators an advantage over those who run competing network operating systems.

Key Features

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• Automation frameworks
• Programmability
• Telemetry
• Open data models
• Junos continuity

Features + Benefits

OS Network-Wide

Reduces the time and effort required to plan, deploy, and operate network infrastructure.

Open and Programmable Automation

Offers rich APIs, a command library, scripting support, programming, and integration with standard automation and orchestration frameworks.

Disaggregated Modular Software Architecture

Extends traditional disaggregation by creating a flexible consumption model for network applications and provides a highly scalable software that keeps pace with evolving requirements.

High Availability

Makes the insertion of line cards and the subsequent network OS upgrade a non-service impacting event.

Cloud-Optimized

Cloud providers understand that operating a flexible, cost-effective network requires simplified operations across a highly scalable infrastructure. Junos Evolved is a cloud-optimized network OS with a microservices architecture delivering resiliency, feature velocity, and programmability.

 

Junos : Access API

 

Juniper Networks' Junos OS provides an API to configure and manage devices running Junos. The Junos XML API allows network administrators to interact with Junos devices programmatically. Here's a high-level overview of using the Junos configure API:

Accessing Junos XML API

The Junos XML API can be accessed over NETCONF (Network Configuration Protocol). NETCONF is an IETF standard protocol for network device configuration and management.

Prerequisites

1. NETCONF Enabled on the Device: Ensure NETCONF is enabled on the Junos device.
2. Authentication: Use valid credentials (username and password) to authenticate.

Basic Steps for Using Junos XML API

1. Establish a NETCONF Session:

   • Establish a NETCONF session to the Junos device using SSH.

2. Send Configuration Commands:

   • Use XML format to send configuration commands. These commands can be sent using various libraries or tools that support NETCONF, such as Python's ncclient library.

3. Commit Configuration:

   • After making configuration changes, commit the changes to apply them to the device.

Common Operations

1. Edit Configuration:

   • Use the edit_config method to send configuration data.

2. Lock and Unlock Configuration:

   • Use the lock and unlock methods to ensure the configuration is not changed by others while you are making changes.

3. Commit Configuration:

   • Use the commit method to apply the changes.

4. Retrieve Configuration:

   • Use the get_config method to retrieve current configurations.

Error Handling

Handle potential errors such as authentication failures, connection issues, and configuration errors. Use appropriate exception handling mechanisms provided by the ncclient library.

Junos vs EOS

 

When comparing Junos (Juniper Networks OS) to EOS (Extensible Operating System by Arista Networks), it’s important to focus on the specific strengths and features of each to understand how they align with organizational needs. Both Junos and EOS are robust network operating systems used in enterprise and data center environments, but they have distinct characteristics and advantages.

Junos (Juniper Networks OS)

Developer: Juniper Networks

Strengths:

1. Unified OS:

   • Consistent operating system across a range of Juniper devices, which simplifies management and operations.

2. Stability and Performance:

   • Highly reliable and stable, suitable for large-scale and mission-critical network environments.

3. Modular Architecture:

   • Modular design with separate processes for different functions (e.g., routing, switching), enhancing stability and scalability.

4. Security Features:

   • Comprehensive security suite including firewalls, intrusion prevention systems, and advanced threat intelligence integration.

5. Automation:

   • Extensive automation capabilities through Junos Automation with support for scripting languages like Python.

6. Policy Management:

   • Centralized management of security and network policies, providing consistent enforcement across the network.

7. Integration with Open Standards:

   • Strong support for open standards and APIs, facilitating integration with third-party tools and systems.

8. Visibility and Monitoring:

   • Robust monitoring, logging, and reporting tools for deep visibility into network performance and security.

EOS (Extensible Operating System by Arista Networks)

Developer: Arista Networks

Strengths:

1. Modular and Extensible Architecture:

   • EOS is built on a Linux kernel, providing a modular and highly extensible architecture. This design allows for greater flexibility and customization.

2. High Performance:

   • Designed for high performance, particularly in data center environments where low latency and high throughput are critical.

3. Network Automation:

   • Strong focus on automation with tools like CloudVision, and support for DevOps practices. EOS offers extensive programmability and automation capabilities, supporting Python, JSON, and other APIs.

4. Scalability:

   • Excellent scalability, capable of supporting large-scale data center and cloud environments.

5. Open and Programmable:

   • Open APIs and programmability allow for easy integration with various network management and automation tools.

6. Unified Forwarding Table (UFT):

   • A key feature that allows for the flexible allocation of forwarding resources, optimizing performance based on network demands.

7. Real-Time Telemetry:

   • Advanced telemetry and analytics capabilities for real-time network monitoring and troubleshooting.

8. Single Binary Image:

   • EOS uses a single binary image across all platforms, ensuring consistency and simplifying upgrades and maintenance.

Comparison Summary

Feature	Junos	EOS (Arista Networks)
Unified OS	Consistent OS across Juniper devices	Single binary image across all platforms
Stability and Performance	High reliability and performance	High performance, especially in data centers
Modular Architecture	Modular design for stability and scalability	Highly extensible, Linux-based architecture
Security Features	Comprehensive security suite	Strong security, though more focused on performance
Automation	Extensive automation capabilities	Strong focus on automation and DevOps practices
Policy Management	Centralized policy management	Flexible and programmable policy management
Integration with Open Standards	Strong support for open standards and APIs	Open APIs and programmability
Visibility and Monitoring	Robust monitoring and reporting tools	Advanced real-time telemetry and analytics
Scalability	Highly scalable	Excellent scalability, especially in large data centers
Innovation and Updates	Regular updates from Juniper	Continuous innovations from Arista

Conclusion

Junos is well-suited for organizations looking for a stable, reliable, and secure network operating system with comprehensive policy management and automation capabilities. It is particularly strong in environments where consistency across a range of devices is important.

EOS excels in data center environments, offering high performance, scalability, and a strong focus on automation and programmability. Its modular and extensible architecture makes it a favorite for organizations adopting DevOps practices and seeking advanced telemetry and real-time analytics.

The choice between Junos and EOS will depend on specific organizational requirements, existing infrastructure, and strategic goals. Both are powerful network operating systems, each with its own set of strengths tailored to different network environments.

Benefit to use Junos as security OS

 

Using Junos as a security operating system offers several benefits:

1. Unified Operating System:

   • Junos OS provides a consistent and unified operating system across Juniper’s networking and security devices, simplifying management and operations.

2. High Performance and Scalability:

   • Designed for high performance, Junos OS can handle large volumes of traffic with low latency, making it suitable for large-scale networks.

3. Comprehensive Security Features:

   • Junos OS includes advanced security features such as firewall, intrusion prevention, secure routing, and threat intelligence to protect against a wide range of threats.

4. Automation and Orchestration:

   • The OS supports extensive automation capabilities through Junos Automation and orchestration tools, helping to reduce manual configuration and improve operational efficiency.

5. Reliability and Stability:

   • Known for its reliability and stability, Junos OS minimizes downtime and ensures consistent network performance.

6. Integrated Threat Intelligence:

   • Junos OS integrates with Juniper’s Advanced Threat Prevention (ATP) services, providing real-time threat intelligence and advanced malware protection.

7. Flexible and Modular Architecture:

   • The modular architecture of Junos OS allows for easy updates and upgrades, ensuring the system can evolve with emerging security needs and technologies.

8. Unified Policy Management:

   • Centralized policy management simplifies the enforcement of security policies across the network, ensuring consistent protection and compliance.

9. Enhanced Visibility and Reporting:

   • Junos OS offers robust monitoring, logging, and reporting features, providing deep visibility into network activity and security events.

10. Support for Open Standards:

    • Junos OS supports open standards and APIs, facilitating integration with third-party tools and systems, enhancing the overall flexibility of the security infrastructure.

By leveraging these benefits, organizations can build a robust, scalable, and efficient security infrastructure that can adapt to evolving threats and network requirements.