Introduction: Key Concepts Welcome to Day #99 of the 101 Days of pyATS (Vendor-Agnostic) series. Today, I will dive into building your own pyATS testing framework using a plugin-based architecture. For a professional Python for Network Engineer, understanding how to design modular, reusable, and extendable […]
![[Day #98 PyATS Series] Full-Scale Mock Network Simulation (pyATS + VIRL/EVE-NG) Using pyATS for Cisco [Python for Network Engineer]](https://networkjourney.com/wp-content/uploads/2025/09/Day-98-PyATS-Series-Full-Scale-Mock-Network-Simulation-pyATS-VIRL_EVE-NG-Using-pyATS-for-Cisco-Python-for-Network-Engineer.png)
Introduction: Key Concepts of Mock Network Simulation Welcome to Day #98 of the 101 Days of pyATS (Vendor-Agnostic) series. Today, we focus on full-scale network simulations using pyATS integrated with VIRL or EVE-NG. For network engineers, being able to replicate complex production environments in a […]
![[Day #95 PyATS Series] Automate Cable Matrix Validation (LLDP/CDP Topology) using pyATS for Cisco [Python for Network Engineer]](https://networkjourney.com/wp-content/uploads/2025/09/Day-95-PyATS-Series-Automate-Cable-Matrix-Validation-LLDP_CDP-Topology-using-pyATS-for-Cisco-Python-for-Network-Engineer.png)
Introduction on the Key Points In modern multi-vendor network environments, keeping track of physical connectivity and validating the cable matrix is critical for network health, troubleshooting, and avoiding misconfigurations. Manual cable documentation is error-prone and doesn’t scale well in large deployments. Today’s deep-dive focuses on […]
![[Day #93 PyATS Series] Automate DNS Resolution Validation Across Sites Using pyATS for Cisco [Python for Network Engineer]](https://networkjourney.com/wp-content/uploads/2025/09/Day-93-PyATS-Series-Automate-DNS-Resolution-Validation-Across-Sites-Using-pyATS-Python-for-Network-Engineer.png)
Introduction on the Key Points Welcome to Day #93 of our 101 Days of pyATS (Vendor-Agnostic) series designed to equip network engineers with production-ready frameworks for automation. Today, we focus on automating DNS resolution validation across distributed sites using pyATS with multi-vendor environments such as […]
![[Day #97 PyATS Series] Vendor-Agnostic Auto-Documentation Generator (Markdown/PDF) Using pyATS for Cisco [Python for Network Engineer]](https://networkjourney.com/wp-content/uploads/2025/09/Day-97-PyATS-Series-Vendor-Agnostic-Auto-Documentation-Generator-Markdown_PDF-Using-pyATS-for-Cisco-Python-for-Network-Engineer.png)
Introduction: Key Concepts of Auto-Documentation Welcome to Day #97 of the 101 Days of pyATS (Vendor-Agnostic) series. Today, we dive into automating network documentation generation in a vendor-agnostic fashion using pyATS, generating outputs in Markdown and PDF formats. Accurate documentation is a critical yet often […]
![[Day #94 PyATS Series] Validate IPv6 Neighbor Discovery Tables Using pyATS for Cisco [Python for Network Engineer]](https://networkjourney.com/wp-content/uploads/2025/09/Day-94-PyATS-Series-Validate-IPv6-Neighbor-Discovery-Tables-Using-pyATS-for-Cisco-Python-for-Network-Engineer.png)
Introduction on the Key Points In modern network environments, IPv6 is becoming increasingly vital as IPv4 address exhaustion becomes a reality. Ensuring proper IPv6 neighbor discovery (ND) behavior is crucial for maintaining seamless network operations. Today, we will dive deep into automating the validation of […]
![[Day #86 PyATS Series] Automated RMA Device Onboarding (Multi-Vendor) Using pyATS for Cisco [Python for Network Engineer]](https://networkjourney.com/wp-content/uploads/2025/09/Day-86-PyATS-Series-Automated-RMA-Device-Onboarding-Multi-Vendor-Using-pyATS-for-Cisco-Python-for-Network-Engineer.png)
Introduction on the Key Points In modern network operations, replacing failed devices through RMA (Return Merchandise Authorization) processes is routine but can be operationally complex, especially in multi-vendor environments. Manual device onboarding risks misconfiguration, inconsistency, and service disruption. This Article demonstrates a production-ready automated RMA […]
![[Day #84 PyATS Series] Multi-Vendor Golden Image Compliance Testing Using pyATS for Cisco [Python for Network Engineer]](https://networkjourney.com/wp-content/uploads/2025/09/Day-84-PyATS-Series-Multi-Vendor-Golden-Image-Compliance-Testing-Using-pyATS-for-Cisco-Python-for-Network-Engineer.png)
Introduction on the Key Points In the world of network automation and operations, ensuring devices are running the correct, approved OS versions and configurations is paramount for stability, security, and compliance. Manual verification of device images across a large multi-vendor network is time-consuming, error-prone, and […]
![[DAY#1 PyATS Series] What Is PyATS & Genie? Why Vendor‑Agnostic Testing? (Ping Tests) Using pyATS (Cisco/Arista/Paloalto/Fortigate) [Python for Network Engineer]](https://networkjourney.com/wp-content/uploads/2025/07/DAY1-PyATS-Series-What-Is-pyATS_Genie-Why-Vendor‑Agnostic-Testing-Ping-TestsPython-for-Network-Engineernetworkjourney.png)
Introduction on the Key Points Today we dive into pyATS & Genie, Cisco’s powerful testing framework, and explore why vendor‑agnostic testing is no longer a “nice‑to‑have” but an essential skill for every Python for Network Engineer professional. In this article, you’ll learn: By the end, […]
