![[Day #25 PyATS Series] OSPF Adjacency Validation Across Cisco/Arista/Palo Alto/Fortigate Using pyATS [Python for Network Engineer]](https://networkjourney.com/wp-content/uploads/2025/07/Day25-PyATS-Series-OSPF-Adjacency-Validation-Across-Cisco_Arista_Palo-Alto_Fortigate-Using-pyATS.png)
Introduction Open Shortest Path First (OSPF) is a critical Interior Gateway Protocol (IGP) for routing within an enterprise or data center network. Verifying OSPF adjacencies manually across multi-vendor environments—Cisco, Arista, Palo Alto, and Fortinet—can be time-consuming and error-prone. With pyATS, network engineers can automate OSPF […]
![[Day #24 PyATS Series] BGP Neighbor Validation (Multi-Vendor) Using pyATS for Cisco](https://networkjourney.com/wp-content/uploads/2025/07/Day-24-PyATS-Series-BGP-Neighbor-Validation-Multi-Vendor-Using-pyATS-for-Cisco.png)
Introduction Border Gateway Protocol (BGP) is the backbone of modern enterprise and service provider networks, enabling scalable routing between different autonomous systems. Validating BGP neighbor relationships across a multi-vendor environment is critical for ensuring routing stability and avoiding outages. Traditionally, engineers log into each device […]
![[Day #23 PyATS Series] Interface Error Counters Monitoring Using pyATS for Cisco](https://networkjourney.com/wp-content/uploads/2025/07/Interface-error-counters-monitoring.png)
Introduction Monitoring interface error counters is crucial in maintaining a healthy network. Errors such as input drops, CRC errors, and collisions can significantly degrade performance and lead to network outages. Traditionally, network engineers manually run show interfaces commands on each device to track these errors—a […]
![[Day #22 PyATS Series] Interface Status Check Across Vendors Using pyATS for Cisco](https://networkjourney.com/wp-content/uploads/2025/07/Day22-PyATS-Series-Interface-Status-Check-Across-Vendors-Using-pyATS-for-Cisco.png)
Introduction In every production network, ensuring interface health and status consistency across devices is crucial. A single downed port can lead to outages, suboptimal routing, or even compliance issues. Traditionally, engineers log into each device to verify interface states, which is error-prone and time-consuming. With […]
![[Day #17 Pyats Series] Creating a device inventory report (hostname, model, OS) using pyATS for Cisco](https://networkjourney.com/wp-content/uploads/2025/07/Creating-a-device-inventory-report-hostname-model-OS-using-pyATS-for-Cisco.png)
Introduction: What You’ll Learn Today Welcome back to Day #17 of our 101 Days of pyATS (Vendor-Agnostic) journey!Today’s use case is simple yet very impactful in real-world network automation—generating a device inventory report for your Cisco infrastructure using pyATS Genie parsers. Whether you manage a […]
![[Day #21 Pyats Series] VLAN database validation before/after changes using pyATS for Cisco](https://networkjourney.com/wp-content/uploads/2025/07/Day21-PyATS-Series-VLAN-Database-Validation-Before_After-Changes-Using-pyATS-for-Cisco.png)
Introduction In modern enterprise networks, VLAN management is crucial for traffic segmentation and security. Manual VLAN database validation often leads to human errors and downtime during changes. This is where pyATS, Cisco’s test automation framework, shines. In this article, we’ll learn how to automate VLAN […]
![[Day #14 PyATS Series] Using pyATS “Jobs” for Multi-Device Tests with Cisco [Python for Network Engineer]](https://networkjourney.com/wp-content/uploads/2025/07/Day14-PyATS-Series-Using-pyATS-Jobs-for-Multi-Device-Tests-with-Cisco-Python-for-Network-Engineer.png)
Introduction As networks grow in scale and complexity, the ability to automate multi-device testing becomes a critical skill for any Python for Network Engineer practitioner. Cisco’s pyATS framework introduces the concept of Jobs, which allow engineers to orchestrate multiple testscripts and devices simultaneously. Instead of […]
![Day #13 PyATS Series] Writing Your First pyATS Testscript (Simple Health Check) using pyATS for Cisco [Python for Network Engineer]](https://networkjourney.com/wp-content/uploads/2025/07/Day13-PyATS-Series-Writing-Your-First-pyATS-Testscript-Simple-Health-Check-using-pyATS-for-Cisco-Python-for-Network-Engineer.png)
Introduction In the evolving landscape of network engineering, automation has become essential. As a Python for Network Engineer practitioner, one of the best starting points is creating pyATS testscripts. These scripts allow you to automate health checks, validate network states, and ensure devices are functioning […]
![[Day #11 PyATS Series] Parsing MAC Address Tables (Cisco/Arista/Palo Alto/Fortigate) using pyATS – Python for Network Engineer](https://networkjourney.com/wp-content/uploads/2025/07/DAY11-PyATS-Series-Parsing-MAC-address-tables-Cisco-Arista-Paloalto-Fortigate.png)
Introduction Welcome to Day 11 of our 101 Days of pyATS (Vendor-Agnostic) journey. Today, we dive into an essential aspect of network validation – parsing MAC address tables across multiple vendors using pyATS. As a Python for Network Engineer practitioner, you must be able to […]
![[DAY#10 PyATS Series] Parsing and Normalizing ARP Tables (Multi-Vendor) using pyATS (Vendor-Agnostic) [Python for Network Engineer]](https://networkjourney.com/wp-content/uploads/2025/07/Parsing-and-Normalizing-ARP-Tables-Multi-Vendor-using-pyATS-Vendor-Agnostic-1.png)
Introduction: Why ARP Table Normalization Matters Welcome to Day 10 of the 101 Days of pyATS (Vendor‑Agnostic) series! Today, we’re focusing on a critical under-the-hood element of L2‑L3 connectivity: parsing and normalizing ARP tables across Cisco, Arista, Palo Alto, and FortiGate devices using pyATS and […]
