![[Day #15 PyATS Series] Building a Reusable Test Template for All Vendors using pyATS for Cisco – Python for Network Engineer](https://networkjourney.com/wp-content/uploads/2025/07/Day15-PyATS-Series-Building-a-Reusable-Test-Template-for-All-Vendors-using-pyATS-for-Cisco-Python-for-Network-Engineer.png)
Introduction Welcome to Day 15 of the 101 Days of pyATS (Vendor-Agnostic) journey. As a network engineer stepping into the world of automation, one of the first challenges you’ll face is code duplication. When you manage networks with multiple vendors—Cisco, Arista, Palo Alto, Fortinet—it’s common […]
![[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 […]
![[Day #12 PyATS Series] Running Genie Diff API (Pre/Post Change Comparison) using pyATS for Cisco [Python for Network Engineer]](https://networkjourney.com/wp-content/uploads/2025/07/Day12-PyATS-Series-Running-Genie-Diff-API-Pre-Post-Change-Comparison-using-pyATS-for-Cisco-Python-for-Network-Engineer.png)
Introduction In modern network automation, ensuring that configuration changes do not introduce unexpected issues is critical. As a Python for Network Engineer practitioner, leveraging Cisco pyATS and Genie Diff API can significantly enhance your change validation process. This toolset allows you to capture the state […]
![[Day#1b PyATS Series] Step-by-Step: Install pyATS in PyCharm (Ubuntu) [Python for Network Engineer]](https://networkjourney.com/wp-content/uploads/2025/07/Day_1b-PyATS-Series-Step-by-Step-Install-pyATS-in-PyCharm-Ubuntu-Python-for-Network-Engineer.png)
If you’re exploring Python for Network Engineers, mastering tools like pyATS is a game-changer for automating network testing and validation. This guide walks you through setting up pyATS in PyCharm on Ubuntu, step by step, so you can build robust network automation workflows with confidence. […]
![Ticket#10 - NAT Overload Failure: Why Users Couldn't Access the Internet – A Real Fix [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/07/nj-blog-post-Ticket-10.jpg)
Problem Summary In a mid-sized enterprise, users across VLANs suddenly reported that they couldn’t browse the internet or access external services. While internal services like file sharing and internal DNS were operational, anything beyond the firewall was unreachable. Symptoms Observed Root Cause Analysis Initial checks […]
![[Day#3 PyATS Series] Installing pyATS & Genie (core, NX-OS, IOS-XR plugins) using pyATS for Cisco](https://networkjourney.com/wp-content/uploads/2025/07/Day3-PyATS-Series-Installing-pyATS-Genie-core-NX-OS-IOS-XR-plugins-using-pyATS-for-Cisco_networkjouney.png)
Introduction on the Key Points In today’s Day #3 of our “101 Days of pyATS (Vendor-Agnostic)” blog series, we focus on setting up the essential components of pyATS by installing the core libraries and vendor-specific plugins such as NX-OS and IOS-XR. These tools are the […]
1. Introduction on the Key Points In the evolving world of network automation, learning how to integrate Python for Network Engineer tasks has become essential. If you’re a Cisco network professional looking to automate testing, validation, or configuration, pyATS (Python Automated Test System) is your […]
