![[Day #61 PyATS Series] Automating ISSU (In-Service Software Upgrade) Validation Using pyATS for Cisco [Python for Network Engineer]](https://networkjourney.com/wp-content/uploads/2025/08/Day-61-PyATS-Series-Automating-ISSU-In-Service-Software-Upgrade-Validation-Using-pyATS-for-Cisco.png)
Introduction — key points In-Service Software Upgrade (ISSU) is a powerful technique that allows upgrading the software on clustered or redundant network devices with minimal traffic disruption. But ISSU is risky: subtle control-plane events, process crashes, or platform incompatibilities can cause outages that are hard […]
![[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 […]
