![[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 #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 #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#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. […]
![Still Using SNMPv2? Here’s Why You Must Switch to SNMPv3 Today! [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/07/nj-blog-post-snmpv3.jpg)
Let me tell you a quick story before diving into today’s deep-dive. A few years ago, one of my clients had this weird issue—an attacker was sniffing SNMPv2 traffic and using it to map the entire network. The problem? They thought SNMPv2 was “just fine” […]
![Model-Driven Telemetry vs SNMP – Rethinking Network Monitoring [CCNP ENTERPRISE]_networkjourney](https://networkjourney.com/wp-content/uploads/2025/07/Model-Driven-Telemetry-vs-SNMP-–-Rethinking-Network-Monitoring-1.png)
If you’re still relying on SNMP for network monitoring, it’s time to think ahead.I get it — SNMP has been around forever. Most of us have used tools like SolarWinds, PRTG, or Nagios with SNMP polling, right? But let’s be honest — it’s slow, reactive, […]
![SNMPv2 vs SNMPv3: Secure and Scalable Network Monitoring [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/SNMPv2-vs-SNMPv3-Secure-and-Scalable-Network-Monitoring_networkjourney.png)
we’re diving into a classic comparison every network engineer must understand—SNMPv2 vs SNMPv3. If you’re preparing for CCNA, CCNP, or actively working with NMS (Network Management Systems), this topic is your foundation for monitoring, managing, and securing enterprise-grade networks. In many real-world deployments, SNMP (Simple […]
![Mastering Syslog Levels and Configuration in Cisco Networks [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/Mastering-Syslog-Levels-and-Configuration-in-Cisco-Networks_networkjourney.png)
We’re diving into one of the most underutilized yet powerful tools in network troubleshooting—Syslog. Whether you’re a CCNA, CCNP aspirant, or a working professional in a NOC/SOC environment, having a deep understanding of Syslog Levels and Configuration will save you hours of guesswork and help […]
