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![Brains Behind Modern Networks: Understanding DNAC, APIC & vManage [CCNP Enterprise]](https://networkjourney.com/wp-content/uploads/2025/06/Brains-Behind-Modern-Networks-Understanding-DNAC-APIC_-vManage_networkjourney.png)
Brains Behind Modern Networks: Understanding DNAC, APIC & vManage [CCNP Enterprise]
If you’ve ever wondered what’s powering the magic behind modern, intelligent, and self-healing networks — you’re in the right place. Today’s enterprise networks aren’t managed switch-by-switch anymore. We have smart controllers that do the heavy lifting, automate configurations, and even apply intent-based networking. In this […]
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![On-Prem vs Cloud Controllers – Which One Powers Your Network Better? [CCNP Enterprise]](https://networkjourney.com/wp-content/uploads/2025/06/On-Prem-vs-Cloud-Controllers_networkjourney.png)
On-Prem vs Cloud Controllers – Which One Powers Your Network Better? [CCNP Enterprise]
I want to talk to you about something every modern network engineer must understand — Controllers, and more importantly, the difference between On-Prem and Cloud Controllers. Back in the day, managing a network meant having your hands on physical boxes, CLI screens, and local NMS […]
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Is Cisco DevNet Rebranding to Cisco Automation a Good Move? What You Need to Know in 2025
Over the last few years, I’ve had the privilege of guiding 1000s of learners into the world of Cisco DevNet, and recently there’s been a major buzz in the tech world — Cisco DevNet is now being rebranded as Cisco Automation. Now, if you’re wondering, “Is this just a name change or a major shift…
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![Should You Upgrade to Spine-Leaf Network Design in 2025? [CCNP Enterprise]](https://networkjourney.com/wp-content/uploads/2025/06/Should-You-Upgrade-to-Spine-Leaf-Network-Design_networkjourney.png)
Should You Upgrade to Spine-Leaf Network Design in 2025? [CCNP Enterprise]
If you’ve been working in networking for a while—especially on legacy campus networks—you’ve probably hit that scaling wall. You know the one: too many hops, inconsistent latency, unpredictable East-West traffic behavior, and painful troubleshooting. That’s where Spine-Leaf architecture enters the picture. In this post, I’ll […]
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![Two-Tier vs Three-Tier Network Architecture – Complete Guide with EVE-NG Lab & CLI [CCNP Enterprise]](https://networkjourney.com/wp-content/uploads/2025/06/Two-Tier-vs-Three-Tier-Network-Architecture_networkjourney-1.png)
Two-Tier vs Three-Tier Network Architecture – Complete Guide with EVE-NG Lab & CLI [CCNP Enterprise]
In this post, I’ll break down Two-Tier and Three-Tier Network Architecture in simple terms, just like I do in my instructor-led classes. By the end, you’ll not only understand these models but also see how to configure and simulate them using EVE-NG. In enterprise network […]
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Cisco ASA Firewall CLI and Its Usages
What is Cisco ASA Firewall? Cisco Adaptive Security Appliance (ASA) is a powerful firewall that provides advanced threat protection, VPN services, and network security. The Cisco ASA CLI (Command-Line Interface) is essential for configuring security policies, monitoring network traffic, and troubleshooting firewall operations.
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Build Your Own Network Lab: A Step-by-Step Guide
In today’s rapidly evolving tech landscape, hands-on experience is invaluable. Building your own network lab is an excellent way to gain practical knowledge, experiment with different configurations, and prepare for certifications like CCIE, CCNP, and other advanced networking courses. This blog post will guide you […]
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The Power of Python in Networking: Revolutionizing Network Automation and Scripting
In today’s fast-paced digital era, the ability to automate network tasks and streamline network management has become crucial. Python, a versatile and powerful programming language, has emerged as a key player in the field of network automation and scripting. This article delves into the significance […]
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Cisco Netmiko Scripting with Examples: A Comprehensive Guide
Cisco Netmiko Scripting with Examples: A Comprehensive Guide Introduction In today’s dynamic networking landscape, automation has become a key driver of efficiency and scalability. Cisco Netmiko, a Python library, provides a powerful yet straightforward way to automate network device management. This blog post will delve […]
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Cisco CCNA DevNet 200-301 Certification: Cost, Validity, Scope, and How to Pass?
Exploring Cisco CCNA DevNet 200-301 Certification: Cost, Validity, Scope, and How to Pass? In the fast-paced world of IT, where networking and software development are increasingly intertwined, the Cisco Certified Network Associate (CCNA) DevNet 200-301 certification stands out as a key credential. This certification equips […]
