![SD-WAN vs Traditional WAN: Complete Comparison, CLI Lab & Real Use Cases [2025 Guide]. [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/SD-WAN-vs-Traditional-WAN_-Complete-Comparison_networkjourney.png)
Should you stay with Traditional WAN or move to SD-WAN? I’ve helped several clients in the past five years migrate their branch networks and data centers to Cisco SD-WAN, and I’ve seen both the technical challenges and amazing benefits it brings. If you’re still depending […]
![Understanding DMVPN Phase 1, 2, and 3: A Practical Guide [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/Understanding-DMVPN-Phase_networkjourney.png)
I’m here to help you simplify one of the most important VPN technologies used in scalable WAN deployments — Dynamic Multipoint VPN (DMVPN). Whether you’re a network engineer working on real-world WAN rollouts or preparing for your next professional certification, this guide will equip you […]
![Build Your First MPLS L3VPN: CLI + Diagrams + Troubleshooting. [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/Build-Your-First-MPLS-L3VPN_CLI_Diagrams_Troubleshooting_networkjourney.png)
I want to walk you through a key topic that continues to dominate enterprise networks and is highly relevant for those preparing for advanced routing certifications: MPLS (Multiprotocol Label Switching). Whether you’re preparing for your certification journey or working in a service provider role, understanding […]
![OSPF LSA Types Explained: Complete Guide with CLI, EVE-NG Lab & Real-World Use Cases. [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/OSPF-LSA-Types-Explained_Complete-Guide-with-CLI-EVE-NG-Lab-Real-World-Use-Cases_networkjourney.png)
Today we’re going to tackle one of the most crucial yet often misunderstood parts of OSPF—LSA Types. When I train CCNA and CCNP candidates, many get confused with when and where to use Type 1 vs Type 3 or what the heck Type 7 LSAs […]
![OSPF Router Types Explained: ABR, ASBR, DR Roles, CLI, Lab & Real-World Examples. [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/OSPF-Router-Types-Explained_ABR_ASBR_DR-Roles_networkjourney.png)
In today’s blog, we’re diving into one of the most essential concepts that often gets overlooked when learning OSPF—OSPF Router Types: ABR, ASBR, and DR. I remember back in my early days of CCNP preparation, this topic felt dry—just definitions. But once I started applying […]
![OSPF Area Types Explained: Stub, Totally Stubby & NSSA with CLI, Lab & Real-World Use Cases. [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/OSPF-Area-Types-Explained_Stub_Totally-Stubby_NSSA_networkjourney.png)
If you’ve ever felt confused by OSPF area types—like what makes an area “Stub,” “Totally Stubby,” or “NSSA”—you’re not alone. Many of my CCNP Enterprise trainees get tripped up on these terms, especially when it comes to LSA propagation and route filtering across areas. That’s […]
![Mastering EtherChannel Load Balancing Methods: A Complete Guide with CLI & EVE-NG Lab [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/Mastering-EtherChannel-Load-Balancing-Methods_A-Complete-Guide_networkjourney.png)
we’re diving into one of the most common — yet often misunderstood — areas of switching: EtherChannel Load Balancing Methods. If you’ve ever wondered why your traffic is not using all the available links in your EtherChannel, or if you’re trying to get the most […]
![Access Port vs Trunk Port Explained: Cisco CLI + EVE-NG Labs [2025]. [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/Access-Port-vs-Trunk-Port-Explained_networkjourney.png)
If you’re diving into VLANs, there’s one thing you must get right—knowing when and how to use Access vs Trunk ports. I’ve seen learners assign a trunk port to a PC and wonder why nothing pings. Whether you’re preparing for your CCNA, labbing in EVE-NG, […]
![EIGRP for IPv6 – Routing Smarter in the Next-Gen Network Era. [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/Why-Are-Enterprises-and-Service-Providers-Moving-to-NFV_networkjourney.png)
If you’re someone who loves physical routers, switches, and the feel of plugging in those console cables — I totally get you. I started my journey the same way. But guess what? The world is evolving fast, and the network functions we once ran on […]
![Still Using Standard vSwitches? Here's Why DVS Is a Must in 2025 [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/Still-Using-Standard-vSwitches_Here_s-Why-DVS-Is-a-Must-in-2025_networkjourney.png)
Today we’re diving into something that every modern network engineer must understand — Virtual Switches. Whether you’re configuring labs in EVE-NG, building enterprise data centers, or managing virtual machines in VMware or Hyper-V, virtual switches (vSwitch and DVS) are everywhere. I remember the first time […]
