Random wireless gear photo
From my camera roll. A random wireless equipment photo Cambium networks. Ubiquiti networks
Network Operations
Internet Service provider topics, Network operations, and other topics. Some topics include Mikrotik, Cisco, Arista and other configurations.
Latency, Throughput, and bandwidth
The folks over at DNSSTUFF have a great article on Latency, Throughput, and bandwidth. I have written about latency and such before. They have this great graphic that puts it into perspective.
The Hidden Dangers of Geographically Overextending an IX Fabric
But in an age where everything is “distributed,” some IX operators are stretching their fabrics far beyond the cities they were born in. While this might seem like growth, it can introduce serious risks to network performance, resilience, and economics.
Understanding Multicast Routing: A Smarter Way to Deliver Data
In modern networking, efficiency is everything. Whether you’re streaming a live event, pushing updates across a distributed system, or delivering IPTV, how data moves matters. That’s where multicast routing shines.
Patreons: MikroTik v7 BGP Troubleshooting Commands
This content is for Patreon subscribers of the j2 blog. Please consider becoming a Patreon subscriber for as little as $1 a month. This helps to provide higher quality content, more podcasts, and other goodies on this blog.To view this content, you must be a member of Justin’s Patreon at $1 or more Unlock with … Read more
VRF article in an audio format
Recently, I did a VRF article. Like everyone else, I am seeing what all AI can do. As a result, I have been utilizing an AI tool to convert some of my articles to an audio format (Thanks, Cameron). The following is one such conversion of the above article. Keep in mind that this audio … Read more
What is a router VRF and why it matters
This post will walk you through what a VRF is, why it matters, and how it’s used in real-world networking. What is a VRF? VRF stands for Virtual Routing and Forwarding. It’s a technology that allows multiple instances of routing tables to coexist on the same physical router or Layer 3 switch. Each VRF is … Read more
VRF Architectures
1. Basic VRF Architecture Diagram A single router with two VRFs (e.g., Customer_A and Customer_B), each with its own routing table and interface. Purpose: Shows how two VRFs keep overlapping IP spaces separated. 2. Traffic Isolation in VRFs Two devices connected to the same router but isolated via VRFs. 3. VRF Routing Tables Example Purpose: … Read more
GPON Splitter Strategies: Optimizing Fiber Network Performance
A key component enabling this efficiency is the optical splitter, which divides the optical signal to serve multiple endpoints. However, choosing the right GPON splitter strategy is crucial
TCP vs. IP: Understanding the Key Differences
When it comes to networking and the internet, two terms frequently come up: TCP (Transmission Control Protocol) and IP (Internet Protocol). These are fundamental protocols that enable communication between devices over the internet. However, they serve different purposes
The Importance of a Management Network in an ISP Network
A dedicated management network is the backbone for efficient monitoring, troubleshooting, and administration