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 …
Understanding How GPON Works: A quick guide
Gigabit Passive Optical Network (GPON) is a widely used fiber-optic networking technology that delivers high-speed internet, voice, and video services to homes and businesses. As a key component of Fiber-to-the-Home (FTTH) deployments, GPON provides an efficient and cost-effective solution for …
Why Raw Speed in Your ISP Connection Is Not Everything
When choosing an internet service provider (ISP), many consumers focus solely on the advertised speed, measured in megabits per second (Mbps) or gigabits per second (Gbps). While speed is undoubtedly important, it is far from the only factor that determines …
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Patreon Post: Top5 Data Center News Stories of the week.
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 …
Some networking jokes
Why did the router break up with the modem?It felt like they just weren’t on the same wavelength anymore! Why do network engineers always carry a pen?Because they can’t rely on their LAN to write things down! Why did the …
A router juggling packets
Here’s a playful depiction of a router juggling packets!
Configuring BGP Filters on MikroTik RouterOS v7: Part1
BGP (Border Gateway Protocol) is essential for dynamic routing in modern networks. MikroTik’s RouterOS version 7 introduces significant updates to BGP functionality, making it more efficient and flexible. This guide walks you through configuring BGP filters on MikroTik RouterOS v7 …
What’s in the box? Cambium RV22
Some photos of the Cambium RV22.
Understanding the two types of fiber optic splicing
Fiber splicing is joining two optical fibers to create a continuous, low-loss, and highly efficient optical path. This connection is essential to maintaining the integrity and reliability of optical communication networks, whether they are used for internet connectivity, telephony, or …