Supernetting is something like the inverse of Subnetting. With Subnetting, you take one Network and divide it into multiple sub-networks (subnets). With Supernetting, you are doing the opposite: you take multiple subnets and aggregating them… Read More »Supernetting, IP Aggregation, and IP Summarization
If you’ve been doing Networking, then you are probably familiar with CIDR notation, and how it correlates to Subnet Masks and Wildcard Masks. Which means you know that a /26 correlates to a Subnet Mask… Read More »Discontiguous Wildcard Masks
If you understand Subnetting, then you probably know that the CIDR notation of /24 correlates to the Subnet Mask of 255.255.255.0. But did you also know both of those correlate to the Wildcard Mask of… Read More »Wildcard Masks
Binary numbers, ones and zeros — the language of computers. The entire Network Engineering industry can be diluted to having a goal of simply carrying those ones and zeros between two computers. In this video,… Read More »Binary Numbers — Counting and Converting
These five terms all refer to somewhat overlapping concepts. As a result, some confusion has surfaced about what each of these terms actually mean, and how they differ from each other. That is what this… Read More »Classful vs Classless vs CIDR vs FLSM vs VLSM
I’ve just completed Part 2 of the VLSM and FLSM extensions of the Subnetting Mastery video series. The series now, more than ever, covers everything anyone would ever need to know about Subnetting. The series… Read More »FLSM and VLSM – Part 2
After many requests to extend the Subnetting Mastery video series, I am adding an appendix which will cover Fixed Length Subnet Masks (FLSM) and Variable Length Subnet Masks (VLSM). This is Part 1, which teaches… Read More »FLSM and VLSM – Part 1
Lately I’ve been working on a Subnetting Mastery video series. The goal is take someone with little to no exposure to subnetting and make them a subnetting pro. I’m happy to announce that the video… Read More »Subnetting Mastery