VLAN Basics for Home Labs: How to Segment Your Network
A VLAN home lab setup isolates IoT devices, cameras, and guests from your trusted network. Learn the hardware you need, how tagging works, and common mistakes to avoid.
Subnetting Guides: Masks, CIDR, VLSM & Examples | NetworkCheckr
Subnetting made simple — subnet masks, CIDR notation, IP address formats, and advanced techniques like VLSM and supernetting, with worked examples.
CIDR Notation Explained: How to Read /24, /16, and /30
CIDR notation looks cryptic until you know the two parts. Decode any block in seconds — what the slash means, how many hosts you actually get, and why the cloud gives you fewer.
VLSM and Supernetting: Advanced Subnetting Techniques
TL;DR — The Short Version VLSM (Variable Length Subnet Mask) divides a network into subnets of different sizes. Each subnet matches its real host count. Fixed-length subnetting (FLSM) wastes addresses by forcing every subnet to the same size. Supernetting (route aggregation) is the reverse. It combines contiguous networks into one larger block to shrink routing … Read more
Subnetting Made Simple: A Beginner’s Guide to CIDR Notation
TL;DR — The Short Version Subnetting divides a large network into smaller, more manageable segments for better security, performance, and organization. A subnet mask tells you which bits of an IP address identify the network and which identify individual hosts. CIDR notation (like /24) is shorthand for how many bits belong to the network portion … Read more