Individual skill

homelab-vlan-segmentation

Segmenting home networks into VLANs for IoT, guest, trusted, and server traffic using UniFi, pfSense/OPNsense, and MikroTik — including switch trunk config, firewall rules, and wireless SSID mapping.

auc/skill_library/bundled/homelab-vlan-segmentation/SKILL.md

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# Homelab VLAN Segmentation

How to split a home network into isolated VLANs so IoT devices, guests, and your main
PCs cannot talk to each other. The most impactful security upgrade for a home network.

All firewall rules shown here add isolation between segments — they do not remove
existing protections. Apply changes in a maintenance window and verify connectivity
between segments after each step before moving on.

## When to Use

- Setting up VLANs on a home network for the first time
- Isolating IoT devices (smart bulbs, cameras, TVs) from trusted devices
- Creating a guest Wi-Fi network that cannot reach home devices
- Explaining how VLANs work to someone unfamiliar with the concept