homelab-vlan-segmentation
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
- Configuring trunk ports, access ports, and SSID-to-VLAN mapping
- Troubleshooting inter-VLAN routing or firewall rule issues on pfSense/OPNsense/UniFi
How It Works
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