
Tuya on an IoT VLAN with Home Assistant: What Breaks
Moving Tuya Wi-Fi devices to an IoT VLAN breaks LocalTuya discovery, not local control. The mechanism, the one firewall rule, and the manual-IP fix.

Moving Tuya Wi-Fi devices to an IoT VLAN breaks LocalTuya discovery, not local control. The mechanism, the one firewall rule, and the manual-IP fix.

Your Tuya local key worked, then stopped. It didn't expire on a timer — here's what actually changes it, and the look-alikes that aren't a key problem.

LocalTuya, tuya-local, and Home Assistant's official Tuya integration are three different things. Which to install in 2026, and which fork to pick.

Blocking Tuya's cloud the naive way breaks local control. Here's the heartbeat mechanism behind it, and the blocking order that actually works.

Getting a Tuya local key for LocalTuya or tuya-local still works in 2026, but a subscription-expiration wall stops most first-timers. Here's the fix.