Changing Your Zigbee2MQTT Channel Without Losing Devices
Zigbee2MQTT broadcasts a channel change to paired devices on zstack and ember adapters. The config edit, sleepy devices, and the backup-file trap.
~/archive $ ls -la
Archive
Network Configuration
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Aqara/Xiaomi Zigbee Router Compatibility Explained
Some Zigbee routers can't keep Aqara or Xiaomi sensors connected. Which brands are documented as failing, why it happens, and the fix to try first.
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ZHA Network Map: Built-In Visualization vs Third-Party Tools
ZHA ships a built-in Zigbee mesh map, though the menu path has moved. Where to find it, how to read it, and when the ha-zigbee-map HACS panel earns its install.
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Zigbee2MQTT permit_join: The Security Risk After 2.0
Zigbee2MQTT 2.0 removed permanent permit_join. What the 254-second join window still exposes, and how a device passlist controls membership locally.
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Zigbee2MQTT MQTT Broker Security: A Practical Checklist
A practical checklist for securing Zigbee2MQTT's Mosquitto broker and frontend, from the add-on's anonymous-access default onward. Every fix stays local.
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Block Tuya Devices From the Internet Without Losing Control
Blocking Tuya's cloud the naive way breaks local control. Here's the heartbeat mechanism behind it, and the blocking order that actually works.
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Aqara/Xiaomi Zigbee: Routers vs End Devices Explained
Which Aqara/Xiaomi Zigbee devices strengthen your mesh, and which just ride along. A local-only audit for your device list, no new hardware needed.
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Aqara and Xiaomi on an IoT VLAN with Home Assistant
VLAN isolation breaks Aqara hub discovery and Xiaomi Miio control. The fix is mDNS reflection, outbound NAT, and firewall rules in the right order.