this post was submitted on 12 Nov 2023
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Home Assistant is open source home automation that puts local control and privacy first. Powered by a worldwide community of tinkerers and DIY enthusiasts. Perfect to run on a Raspberry Pi or a local server. Available for free at home-assistant.io

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HA autodiscovery (self.homeassistant)
submitted 11 months ago by 1111 to c/homeassistant
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Hey guys,

I'm having some trouble getting back into home assistant. I was running fine on an RPi with HA in docker, but during some tinkering on another project broke the whole thing and it was easier to start from scratch.

Since last time though, I've installed a mesh WiFi system (TP link Deco). These are running in Access Point Mode. My new HA is up and running again, but hasn't auto discovered anything. I recall being surprised last time by the amount of things it found and how easily. I think there are some network settings preventing proper auto discovery, can anyone give me any tips?

Thanks in advance!

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[–] [email protected] 5 points 11 months ago (1 children)

Make sure mDNS is working properly in your network.

[–] 1111 2 points 11 months ago

Thanks! I've seen this phrase before when hunting around some other forum posts. How can I check this? I assume on my router or on the access points? I can't see anything in the Deco app about this, I found this link that suggests it might not be supported?

[–] [email protected] 4 points 11 months ago (1 children)

If the dockers networking is NOT in host mode it will not really discover much as discovery depends on a lot of ports for a lot of different protocols.. As bookworm also noted DNS / mDNS is also very important to discovery.

[–] 1111 1 points 11 months ago (1 children)

Thanks for the advice. Is there a certain YAML file or something I should be looking at to check this? I installed via portainer and haven't seen any of the configs this time around

[–] [email protected] 2 points 11 months ago (1 children)

I highly suggest using the "stacks" feature in portainer as it lets you use standard docker compose YAML files to do the config but still lets you have the ease of use of the stop start, pull, CLI UI etc. The default way of using portainer often obfuscates important settings.

[–] 1111 1 points 11 months ago

Nice one, I'm going to check this out!