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Access Google Home devices via VPN

Vrooooum Posted messages 2 Status Member -  
brupala Posted messages 111146 Registration date   Status Member Last intervention   -
Hello everyone,

I am working on a home automation project in my mountain house. Most of my equipment is compatible with the Google Home app, which will allow me to control my devices remotely.

To achieve this, I set up a VPN server with a Raspberry Pi using Wireguard (with PiVPN for the installation). My VPN is working correctly, and I can access my Raspberry Pi via VNC.

The problem is that the Google Home app does not seem to recognize my phone on the local network. Do you have any ideas?
Is it due to the NAT occurring between my phone and my local network (where the Raspberry Pi acts as the router)?
Do I need to be on Wi-Fi for the app to recognize me?

Thank you in advance for your suggestions.
Vrooooum

2 answers

  1.
    brupala Posted messages 111146 Registration date   Status Member Last intervention   14 448
     
    Hi,
    it's all confusing, too much information out of context.
    The main topic is the Wireguard VPN and PiVPN that isn’t establishing, right?
    What is the mobile application that uses this?
    Also, I don’t really know what Google Home is for or what it uses either, I suppose it’s cloud access, not local connection.
    Basically, I don’t care about Google Home as an app, what would be interesting is to know how it connects and to what, the kind of stuff they don't explain, right?

    --
    and ... There you go!
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  2. Vrooooum Posted messages 2 Status Member
     
    Hello,

    Thank you for your response.

    I have relays connected to the Google Home app, and from the app, I can turn my relay on or off.

    My VPN is working, no issues there. The idea is that devices connected via the VPN get an address in 10.0... and local devices are on 192.168...
    This is normal because VPN devices are isolated and connected through a NAT router, which is said to be the Raspberry Pi.

    My problem is that the Google Home app does not recognize me as being on my home's local network. And the goal is to understand why.
    I was thinking that removing the NAT between VPN devices and local devices might help the app recognize me. But I'm not sure about that, and I'm not entirely sure if it's possible.

    Thank you
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    1. brupala Posted messages 111146 Registration date   Status Member Last intervention   14 448
       
      Surely the Google app is a bit clueless if it considers that the 10.0.0.0/8 network is a public network, but it's them who need to be put in their place, not changing the configuration of your devices.
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