Hello Fellow hassers 
I wanted to conenct my 2 locations, where the 2nd is my garage with few devices, I want to control with ESPHome. For this, I wanted to try out the Tailscale Add-on. (Tailscale is a zero-config P2P VPN soulution, and it is really great, if somebody can use it properly - I can’t yet…)
What I did:
- I’ve installed Tailscale add-on to my HASS system (RPi4, HASSOS)
- Added the server to Tailscale network
- Installed the subnet router to a linux machine in my garage, and added the subnet to the advertising list
- Added the subnet router to tailscale network
At this moment, everything worked:
- the HASS server was connected to the VPN network, I was able to ping the devices from the other subnet
- I was able to control all entities and devices in my config - except the ones in my garage from that ESP node
And I made a mistake: I’ve messed around with the DNS settings on Tailscale’s website.
- Enabled MagicDNS and added a DNS server.
- My HA became unavailable
- disabled the DNS in Tailscale
- Rebooted my HA
- Disabled and removed the Add-on
- The HA working again…
- Reinstalled the addon, and re-authenticated it to Tailscale.
- If I turn it on, the local devices turn unavailable: ESPHome nodes, IKEA, etc… This worked before
Now, on the Tailscale’s website, there are 2 entries under the HA machine: subnet router and exit node request, what I did not set up…
The problem is, that I cant access any config file from the Tailscale add-on, and the kind Tailscale support suggested me to run the following command on ssh.
tailscale up --advertise-routes="" --advertise-exit-node=false
It does not worked, no such command.
The truth is, that I don’t really know, how the add-ons are working, and running on HASSOS. Maybe I should call an other container?
Any ideas are very appreciated
Greetings, Robert