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I have an raspberry pi 4B as octoprint webserver and I use a Ubuntu 20.04 machine to access it over octopi.local.

Recently octopi.local stopped working. I tried ping octopi.local, and sometimes it responded with the IP "192.0.x.x" (so my home network), other times it responded with "10.8.x.x" (from what google said, this is OpenVPN, but I never installed that) and sometimes it is "100.x.x.x" (which is from a service called tailscale). I disabled the openvpn serivce on the raspberry pi, because there was no response on 10.8.0.1, now it switches between the tailscale and the local-network ip randomly.

I already tried editing /etc/nsswitch.conf to hosts: files dns mdns4_minimal [NOTFOUND=return] mdns4, that resolved the 10.8.x.x error...

I am kinda new to such networking stuff, so I hope you understand what I mean. I am trying to point octopi.local always to 192.168.0.x

CommanderRedYT
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  • Put mdns4_minimal before dns in nsswitch.conf see https://askubuntu.com/a/853284/26246 for more info. what missing too that avahi on target machine should broadcast the local address not those from VPN's. Let me see if can find something about it. – user.dz Dec 16 '20 at 16:35
  • Try setting allow-interfaces= or deny-interfaces= in /etc/avahi/avahi-daemon.conf of target machine so it uses on correct interface. – user.dz Dec 16 '20 at 16:44

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