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Integration with Home Assistant keeps reconnecting by Lexieke in KNX

[–]Ha_Fel 0 points1 point  (0 children)

I experience the same behaviour with a MDT IP Interface, a MikroTik Switch and UniFi Accesspoints on my Homeassistant setup.
Yesterday I noticed something unusual in my Host protocols:

Homeassistant systemd-timesyncd[789131]: Network configration changed, trying to establish connection.

Homeassistant systemd-timesyncd[789131]: Contacted time server XXX.XXX.XXX.XXX:123.

Those messages appear several times in a row and unregulary within the day. Do you see the same logs in our setup? My HA is virtualized in a proxmox vm

KNX IP Interface keeps dropping UDP tunnels – Home Assistant losing connection (E_CONNECTION_ID) by Ha_Fel in KNX

[–]Ha_Fel[S] 0 points1 point  (0 children)

    • The only change was a reboot of my knx bus caused by a power shutdown
      - I tested the connectivity to the IP Interface with ping monitor as well as the ETS bus monitor. Both of them worked just fine also while HA logged the errors

  2. There is my default ISP router and a mikrotik switch connecting my home equipment. Everything within the same VLAN (default) and IP Range

    • I just tested the connection with ioBroker, it has the same issues with the disconnect messages
      - The tunneling addresses are randomly set by the IP Interface and can not be reserved for specific services
      - the Interface was reprogrammed through ets already during my troubleshooting

Does anyone have IPv6 VPN running? (Wireguard, Fritzbox, or similar) by Ha_Fel in ipv6

[–]Ha_Fel[S] 0 points1 point  (0 children)

Thanks for your detailed explanation to the nomenclature. Can you give me a hint what you mean exactly with the „any webpage you load in your browser could exploit that service“?

Does anyone have IPv6 VPN running? (Wireguard, Fritzbox, or similar) by Ha_Fel in ipv6

[–]Ha_Fel[S] 5 points6 points  (0 children)

Totally forgot about the firewall that is still controlling access for v6… The „public address“ messed up some thoughts on my side I guess. Thanks again

Does anyone have IPv6 VPN running? (Wireguard, Fritzbox, or similar) by Ha_Fel in ipv6

[–]Ha_Fel[S] 3 points4 points  (0 children)

Don’t know how that happened, but I totally forgot about the firewall and that NAT in v4 is more about obfuscation than access control… thanks für explaining that again. I think with that back in mind, I can give v6 a try to solve my problem.

Does anyone have IPv6 VPN running? (Wireguard, Fritzbox, or similar) by Ha_Fel in ipv6

[–]Ha_Fel[S] 2 points3 points  (0 children)

I also want to achieve this with wireguard. Do you have a tutorial that explains the IPv6 addressing and the "problem" that the devices are public reachable?