That was Home Assistant’s eth0 IP on the network. The thought was that maybe it’s not listening on the right interface.  I tried OpenHAB, similar issues. Decided Home Assistant was much more straight forward to set up with Aqara.  Bought a Pi3 B+ in case it was something software related, same issues.  Then I brought the whole setup to my work office, to test on the corporate network and suddenly everything was working perfectly!  The problem was my router. It’s a ZTE ZXHN H298N as supplied by H...