I have several S210s and S220s. One of the S220s has one switch connected to mains lights, and the other not connected to anything. Instead, I use the switch to trigger an automation to toggle another

so basically I have replaced my 3 way switch with two Tapo s210, one is dummy, not connected to any cables and second one is working as 1 way switch to turn on light in the hall. So s210 connected to

can two separate Hub setups communicate with each other locally in same WiFi network or only with internet on? Will automation be locally controlled if one device is connected to 1st hub and other to