@phil.brown87 https://community.tp-link.com/us/smart-home/forum/topic/265976

@4KVIDTECH try using reserved IP's for these devices (actually a good idea to reserve IP addresses for ALL your Smart Home devices)

MizzouMan2k wrote 1) I have one of the TPLink smart 3-way (non-dimming) switches in my garage. I have a standard 3-way switch at the other end of the circuit, so this definitely works. 2) However, I...

IF all three wires to that switch in your image all come from the same Romex, then this is the potential scenario I described above: And IF that is the case, you cannot use a dimmer in the first...

@Bethel.8009 The dimmer would certainly be complicating things, especially if it is at the Line End What you show in your image is very atypical When a Red wire is involved, it would be with a 3-wire...

@glaze Can you show images of your connections in the switch box? Are you sure you connected at the Line End and also that the white you used was indeed a Neutral (and not a traveler?) Sometimes...