LillyJLeon wrote I mean, is it really an issue if they work? It does seem like my bulbs respond to a ping after a while. When I tested, the first 4 packets returned "destination host unreachable",...

@CX23882, that's a quality response. Thank you. Ubiquiti's default DTIM setting has been "3" for a good while now. When they made the change, customer-configured DTIM settings were maintained, but...

@Tony, thanks, I've since returned the two most recent KL130s and tried a KL125, which is working fine.

@jlboggsCO Nope, no Homebridge here. All Amazon/Alexa controlling Kasa, Hue, and August devices. We have some Apple devices, but we don't use HomeKit. I don't even mention it to Siri.

@xpanmanx One hopes that TP-Link is watching this conversation. We're giving this problem the good ol' college try ... maybe it will be of benefit to them.

@jlboggsCO I'm running pfSense for DHCP/DNS/VPN/NAT/firewall etc. I also run pfBlockerNG-devel, so there's some DNS blackholing taking place. I use a NAT to force any outbound DNS query to my router....