@Solla-topee many thanks for the explanation, but alas it does not seem that it solves a problem. I have both WPA4220 and WPA7517 and both these are troublesome. WPA4220 runs currently your beta...

@TP-Link just wanted to ask again - are there any plans to release beta firmware fixing DHCP server issue for WPA-7517 (v1.0, EU) ? Thanks!!!

BTW - Is there any beta firmware (that disables DHCP server - possibly completely) for WPA-7517 (v1.0, EU)? It exhibits exactly the same annoying behavior, pinging my router for its DHCP server every...