Point#1 applies only to the Old Green UI routers and some recent entry level router models like WR841N / WR840N - details. As per the OP inquiry you could test with the Cloudflare's DNSs for "Adult...

@Ollek You won't be able to use VX800v as a satellite device in an Easymesh setup according to this guide: " For TP-Link EasyMesh DSL Modem Routers & 4G/5G Routers, such as the Archer VX1800v, it can...

@vfrgpz Try the following: Edit your PPPoE connection and set a custom DNS servers like in the screenshot bellow and test how it goes.

@hWmMzIfYNRISEgn I understand the issues you've described. I think at that point in time, this probably has been the only accepted solution. That's because the FW is evolving constantly, so lets hope...

@RoryFan Since it's not clear what exactly is the root cause of your issue there's another thing you could do - downgrade the router FW to the previous release (v1.2.3) and test again. Another option...

@RoryFan How about your DHCP Pool, is it big enough to accomodate more that 15 devices: Make sure your LAN Subnet mask is 255.255.255.0 Any Access Control whitelisting, Parental Controls or...