@GeneraalSpeknek, short answer is I think you're replacing the default vlan with the test vlan. Both need to talk between devices. See this guide, it should help....

Sorry, reading on my phone and didnt see properly. 😣

@Kimberley_j87, Recommend double/tripple checking wiring especially the cable between the ONT and the router WAN Port. Fiber Cable -> Optical Network Terminal -> Cable -> Router WAN Port Router LAN...

Hi @GeneraalSpeknek, Is the diagram correct? It looks like the controller is physically wired between the router and switch. If so, that would cause a lot of issues.

Hi @trekpluto, Routers see traffic that it routs between two networks. Lan to Lan traffic doesn't go through the router (same network) and thus no firewall rules would apply. The solution is to put...

@Stoneypointe, try this... https://www.tp-link.com/en/support/faq/3091/