@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/

@Kimberley_j87 if the switch is connected to the "lan" port on the router and the router "wan" port is connected to the ONT it should work. If everything is plugged in correctly, try plugging two...

@ITV, I looked at the config, but not obvious (at least to me) it was LACP. What OS/version are you using?