@2Dr Can your ISP get you a different IP? Does the attack follow your new IP? Maybe you are doing something online that has made you an attack target? if you aren't on a residential internet service...

@HandokoF

@Unraider Ok, then use Reset button (pinhole) and physically factory default the ER7206. You can then re-adopt and downgrade the firmware.

@WilliamNL Ok, I think it's as simple as the port profile ALL only accepts untagged traffic on 192.168.0.X/24. YOu can see this if you go to Controller->Wired Networks->LAN->Profile then click the...

@McGo Asked answered! https://community.tp-link.com/en/business/forum/topic/599224

@Unraider I'll find you some recent posts, but for now, you can download the posted previous firmware from the TPLink support site, and then use the Omada->Device->Config->Manage->Custom Upgrade and...