@berridge Have you seen this post: https://community.tp-link.com/en/business/forum/topic/581548

@mwo This error message is usually caused by the presence of a loop in the network. The loop is not necessarily caused by the physical connection, but may also be caused by your VLAN settings, so it...

@gokitty199 Is the firmware version of your ER7206 the latest 1.2.3? The latest firmware version has been adapted to controller 5.6, which already supports setting up the OpenVPN Client to enter...

@MarkTSchre This error message is most likely due to the VLAN ID. If you have set a VLAN ID, try deleting it. If you have not set a VLAN ID, contact your ISP to confirm that it should be set.

@mwo Can this help you: https://www.tp-link.com/support/faq/2713/

@k3dx This is such a weird question. How exactly is DDNS set up? Are the account secrets all correct? Confirm that the DDNS Server is working correctly? Can you provide a screenshot to show how you...