@home_p May I have your detailed network diagram and where is the Cisco VPN server? Basically, there is no special requirement for the settings on the WR840N and we just ensure the internet settings...

@kolijk Please confirm Advanced security settings on your router web UI and ensure "Ignore Ping Packet from WAN Port to Router" is not enabled:

@Coinup Theoretically, this AX11000 can work with all DSL or cable modems in the market, we just need to ensure there are no special limitations on your ISP side and there won't be an issue. Good...

@Paul_TP-69. It is suggested to reset the router to its factory defaults and set it up again: How to reset TP-Link router to factory defaults What should I do if I cannot access the internet through...

@Eine Hello, May I have a detailed network diagram? Is it like modem-C6---PA4010---WPA4220))((wireless clients? What are the devices encounter this speed issue? Do you mean when those devices switch...

@hasnat_bd Hello, thanks a lot for your valued suggestion. Currently, there are not any plans to eventually add the support for Bandwidth Control on the Archer C6, but we do agree that this would be...