@Janez Great, please then follow it up with the support team directly. Good day.

@Goral Hello, thanks for asking. You may refer to this guide below to achieve it by leaving the whitelist empty: https://www.tp-link.com/support/faq/1008/

@Coconut Hello, just confirmed with the dev team that there will be no plan to add the support for 160mhz due to hardware and firmware limitations, sorry about that.

@Wheels Is there any QoS setting on the C5400? Try to disable it, then confirm. BTW, I will send you a PM, pleae check and confirm, thanks.

@tomyummmm Have you updated the router firmware? Please ensure you have a stable connection by connecting your main PC to the Starhub modem, then write down its MAC address, connect the C6 back, then...

@DiogoElvas Thanks for the screenshot, I understand it now. It seems that you have a central ER6120 which acts as the main gateway, all the devices in the network will obtain the IP address from the...