@Cez91 Hi, Yes, the RE305 V4 still supports OneMesh, even after you have updated it to the firmware version that adds support for EasyMesh. Note that the word "OneMesh" is not shown in the settings...

@JujustuPC Hi, Is there a specific reason why you don't want to install the driver you mentioned by running the included "Setup.exe"?

@Shihab8122 Hi, Here is the link you are looking for https://www.tp-link.com/en/support/download/archer-c64/#Firmware .

@Taadaahh If you need a router that can work as VPN Client, then yes, you need to buy another router that has this feature.

@Taadaahh Hi, There is a pre-release firmware available for the Archer C80 V2.20 that adds L2TP/IPSec VPN Server functionality. Would that help you in any way?...

@Hikky Ok. Now it's apparent what the problem is. The TL-WR840N is acting as (another) DHCP server and messes everything up. Normally, when choosing "Smart IP(DHCP)" the range extender should be...