@techhater Hi, Can you please post the exact model number of your router and the hardware version? TP-Link has at least ten different "AC1200" routers on offer. (...

@BTree Just out of interest. What is the exact error message you see when it fails to copy a file that is larger than 15 MB in size? Is only this particular Western Digital 2TB HDD having problems or...

@Kai_F If you feel like you can live without the Mesh, then setup the AX73 the same way as the ASUS router was set up and just exchange the ASUS router with the AX73. If you really want a true Mesh...

@mast I don't know what is happening there. But apparently you are not the only C80 owner who has this issue. https://community.tp-link.com/en/home/forum/topic/248640

@mast Ok. Can you try if it makes any difference if you set "Internet Connection Type" on the C80 to "Static IP" and then manually enter an IP address that is outside of the DHCP range (address pool)...

@mast Hi, What are the Internet IP address and the LAN IP address of your Archer C80? You can see both conveniently in the Archer C80's configuration GUI in the "Advanced" menu under "Network" ->...