@Elishg I suspect whatever VPN you run on the device attached to the router may have that issue although I have never tried it. Seems somewhat logical to me.

@Elishg Sounds like the Proton VPN is blocking you.

@NickDA Are to talking about your modem or your router which is two different things unless you are using gateway? some have reported an issue to signing on to their modem when using a TP Link...

@SparkyBoy If you click on the blue router name in your post or go to the TP Link web site for that router, then click on the Specifications tab, you can see the streams under the WIFI section (8).

@JQuin If you are using Smart Connect, turn it off and set up two different SSIDs. That way you can control which devices are on each network. Show SSID, do not hide. If you are using a VPN, try...

@larry1210 Not that I know of.