Thanks all for input. I've tried multiple browsers without any effect. I've tried removing and re-entering config, reboot, removal of 3/4G modem, and so on. My issues are; Client l2tp-vpn not...

@shberge Thanks for your input! That sounds horrible. I have not used TP-link for more than power lines so far but this sounds upsettingly bad. I would have to consider a new vendor. With 4G backup.

Hi. (New on the block) 2 months ago I thought I'd leave my Asus 68 and change my router to a wired one since I have 4 APs and don't need a wireless router. Also I wanted a modern and stable platform...