@Phreaknes check whether you have enabled vlan on the interfaces connected to the switch

@graps You must have public ip on wan on both routers. otherwise it's pretty straight forward, the only thing you have to take care of is to set router based on UDM-PRO when you connect to the...

@NutsB22 you are talking about two different technologies, L2TP/Ipsec has the possibility of full tunneling on TP-Link as well. but Android no longer supports L2TP, you need to use wireguard or...

@gskips

this is not a big test, but I left the OpenVPN tunnel connected for a few more hours, 4-5 hours without it stopping and working this time. I use the latest firmware on ER8411 which is 1.2.2 Build...

@gskips I have an ER706W in a lab and it connects fine, OpenVPN never disconnects, it also delivers close to what the specifications for this router are. last time I tried ER8411 against the same...