@zarkub The specs say 100Mbps on Ethernet port, so there is nothing wrong with your switch, https://www.tp-link.com/no/business-networking/wall-plate-ap/eap115-wall/#specifications when it comes to...

@Willjim8 blinking when everything is ok

@Willjim8 try port 5-11 on lan an se if that help.

@Willjim8 perhaps this is some similar, do you use port 4 as a LAN port? https://community.tp-link.com/en/business/forum/topic/600330

@unhappycust0mer @Fae Yes, it was a bit optimistic :-)

@kogan @Fae the only option for you is to use TCP on the OpenVPN Server, there is a bug in ER8411 that makes IPsec more unstable if you use UDP. I honestly don't know if TP-Link is working on it,...