@ITV Ok, I se whats the problem, Long storry but ER7206 have buggy software in the version you use now, SHA256 don't take effect, whit the beta this is fixed and then the router don't connect to...

@Pascal I have also tried to contact support about different ER8411 bugs but have given up, the latest firmware has fixed something, site to site vpn is much faster and cpu has slowed down a lot,...

@ITV I do a test, vpn site to site work whit no issue between my routers with this sotware TL-ER7206 v1.0Firmware Version:1.2.3 Build 20230224 Rel.60828 TL-R605 v1.0Firmware Version:1.2.3 Build...

@Pascal have you tried the new firmware that came out yesterday? ver 1.0.3 is available for download

@Remy4409 I did a test here, L2TP-Server worked here now, I used a windows 11 pc to connect vpn

@Remy4409 yes I know, nothing works as it should except site to site vpn, There are even problems with the L2TP client on the ER8411, luckily I found out that the remote site which is unifi had to...