TP-LINK This is a security issue , it is an important topic and there isn't excuses, 15 seconds in networking is a decade. If TP-Link can't manage advance networking features is better sell other...

I have the same issue. The topology is very simple 2 omadas (headquarters and branch) , one of them is L2TP server the other is client. Everything works perfectly, the branch can navigate on internet...

@Rigaro Could you explain the rules that you set? because I wasn't able to configure that workaround. On the other hand, I figured out a problem with the load balancing because I set my VPN interface...