There is an error in the original ASUS firmware that they do not
they haven't been fixed for several years: the priority of the WAN interface over VPN tunnels, i.e. if you create a VPN connection to a server and set certain routes to it, then when clients request these routes, they still go through the WAN interface, and not through the VPN tunnel. In the MERLIN firmware, this has been fixed for a long time. But in this firmware, RTAX89X_R5.1.5b1-gce1a50e. trx the problem is still present. Can you fix it?