PCC Balance and PPPoE-Server separated, how to dst-nat ports

Hello everybody,
I have a scenario, where I have a PCC Balance on a routerboard and below it interconnected by a / 30 I have a pppoe-server, and I have nat-masquerade only in PCC-Balance that forwards connections to pppoe-server by static routes, everything works fine, but I can not do dst-nat from ports to one of my pppoe clients on pppoe-server.

I create the dst-nat rules on the first and second mikrotik router pointing to the respective ip, what can be wrong with my configuration?