Hello.my network in the diagram picture and the problem is i cant open port for the client,i tried to make dst-nat and src-nat for the port to the client and i couldn't i tried to do it in both client router and pppoe-server and it doesn't work i tried nearly everything how i can do it
but i tried the configuration with same client routerboard but with another (isp) its worked please look at the diagram in attacment file . thank you