You need to configure all the Mikrotik PPPoE gateway with your network parameters (Wan Interface, PPPoE network, interfaces,ecc).
It must be filled in all section with an IP address, network mask, DNS IP address, first and last IP address for the DHCP address pool and DHCP lease time as shown Figure PPPoE Network.
Click the Save button on the top right of the page.
HSNM offers you two options for configuring your MikroTik: automatic and manual configuration.