By default, all internet traffic from the VPN client will go through your MikroTik (full tunneling). This increases latency but provides security.
Настройка L2TP сервера в MikroTik - курсы mikrotik training mikrotik l2tp server setup full
If you want, I can:
/ip firewall filter add chain=forward src-address=192.168.100.0/24 dst-address=192.168.1.0/24 action=accept comment="VPN to LAN" /ip firewall filter add chain=forward src-address=192.168.1.0/24 dst-address=192.168.100.0/24 action=accept comment="LAN to VPN" By default, all internet traffic from the VPN