[admin@MikroTik] > ip route add dst-address=0.0.0.0/0 gateway=172.27.1.1 routing-mark=clientmark
[admin@MikroTik] > ip firewall mangle add action=mark-routing chain=prerouting src-address=192.168.88.0/24 new-routing-mark=clientmark
[admin@MikroTik] > ip firewall nat add action=masquerade chain=srcnat src-address=192.168.88.0/24 out-interface=ovpn-srv