Для изменения IP: *.sn.mynetname.net
/ip firewall address-list add address=cloud.mikrotik.com list=mikrotik-cloud add address=cloud2.mikrotik.com list=mikrotik-cloud /ip firewall mangle add chain=output dst-address-list=mikrotik-cloud action=mark-routing new-routing-mark=via-wan-x /ip route add routing-mark=via-wan-x gateway=ip.of.wan-x.gw /ip firewall nat add chain=srcnat action=masquerade routing-mark=via-wan-x src-address-type=local