/interface wireless
set 0 mode=ap-bridge
/interface ethernet
set 1 master-port=ether1
set 2 master-port=ether1
set 3 master-port=ether1
set 4 master-port=ether1
/interface ethernet set ether2 arp=proxy-arp
add action=dst-nat chain=dstnat disabled=no dst-port=3307 in-interface=pppoe-arnet protocol=tcp to-addresses=192.168.73.105