how to create simple switch of rb750

how to create simple switch of rb750 plz explain

http://www.wirelessinfo.be/index.php/mikrotik/pages/switch

Picture1 Click “interfaces” then double click your “ether1”.

Picture2 At “master port” switches the status to “none” then click “apply” then “ok”.

Picture 3 Double click back at “interfaces” now on “ether2”.
Picture 4 At “ether2” turn your at “master port” then put in, at all ethernet ether1 ports you want to put the master port in switch mode on “ether1”. The Mikrotik router board is now set up as a switch.
Do that also to ether 3, 4 and 5