Help setting up Belkin N150 Wireless Router with Modem to reliance wired broadband

i want to replace the stock modem provided with Belkin N150 Wireless Router with Modem...note that this is a modem+router...can some one tell me the configurations....

Hey check out the youtube video :
https://www.youtube.com/watch?v=ScdAmB7mkdc
( The video isn't mine. )