So i just bought a Apple Airport Extreme to speed up my internet but having a bit of trouble connecting it. I have a Arris TM502G Modem for my phone and internet, but when i connect the Airport to the ethernet port on the back of the modem it says no internet connectivity. I also have a Netgear CDG24G Advanced Cable Modem , supplied by my ISP for wireless, but im trying to replace that which is why i got the airport. I tried connecting the ethernet cable to the Netgear modem and it got connectivity. Im trying to bypass the netgear modem as it overheats and seems slow. So how would i go about connecting the AIrport to my Arris Modem? Or do i need to buy a certain modem to do so? Thanks for the Help