 CABLE MODEM And router
OK so first off. i moved and i used to have DSL and it worked great but cant get that here were i live. i also cant get dial up because it does not work with the new digital voice that's what they told me version said this??. ok so here is the deal. will this work and will it be safe. the only way i can get a new ip address is to bridge the cable modem to the router. i have 4 ebay acc. what i was thinking of doing is just to buy 3 more of these will this work. what i really want to know if my modem lets say my ip on my modem is 123. then i bridge my router to the cable modem and that ip is 476. will eBay be able to see the modem ip and not the router's ip???? i am great at making the paypal and ebay acc. never had this problem be for DSL worked great turn it off and it gives you a new ip. ok here is my gear i am using. also i am totally new to this . i try ed to change the mac address and no luck. if any one has a very easy guide that would help i have try ed Vicvelcro way ad it does not work. maybe i am doing something wrong ??
i have Comcast cable with dynamic ip
my router is linksys n300 WiFi router./e1200
please i need help 
PS for the Comcast internet this is a dynamic IP i log the ISP and they do change i can not fore it to change at all. the only way i can get a new IP is what i have said. any info will help thanks guys   | 
pc3941t dual -band wifi 802.11ac xbc
