You can connect to the internet using the modem alone or the modem router combination device. Herere some very good reasons why you should use a separate router and modem.
Belkin Official Support Manually Setting Up The Belkin Router
How to connect wireless router without modem. How to connect a router to a modem. Plug one end of the cable into the new routers uplink port sometimes labeled wan or internet. For best results place your router near your modem. Plug the other end into any free port on the first router other than its uplink port. Make sure to note your passwords and security mode wpa2 wpa or wep. A router that supports wisp operation able to use wifi as an internet port might be better suited to what you have in mind.
A second router that doesnt have wireless capability must be connected to the first router with an ethernet cable. At this point you can proceed to configure the second router. Connect a second wireless router. Connect your router to your modem. Using a standalone modem and router. Connect the router and the modem with an ethernet cable.
Connect your modem to the wall outlet you get your internet through. Connect an ethernet cable to the ethernet port on your modem. However the ultimate way of utilizing your isp provided internet connection is by using a standalone modem and router. Reset the second router to factory settings and connect it to the main router via ethernet cable. Select wireless settings and write down the channel wireless mode and the ssid. Wireless router setup without modem the wndr3400 can serve as a repeater but only the main network has security turned off.
Connect the other end of the ethernet cable to the wan port on your. Connect an ac adapter to your modem and plug it in. To do so you will need to connect your broadband modem to the router. Routers and wireless routers enable you to share your broadband internet connection with multiple devices.