This isn’t ideal, but it’s definitely possible. The router would receive a local IP from behind the combined router/modem unit, so you’d be using a local network behind another local network, which will cause problems with port-forwarding - but it should work. Connect a separate router to your modem with an Ethernet cable via its LAN port and the router will get a public IP address from the modem, sending traffic back and forth and functioning as a standard router.Įven if you can’t disable the router features, you could plug your own router into the LAN port and create a separate Wi-Fi network. This will cause the modem to simply pass the connection through to the next device in line. On many of these combined units, you can disable the router functionality.
#All in one modem vs router how to#
RELATED: How To Troubleshoot Internet Connection Problems You won’t have to deal with problems that can occur if the devices fail to communicate properly. If the unit was provided by your ISP, you can expect them to troubleshoot it for you. If you already have one, you don’t have to buy anything extra or set it up. The main advantage to sticking with your combined modem/router unit is that it’s simpler.
ISPs also gain the ability to do other things with their modems, such as providing public Wi-Fi access to their customers via these combined modem/router units.
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Why split this functionality into two separate boxes that may have difficulty communicating with each other? This just requires more power outlets and potentially more troubleshooting - if you have a problem, you may have to troubleshoot the link between the modem and router to ensure they’re communicating properly. Having a combined router/modem also makes some sense. Customers don’t have to buy their own router and hook it up, and the ISP doesn’t have to field support calls from confused customers who have problems setting up their routers. The Internet service provider can hand their customer a box and that single box handles connecting to the Internet, creating a Wi-Fi network, and sharing the Internet connection between multiple devices. Why ISPs Provide Combined Router/Modem Unitsįor most people, having a combined router/modem unit is just simpler.
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