Greyhound Lines, Inc. , usually shortened to Greyhound, is an intercity bus common carrier serving over 3,800 destinations across the United States, Canada, and Mexico.
In order for devices on the network to connect to the Internet, the router must be connected to a modem. Therefore, most routers have a specific Ethernet port that is designed to connect to the Ethernet port of a cable or DSL modem. A modem is a device that provides access to the Internet (see below). The modem connects to your ISP, which typically provides either cable or DSL Internet service.
1. Re: Connecting Network Extender to DSL Modem with only one ethernet port. I would get a router to put between the DSL modem and the network extender. Then you will have additional spare ports for creating/ expanding your home computer network. If you using the wireless on the DSL modem, you can turn off if you get a router with wireless built in and use the wireless from the router instead of the DSL modem. Hope that helps. Hope that helps.