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Chapter 2: Setting Up and Getting Started
14
Ethernet networking
Wired Ethernet networking
An wired Ethernet network consists of two or more
computers connected together through an Ethernet
cable. This connection type is commonly used in offices
around the world and can be used to build computer
networks in the home.
Ethernet, Fast Ethernet, or Gigabit Ethernet
Ethernet is available at three different speeds.
Standard Ethernet runs at 10 Mbps, Fast Ethernet runs
at 100 Mbps, and Gigabit Ethernet runs at 1000 Mbps.
Most home networks are built using Standard or Fast
Ethernet components. Business networks are typically
built using Fast or Gigabit Ethernet components.
To create a wired Ethernet network, you or your
electrician must install special Ethernet cables in your
home or office.
Using a router
The most common way to set up a wired Ethernet
network is Dynamic Host Control Protocol (DHCP)
using a router. A DHCP network configuration uses a
router to automatically assign IP addresses to each
computer or network device. For information on
setting up a router, see the router’s documentation.
Example router-based Ethernet network
The following is an example of a wired Ethernet
network. The network is made up of a router, a cable
or DSL modem, your computers, and cables connecting
each of these components. The router is the central
control point for the network.
Important
Check local code requirements before installing Ethernet cable
or other wiring in your home or office. Your municipality may
require you to obtain a permit and hire a licensed installer.
Tip
To add the ability to access a wireless Ethernet network to
your wired Ethernet network, connect an access point to the router
or use a router that has a built-in access point.