One of the best ways to share an Internet account is to use a hub device that provides DHCP services to the network. These devices have the DHCP software built in and handle the administration of IP addresses for the network automatically.
In addition to basic DHCP services, some of these devices also include special features, such as built-in firewall protection for your network.
The general steps for installing and using such a device are the following:
Choose and obtain the device.
Install the device on your network.
Configure the device to connect to the Internet.
Attach the computers and other devices to the network and configure each device to use the DHCP server. ...