Saturday, July 17, 2010


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Here’s how the network topology will look like:

1. Buy a router with a number of ports close to the number of computers. For most people an 8-port router will suffice. You can start your search by looking at the Newegg page for wired networking. A good choice would be the LINKSYS BEFSR81. This router will connect to your existing internet connection via an Ethernet cable. It will also connect to your other computers through the same type of cable.

2. Connect the cable to the port available on your computer, as shown in the picture below. Do this for all the computers you wish to connect.

3. Connect the other end of the cable to the router. Afterward, connect the internet cable to the indicated port. In 99% percent of the cases, this is all you need to do in order to set up a network. The router and computer is already set up to use DHCP and should configure automatically.

4. If your computer doesn’t automatically recognize the internet connection, you need to apply the settings your ISP (Internet Service Provider) gave to you when you registered to the router. This may be a PPPOE username/password combination or another validation method. The router manual contains instructions on how to access the configuration application of the router. These days, router interfaces are user friendly and are easily configured, just refer to the manual.

Once the network is set up, read through the sections that explain how to share files and do other network related tasks. Modems are devices that negotiate a connection between your internet service provider and a network interface (computer, laptop, and router). Most routers have integrated modem capabilities (for PPOE connections for example), but cannot interface directly to connections that don’t use the RJ-45 connector. That's why usually internet providers have a modem that connects the internet line with the router from where connection distributed to all connected PCs. Also modems do not usually have the capability to connect to multiple computers at the same time but routers do. That's why when you want to use one internet line for multiple PCs you almost always need a router.

Wireless networks today offer enough speed to satisfy even the most prolific file sharing, movie streaming, network backup fanatic. Using the latest generation of wireless routers, equipped with MIMO(multiple inputs and outputs) and 802.11n transmitters, you can at least in theory get a throughput of 108Mbits, which is many times over the capacity of your internet connection.

A wireless network gives you freedom to use the Internet anywhere around the house or even in the backyard. Considering how many mobile devices support wireless networking today, it’s a good investment for the future.

Wireless networks are slower and less reliable than wired connections. Some security researchers consider that wireless is an inherently flawed technology – data can be trapped and analyzed later without the need of a physical tap. Setting up a wireless network is hassle free and can be easily upgraded later, no need to change the cables in all of your house.

In order to set up a wireless network you need a router and a device with a wireless network adapter. This could be your PC, laptop or iPod touch. A good place to start shopping for a wireless router is the Newegg page


Networking]. A good wireless router is the LINKSYS WRT610N available here



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