If you want to transfer some of your data files from one computer to another in your office, what will you do? One option is to execute a floppy or a CD and copy the data from the source computer and go to the destination computer and download the file. This method is very time-consuming and can not be copied more than 1.44 megabytes on the floppy disk, 800 MB on CD.

What to do if more than 2 GB or more data needs to be transmitted? You can use LAN here. LAN is a group of two or more computers that can share information and resources. Depending on the size of the network, a computer can be placed every 1000 if the computers are stored in one building or one location. Here I'm going to tell you how to build a 5-10 small computer local network. First, you need to know the tools needed to install the LAN.

Computers: – Obviously, two or more computers are required to create a network because a computer can not create a network.

Cables: – Depending on network size and usage, you can select the category of cables. You can use a CAT5 cable for a small network that supports 10/100Mbps. However, you can also purchase the Cat 6 cable that can support up to 1 Gbps. Here I will use the CAT5 cable.

Hub / Switch: – This is a device that is placed in a central location and connected to each computer. These devices can be 4, 8, 16, or 24 ports. They come with several ports. Today, switches are used everywhere because they are much larger than HUBs.

NIC: – Network card required for PCs. Here you can get a 10/100 or 10/100 / 1000Gbps card. Again, this depends on your needs and budgets. One endpoint of the network cable connects to the computer to the network card and switches to another end. Note: Most computers now have a built-in network card so you do not have to buy a network card if you already have a motherboard on your computer.

RJ45 connector: These are the small sockets that need to be punched at both ends of the cables. You do not have to buy these connectors separately because the available cables are available on the market, but of course if the desired cable length is not available, you will need to pin the RJ45 connectors and strike at both ends of the cable according to the wiring standard .

If you already have all the tools you are ready to connect between computers and certain Windows settings. Follow the steps below to build and operate the network.

first Step – Open the computers individually and install the network card. As mentioned above, if you have a network card built into your computer's motherboard, you do not have to do this. It's better to buy a computer with a built-in network card, saving you a lot of time.

2nd Step: – Connect each computer individually to the hub / switch. After connecting all computers, just switch on the switch.

3rd Step – You must now make some settings on your computer. Each computer must be unique to identify that another computer can identify. People only know people in their name, computers identify each other's unique IP address. These are 32 bit octets, in 0 and 1 formats. An IP address is written in decimal form, such as There are two ways to deliver IP addresses, sitting on each computer, entering the IP address, and the other through the DHCP server. You can specify the DHCP server as a Microsoft Windows 2000/2003 Server service that automatically sends the IP address to the computers as they start up. A 10-20 PC small network does not require a DHCP server, but it is very confusing for a large network and it is time consuming to manually enter the IP address. In our scenarios, you can manually enter the IP address because we have only 10 PCs built. Now log on to computers with administrator privileges and follow the steps below to assign an IP address to your computers.

a. Click Start – Settings – Network Connection, and then double-click Local Area Connection.
b. In the new window, click Properties and scroll down the new window to select the TCP / IP protocol. Double-click on it, or click Properties to enter the IP address.
c. In the open window, enter the IP address in the specified location. Under the IP address only subnet mask can be selected. Once you enter the IP address, the subnet mask will automatically appear depending on the selected network class.

Once completed, simply save the settings to the application and click OK. Repeat all three steps on all computers, but do not forget to give a unique IP address to each computer. You can check the connection between computers if you start a command called PING on each computer. Just go to the command line and type ping IP ADDRESS (for example, Ping, then reply to another computer with the IP address of, remember that the PC you are trying to ping it. If you receive a message saying that TIMING REQUEST means the PC trying to turn off the ping or there is a problem with the connection. So you have to check it out.

These settings are sufficient to run the LAN up and running on the IP settings page. There are also some options that you can set as long as you have installed these services on your network. For example, DNS, Gateway or WINS.

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