In order for two computers can communicate with each other, at least there are 3 things we should do, namely:
- Make sure both computers have been installed Network Card drivers.
- Prepare UTP cable with cable arrangement Cross Over
- Set IP Address both computers with different IP address but with the same subnet. For example:
A computer IP address: 192.168.0.1 with a subnet mask: 255.255.255.0
B computer IP address: 192.168.0.2 with a subnet mask: 255.255.255.0
After Cross Over UTP cable installed, the next step is setting up the IP address manually on each computer, here's how the computer with OS Windows XP:
- Click Start - Control Panel, double-click Network Connections.
- Right click on the Local Area Connection icon, click Properties
- In the Local Area Connection Properties window, highlight Internet Protocol (TCP / IP), then click the Properties button as shown below.
- Will open the window of Internet Protocol (TCP / IP) Properties, fill in the IP address as shown above.
- Do the same thing on the other computer. Set with different IP addresses.
To test the communication between two computers has been successful, PING commands between computers through the command prompt, if successful will appear Repply message as shown below.
If the computer can not ping each other, check the following:
- Check UTP Cross Over cable connections are correct
- Make sure that the LAN adapter is active (enable)
- Check the IP Address both computers, whether it is a single subnet
- Turn off the Firewall or enable (check) the option File and Printer Sharing in Windows Firewall Exception.
If both computers are connected to each other then we can share data or resources between computers, such as using the printer sharing or exchanging short messages over the network. For how to share data between computers on the network I will discuss in the next post.
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