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Discovering your network

On an IPV4 system the the PC’s address is determined by 4 decimal numbers separated by dots, thus “192.168.1.6” The network is the first three numbers.

192.168.1.6 Network address

Only devices with the SAME network address can communicate with each other (routers and other devices allow communication of dissimilar networks)

On a Windows system to determine which network the PC is on use the ipconfig /all command from a command window.

In the above example the command window was opened by clicking on the start icon ant typing ‘cmd’. Weh the black window appears type ‘ipconfig /all’ There may be a few entries but probably only one that is populated with information. From the above we glean the following:

Network: 192.168.1

Router Address 192.168.1.254 (same as gateway, same as dns)