1. Two or more than two systems with Ethernet Controller (LAN card) and its proper driver must be installed.
2. If you have to establish the network in only 2 systems then have a crossover cabling and if you have to establish the network in more than 2 systems with the help of central connectivity device (Switch / Hub) then have parallel cabling for it.
3. Connect the one end of cable to the switch/hub and another end of cable to the system NIC.
4. Now start the system and assign the computer name, workgroup, IP address, and its subnet mask.
Ø Computer name must be different.
e.g. com1, com2, com3 etc.
Ø Workgroup must be same.
Ø IP address:
i. Net ID must be same (for same network).
ii. Host ID must be different.
Ø Subnet Mask must be same