This report provides a network solution for the private development company of biomedical software. It includes requirement engineering, IP addressing plan, network diagram, and security mechanisms. The report analyses the system requirement to develop the LAN of the headquarter of the company. The IP address plan for the network solution configuration is also provided. The physical and logical network diagrams are created using Microsoft Visio. The report concludes that the network design can be utilised by the organisation for improving the security of the network.