This report details the network infrastructure design for the M2M organization, which comprises six buildings: finance, transport, research, sales, IT, and head office. The proposed network architecture utilizes Cisco products, including routers, switches, firewalls, access points, and Ethernet cables, to ensure high performance, security, and scalability. The report covers the network design, IP addressing and subnetting schemes for each building, and a detailed analysis of the devices used. It also provides a cost analysis of the proposed infrastructure, including device costs and quantities. The report emphasizes the use of Cisco products to reduce operational and maintenance costs and enhance the overall efficiency of the network. The design considers factors like wireless connections, workstation counts, and the need for high-speed and secure data transmission between buildings. The report concludes with a list of references used in its creation.