PERANCANGAN VIRTUAL PRIVATE NETWORK DENGAN SERVER LINUX PADA PT DHARMA GUNA SAKTI

Article clarifies on network analysis and design between head and branch office, and company mobile user, which can be used to increase performance and effectiveness of company in doing their business process. There were 3 main methods used in this research, which were: library study, analysis, and design method. Library study method was done by searching theoretical sources, knowledge, and other information from books, articles in library, and internet pages. Analysis method was done by doing an observation on company network, and an interview to acquire description of current business process and identify problems which can be solved by using a network technology. Meanwhile, the design method was done by making a topology network diagram, and determining elements needed to design a VPN technology, then suggesting a configuration system, and testing to know whether the suggested system could run well or not. The result is that network between the head and branch office, and the mobile user can be connected successfully using a VPN technology. In conclusion, with the connected network between the head and branch office can create a centralization of company database, and a suggested VPN network has run well by encapsulating data packages had been sent.