Abstract: Background: High throughput, minimum delay of final demand, require from any network. Traffic congestion is in a given network performance and reduce the main problem. Although, a switch to help greatly improve the transport efficiency, but this is not a large network, which in the case of WAN. Objectives: Virtual lAN (VLAN) switches play an important role, to further improve network performance. Available types are based on the port number and the new version is based on the Media Access Control (MAC) address. A design analysis is carried out to prove that VLAN switch techniques improve the throughput of a network as the graphical results using different network metrics backs this statement. Methodology: The design and analysis is done on OPNET IT Guru software which has been proven to be very efficient real time network simulator software by other researchers. Results: The results obtained from the simulations and testing of the security lock is successful. A password based electronic combination lock is proposed as the physical security measure implemented to boost the network security as it allows for only authorized personnel access to the room or office depending on where it is installed on the infrastructure. Conclusion: The security of a network topology of an organization irrespective of its size is not only dependent only on the virtual configuration but also on the physical security measure implemented to prevent unauthorized personnel access to the network facilities especially its main server room and other very important rooms or offices.