This paper summarizes a development of the best practices in network simulation and modeling using open source software tools. Though these tools, modules of lab exercises were developed to teach and conduct research in a wide range of networking topics, from basic LAN design and implementation, to WAN, switching, routing, IT services, security, and server configuration and deployment. The lab environment discussed in this paper was developed to teach a senior level IT networking course. Student evaluation indicates that the software-based networking lab is easy to set up and maintain. The lab modules facilitated students’ understanding of the key concepts in network and system administration. More modules can be developed based on the software environment and rapidly deployed through a distributed lab approach to support a series of networking and cybersecurity courses.
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