If you need network simulation software for academic purposes, consider these official or open-source options: Riverbed University Program: Academic institutions can still obtain the full version of Riverbed Modeler at a discounted price for teaching and research. GNS3 (Graphical Network Simulator-3):
The use of legitimate software, such as Riverbed Modeler Academic Edition, supports a positive and productive academic and professional environment. It encourages a culture of respect for intellectual property and ensures access to the best possible tools for learning and professional development. If you're an academic or student, consider reaching out to your institution or department to explore options for accessing this valuable tool through legitimate channels.