How to install ns2 and ns3 together? Many people ask the question of "could I install the NS2 and NS3 in the same system?" The answer is so simple. Of course, you could install both simulators in your device without any conflict. If you take a look in the File list of package ns2 in the ' 'Ubuntu package >ns2' compared to the File File list of package ns2 list of package ns3 in xenial of architecture amd64 'Ubuntu package >ns3' . File list of package ns3 You won't find any common or duplicate files between the two simulators. Enter your email address: Delivered by FeedBurner You can simply install both simulators : Use the following command. sudo apt-get install ns2 ns3