README.Multicast3 This is an example to stress your computer if you want. The python script creator.py creates a network, consisting of a central router, other routers connected to it and hosts connected to the routers. You can set the number of routers and number of hosts per router in the first lines of creator.py, it is only limited by the ip-suite which afaik only allows 30 interfaces per router (but 900 hosts are possibly far more than your machine can simulate). The script also creates all needed rotuing files (*.mrt), the network description (multicast3.ned) and an omnetpp.ini. Recompile it and run Multicast3. It may take quite a time until it starts ...