"Create your own simulated network and configure Cisco simulated devices, including various routers, switches, and workstations, using the Boson Router Simulator. Free upgrades and support for 60 days on previously brought beta NetSim versions, PLUS a 100% money-back guarantee on all Boson products, make this a no-risk purchase. The free demo version is available now and can be registered for only $249.95, with quantity discounts available. This product is also a great CCNA router simulator to help those in becoming a CCNA."