Cisco CCNA Network Simulator (CCNA Self-Study, 640-801) 
Master hands-on CCNA skills with a network simulator that lets you build your own network, with up to 200 devices
Gain hands-on experience for all CCNA exam topicsSelect from 45 different router and switch modelsLearn with integrated content from the number-One selling CCNA Certification Library written by Wendell OdomCisco CCNA Network Simulator is a boxed software product derived from the previously self-published Boson NetSim from Boson Software. It provides users with a means to develop hands-on skills at the CCNA level without the investment in expensive hardware. The software, which includes the Boson Router Simulator, was designed to give users the skills needed to pass the new CCNA 800 series exams (640-801, 640-811, and 640-821). The combination of Cisco IOS and Catalyst simulated command line interface (CLI) establishes a foundation of knowledge that is integral to CCNA success, both in taking the CCNA exams and in one's daily job as a CCNA professional. The title includes a drag-and-drop Network Designer that supports up to 200 devices using 45 different device models, including 40 different router models and 2 Catalyst switch models. Users can have up to 200 active Telnet sessions configuring devices inside the simulator. This unique feature allows users to create their own lab topologies, freeing them for the first time from the configurations locked in place by the software vendor. Currently no other network simulation package offers this much versatility and support.
Cisco CCNA Network Simulator also includes a comprehensive lab menu that contains more than 100 structured labs for users to run. More than 20 advanced-level labs from Wendell Odom's CCNA texts allow users to perform complex tasks on networks that combine all the various CCNA technologies.
Boson Software, Inc. is a software company specializing in products for test preparation and the development of hands-on skills. Boson is a Cisco Learning Partner, and offers practice tests on every major certification in the IT industry, as well many outside the IT market. Boson Software is headquartered in Tampa, FL.
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Reviews
I told Boson about it. they said send all the configs and information, never heard back. I'd like to know if there is any good cisco router simulation software out there that actually works. I'm not saying that the CCNP simulator doesn't work at all. But for helping you study and pass a test, you'll spend more time trying to troubleshoot why it's not working and end up spinning your wheels only to find out it's the program.
Completely dissapointed with Boson. Someone please show me a simulator that works all the way around... or is that just not possible?
Dennis Byford, CCNP
