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NetSim 12 Network Simulator Cisco Network Simulator

Most Advanced Network Simulator® Designed for Cisco Certification Training.

The Boson NetSim Network Simulator is an application that simulates Cisco Systems' networking hardware and software and is designed to aid the user in learning the Cisco IOS command structure.

NetSim 12 
Network Simulator Lab and Topology view

Introducing NetSim 12

NetSim 12 is our most substantial application upgrade.
  • Share labs, lab packs and topologies with the new NetSim Community
  • Synchronize NetSim content across multiple devices in the cloud
  • Track lab completion history directly in NetSim
  • Connect devices with fewer clicks using improved topology creation tools
  • Annotate topologies with notes and labels
  • Rearrange and organize the new dockable user interface
NetSim 12 Learn More

NetSim Product Comparison

NetSim for CCENT


Single User License
98 CCENT Labs
1 Exam Covered
Free Demo > Details >

NetSim for CCNA


Single User License

98 CCENT Labs
+ 73 CCNA Labs
171 Total Labs
3 Exams Covered
Free Demo > Details >

NetSim for CCNP


Single User License

98 CCENT Labs
+ 73 CCNA Labs
+ 145 CCNP Labs
316 Total Labs
6 Exams Covered
Free Demo > Details >

Additional NetSim 12 Resources

Advantages of Software-Based Network Simulation

Boson NetSim is a versatile tool and valuable asset for self-paced learning, classroom instruction and corporate training.

For many individuals, the availability of Cisco routers and switches is often limited. The cost and fragility of equipment makes rack rentals impractical at this level. Boson NetSim makes it possible to design and configure a network with 44 different router models and 7 different switch models* to choose from without having to pay a lot of money, or worrying about transporting and damaging valuable equipment.

NetSim's router, switch and station simulation components contained within the software are the most advanced in the industry. Within NetSim, simulation of routers, switches and PCs is included in a completely customizable drag-and-drop network-simulation package. Furthermore, Boson NetSim simulates both switching bridge tables and routing protocol tables to allow you to go OUTSIDE of the labs and create your own labs using the Boson Network Designer.

*All devices can be added to a custom topology, the commands needed to configure some devices are restricted depending on the license version. For example, 3550 switches can be added to a CCENT or CCNA custom topology. However, the commands needed to configure a 3550 switch are only supported in NetSim for CCNP.