Although GNS3 is perhaps more difficult to set up, it offers more flexibility than the Packet Tracer. GNS3 is quite a bit different from Cisco Packet Tracer. It lets you easily build super-complex network topologies to test out ideas or to allow you to better understand networking concepts. Still, Cisco Packet Tracer is fairly intuitive and is a great tool for students and experienced network specialists alike. Also, it does not support all the features available on actual devices. Among other things, it’s proprietary and only simulates Cisco devices. With that said, Cisco Packet Tracer has some limitations. Although you can do much of the setup in the visual editor, the command line provides you with full access to all features of the Packet Tracer, including TCP/IP settings of network devices, routing protocols supports, Layer 2 features etc. The drag-and-drop UI is complemented by a command line interface. Packet Tracer offers several categories of devices, such as routers, switches, computers, servers, and more. To start testing network topologies, you simply choose a network device from the bottom panel and drop it into the building area. The highlight of the Packet Tracer is its drag-and-drop user interface. It is functional, easy to use, and is accessible for educational institutions or for people who enrolled in Cisco’s Net Academy (free of charge). Common Open Research Emulator (CORE)Ĭisco’s Packet Tracer is perhaps the most famous of all network simulation tools, especially for practicing on Cisco CCNA certification.
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