You can run up to 5 concurrent nodes (routers, switches, or firewalls) for free on your own PC.
Here’s a secret most tutorials don't tell you: You can build a using real hardware you get for free. virtual cisco router free
Finding a is easier than ever, but the "best" choice depends on whether you're a beginner studying for the CCNA or a pro testing complex data center designs. Here are the top ways to get hands-on with Cisco IOS without paying for hardware. 1. Cisco Modeling Labs (CML) Free You can run up to 5 concurrent nodes
Students who want the exact same software found in physical hardware without the cost of a Personal License ($199/year). 2. Cisco Packet Tracer Cisco Modeling Labs - Free virtual cisco router free