Multi-vendor support (Juniper, Arista) and deep packet analysis with Wireshark integration.
GNS3 is a powerful that allows you to run actual Cisco IOS images. Unlike Packet Tracer, it provides an authentic command-line experience identical to real hardware. ccna 200-301 network simulator free download
Supports 100% of the CCNA exam topics, including switching, routing, and wireless. Multi-vendor support (Juniper