GNS3 for Windows

GNS3 for Windows is a program for simulating complex computer networks.

Features

• Design of networks with a complex topology
• Simulate common Ethernet, ATM and Frame Relay switches
• Connecting a virtual network to a real network
• Simulation of many different routers and firewalls.

With GNS3 you can, for example, test the experimental features of Cisco IOS, Juniper JunOS or test your network configuration before you install it.