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GNS3 is a graphical network simulator that allows simulation of complex networks.

To allow complete simulations, GNS3 is strongly linked with:

  • Dynamips, the core program that allows Cisco IOS emulation.
  • Dynagen, a text-based front-end for Dynamips.
  • Qemu, a generic and open source machine emulator and virtualizer.
  • GNS3 is an excellent complementary tool to real labs for network engineers, administrators and people wanting to pass certifications such as CCNA, CCNP, CCIP, CCIE, JNCIA, JNCIS, JNCIE.
It can also be used to experiment features of Cisco IOS, Juniper JunOS or to check more...

What's New

Version 3 0.7.4: Release notes were unavailable when this listing was updated.

Requirements

Mac OS X 10.5 or later

*Previously available here

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Details

Downloads 82
Version Downloads 82
License Free
Date 12 May 2011
Platform Intel 64 / OS X / Intel 32
Price Free