
What is GNS3 ?
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.
* Pemu, a Cisco PIX firewall emulator based on Qemu.
GNS3 is an excellent complementary...