Note that these files may need minor modification to specify your working directories and the names and locations of your Cisco IOS images. net file to provision the Dynamips emulator, or you can download prebuilt ones to emulate the Internetwork Expert Routing& Switching and Service Provider topologies from here:Ĭlick here to download the Internetwork Expert Topologies for Dynagen This can be accomplished with programs such as gunzip for Linux or WinRAR for Windows. Once you have downloaded the appropriate IOS image it is recommended that you extract the image to save time in the Dynamips booting process. IOS can be downloaded from for users with a valid service contract.
Next you'll need a Cisco IOS software image for a 7206, 3620, 3640, or 3660 router depending on which platform you will be emulating. To do this I would recommended to download the Dynagen installer package, a front end written by Greg Anuzelli which uses an INI-like configuration file to provision the Dynamips emulator. Next download the appropriate Linux or Windows executables for Dynamips.
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Windows users will need to install winpcap 4.0 or later which is currently in beta. To run Dynamips first you must install libpcap or winpcap depending on your platform. Best of all Dynamips is open-source and free to download! As of November 2006 Dynamips currently supports Ethernet, Serial, ATM, and POS interfaces for the 7200 series routers and Ethernet, Serial, and Etherswitch modules for the 3600 series routers. Unlike traditional router “simulators" Dynamips allows you to boot real Cisco IOS software images and build complex network topologies to test the functionality of IOS on your desktop PC. Started in August of 2005 by Christophe Fillot, Dynamips is a Linux and Windows based application that is used to emulate the hardware of the Cisco 72 series routing platforms.