Johanns Sani-GREGORIAN

To run Dyamips/Dynagen as Administrator in Vista, you have to modify the .cmd files created by the Dynagen package installer, to use absolute path(s).

You can download the modified batch files here: Dynamips Windows Command Script files

Simply, replace those files in the Dynamips installation folder.

See my previous post for additional details (link).

EDIT: You may also need to give your user Modify or Full control permission over the Dynamips (Dynagen) install folder if you want to be able to modify any file (including the script files). The real pain is when you try to modify the sample lab files (e.g.: simple1.net, etc.).

The Dynagen package installer, installs in %SYSTEMDRIVE%\Program Files\Dynamips.

UPDATE: I highly recommend anyone interested in Dynamips to check-out GNS3 (Graphical Network Simulator). It’s designed around Dynamips, Dynagen, and Pemu. Cisco IOS/PIX binary images not included!

Link: http://www.gns3.net/

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Dynamips is a Cisco router emulator. It support various Cisco 2600, 3600, 3700, and 7200 series router models.

Dyangen is a front-end for Dynamips router emulator. It utilizes Dynamips’ Hypervisor mode to make lab simulation management very easy.

Installing / Running Dynamips and Dynagen on Windows (XP, 2003, Vista):

• Install WinPcap 4 (Windows Packet Capture Library) from WinPcap.org (link to auto-installer).
• Install the latest version of the Dynamips/Dynagen “package” installer from SourceForge.
  NOTE: April 29th, 2007 build is labeled: dynagen-0.9.2_dynamips-0.2.7-RC3_Win_XP_setup.exe

NOTE: Users with Vista UAC enabled may encounter issue(s) when trying to run Dynamips/Dynagen. Solutions:

1. Disable UAC!
2. Run the Dynamips server and Dynagen as Administrator; however, you must first modify the “dynamips-start.cmd“, “dg-local.cmd“, and “Network device list.cmd” script files, located in the DynMIPS installation folder:
   (e.g.:
   Before: start /belownormal /B /wait “Dynamips” “dynamips.exe” -H 7200
   After : start /belownormal /B /wait /D “\Program files\Dynamips\” “Dynamips” “dynamips.exe” -H 7200
   )
   UPDATE: Check my next blog entry to download the updated startup scripts (.cmd) files.

Quick Start:

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