Cisco 26xx/36xx/72xx Router Simulator (Windows)
Tuesday, September 11th, 2007 | Dynamips-Links
Cisco 26xx/36xx/72xx Router Simulator (Windows)
Cisco 26xx/36xx/72xx Router Simulator (Windows)
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:
- Disable UAC!
- 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:
The Dynamips/Dynagen installation provides a number of samples to help you get started. The Windows installer places shortcuts to the samples folder on the Desktop and the Start-menu. You can also start any Dynagen lab file (these are files with .net extension) from the Windows shell or a command-prompt [e.g.: dynagen <lab-filename>]. But, before you do start a lab simulation, you must edit the sample lab file to specify the location of the Cisco IOS image that Dynamips should boot.
(e.g.:
- Navigate to Simple1 located in Dynamips samples folder (default: \Program Files\Dynamips\sample_labs\simple1)
- “Open with…” Notepad (or WordPad) Simple1.net
- Locate the following line:
image = \Program Files\Dynamips\images\c7200-jk9o3s-mz.124-7a.image
- Replace the path/filename with a valid Cisco IOS file location (e.g.: image = C:\labs\bin\c7200-is-mz.124-13b.bin)
NOTE: SmartNET customer can download IOS images from Cisco (http://www.cisco.com/public/sw-center/).
)
Booting:
- Start Dynamips server (Start -> Dynamips -> Dynamip server)
…or
Run: dynamips-start.cmd (located in Dynamips installation folder)
NOTE: Dynamips installation is setup to bind localhost:7200 (TCP); be sure to allow connections on this port. - Start the lab simulation by opening (double-click) the lab file (e.g.: Simple1.net) from Windows shell
By this point, you should see two console application windows (see image on the left). You can control the status of your emulated router by entering commands into the Dynagen application prompt (i.e., =>).
Dynagen basic commands: help, list, console, start, stop, suspend, resume, exit
Most commands require that you supply a router name (as shown by the list command), or the /all parameter to apply the desired command to all emulated routers (e.g.: start Router1 -or- start /all).
To access the console port of your emulate router, use the console command (syntax: console <routername> -or- console /all).
Links:
Dynamips: http://www.ipflow.utc.fr/index.php/Cisco_7200_Simulator
Dynagen: http://dynagen.org/
Winpcap: http://www.winpcap.org/
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