GNS3 is a graphical network simulator that allows you to design complex network topologies and to launch simulations on them.
To allow complete simulations, GNS3 is strongly linked with :
- Dynamips, an IOS emulator which allows users to run IOS binary images from Cisco Systems.
- Dynagen, a text-based front-end for Dynamips.
- Pemu, a PIX emulator.
GNS3 is a excellent complementary tool to real labs for administrators of Cisco networks or people wanting to pass their CCNA, CCNP, CCIP or CCIE certifications.
It can also be used to experiment features of Cisco IOS or to check configurations that need to be deployed later on real routers. This project is an open source product that may be used on multiple platforms, including Windows, Linux, and MacOS X.
Features overview
- Designing high quality complex network topologies.
- Emulating Cisco routers and PIX firewalls.
- Simulating simple Ethernet, ATM and Frame Relay switches.
- Load and save in Dynagen’s INI-like format.
- Image export (JPEG, PNG, BMP and XPM).
download from GNS3 website:
or
Download GNS 3 and Cisco 1700,2600,7200 IOS in one pack:
http://rapidshare.com/files/130264941/GNS3-0.5-win32-all-in-one.rar
Pass:sumptuousworld
thx to: http://sumptuousworld.blogspot.com
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Just call me Aziz, An Ordinary human, live in Jakarta, work as an IT Engineer.
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October 22, 2008 at 11:23 pm
hey i am a Information technology student from india.
i am a CCNA .i am interested in networking ,please tell me the things that i should look out for ,the things that i should learn.
secondly,we have ns in our practicals.what is the basic use of this simulator ( ia have used some for CCNA)…howis this different.how powerful is this??
November 3, 2008 at 4:00 pm
Assalam o Alaikum..
I am a student of CCNA and I have heard much about this simulator but did not use it. The reason is that i don’t have cisco ios files but as i have found here thats why i will use it Inshallah…
Tanweer
Pakistan
November 4, 2008 at 2:10 pm
@ramprasad
GNS3 is just a front-end interface for Dynamips. and what is Dynamips?
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Dynamips is an emulator program that was written by Christophe Fillot to emulate Cisco routers. Dynamips runs on either Linux , Mac OS X and Windows and can emulate the hardware of the Cisco series routing platforms by directly booting an actual Cisco IOS software image into the emulator.It allows users to build complex network topologies to test the functionality of IOS on an desktop PC, without the need of an actual physical Cisco device (Wikipedia.org).
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for detail info, go to here:
http://www.ipflow.utc.fr/index.php/Cisco_7200_Simulator/
@Tanweer
you can search another IOS with Google keyword “intitle:index.of ios parent directory bin”.
November 21, 2008 at 7:18 am
Hi,
I am using GNS3 for my MAC OS X. I could not find the IOS image files. Will the same image files work for MAC ? if not, where can I find them ?
Thanks a lot
Nikhil
April 18, 2009 at 11:33 pm
Which version of IOS is included in this file and can you tell any website from where i can download switch emulator like GNS3
April 27, 2009 at 8:33 pm
Hi Aziz,
can you simulate router in linux ? that mean : can we use PC to route packet like cisco router ?
Your posts are very useful.
Thanks