Cisco IOS emulator. is it available?

I had been looking for something like an Emulator (not simulator) for Cisco IOS. I will have a real IOS image which I can load up into an emulator and work on as if I am on the real Cisco hardware. I am not quite sure if any such software exists or not. Please let me know if there is any. This is for R&D purpose.

Or please let me know if there is any good Simulator which can work good and all commands work for Switch/multilayer Switch and also router.

Thanx in advance.
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ashwin_kumar525Asked:
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bob_the_builderConnect With a Mentor Commented:
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goss34Connect With a Mentor Commented:
Hi ashwin_kumar525,

GNS3 is good for routers but it only allows switch modules in routers so sometimes the commands are slightly different.

I also used some Boson software that was pretty good but it was quite expensive.

I have heard alot about Dynamips but not sure how good this is because i haven't personally used it.

GNS3 would be my choice, its also free.

Cheers
Dan
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gcl_hkConnect With a Mentor Commented:
Highly recommend for the official Cisco Academy tools call Cisco Packet Tracer, and the latest version is 5.1, you can search from Google and get it easily.


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akalbfellConnect With a Mentor Commented:
i second the suggestion by goss....GNS3 is a great tool
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Kamran ArshadConnect With a Mentor IT AssociateCommented:
Hi,

Personal recommendations are;

www.freesco.org
www.boson.com/AboutNetSim.html
www.networksims.com
www.gns3.net

As previously mentioned, GNS3 is the best option for you.
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ashwin_kumar525Author Commented:
Thanx all you guys.
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