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I need to know how to program these routers for school, but I need to exercise at home. Are there simulators for the console interface, for learning purposes? I took a look at eBay to get one, but they were quire out-of-budget ;-).

Thank you for your help!

Yvan

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Does your school not give you access to a lab? –  mfinni May 25 '11 at 16:13
    
ofcourse, but not during the exam preparation week, in which I am atm. –  friedkiwi May 25 '11 at 17:31

4 Answers 4

up vote 7 down vote accepted

I highly recommend the GNS3 (graphical network simulation) tool. http://www.gns3.net

It's a collection of several applications that each do their own part to make things work.

  • Dynamips, the core program that allows Cisco IOS emulation.
  • Dynagen, a text-based front-end for Dynamips.
  • Qemu, a generic and open source machine emulator and virtualizer.

The caveat here is that you need a copy of the IOS image you intend to run. Suffice to say, you generally need a smartnet contract or CCNx login on Cisco site to obtain it. With a little searching though, you'll likely find it.

It's been a while since I fired up GNS3 so I can't say with 100% certainly that the 1800 model was supported. However many routers are, and the functionality for command sets would likely be good enough if the 1800 isn't in there.

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ISR (1800-2800-3800) are not and will not be supported by dynamips. gns3.net/hardware-emulated –  petrus Jun 13 '11 at 22:22

I used this in the past, and it is free. It does not specifically say the 1800, but it may suit your needs.

http://www.techrepublic.com/blog/networking/practice-cisco-router-configuration-using-a-free-emulator/419

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I don't know about 1800-series routers, but there is software that emulates a number of routers - may be worth looking at. It even has front-end software that makes it less hideous to use.

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An 1841 series router is simulated in Cisco Packet Tracer version 5.1 which provides quite an adequate representation of IOS especially for training purposes up to CCNA level.

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I can vouch for Packet Tracer aswell! Using it for simulating changes in a very large network. Worth a shot! –  xstnc Aug 18 '11 at 6:57

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