ISDN Simulator recommendations

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Hi all!

I need some help with selecting an ISDN simulator to add to my home lab.

First off though i wondered if anyone who had taken the CCNA exam had encountered any ISDN configuration questions?

Im trying to keep cost at a minimun, this will be the last peice of kit i'll be purchasing for a while as ive found to my surprise that ISDN simulators are costly. Im not sure what i should go with as im new to ISDN, and would appreciate if someone could assist me in selecting a suitable simulator.

Below are three links for simulators i've found myself.

1. http://www.astricom.com/isdn_simulator_blinku.htm
2. http://www.vconsole.com/client/?page=simulators&p_id=13
3.http://cgi.ebay.com/ISDN-SIMULATOR-...oryZ3706QQssPageNameZWDVWQQrdZ1QQcmdZViewItem


Would purchasing a simualtor be overkill at this stage of my study? Could i just memorise the thoery for now? and save what little cash i have. Big thank you in advance for any help given.

 

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Because of the cost I did not buy an ISDN simulator for my exams. Instead I memorized as much as I could about ISDN. I studied the ISDN debugs in particular, as well as all ISDN related commands. I would practice the commands as much as possible (even though there was no BRI/PRI on my routers) to try and get the commands to become second nature.

It must have worked, as I did well on the exams, and when I first had to work on customer pri equipment it went smoothly.

Good luck on your exams!

Spice_Weasel

 

Thanks for the reply.

I think i'll try and get the CCNA exam out of the way first then consider buying an ISDN simulator. I think i'll be ready for the exam soon, will let you know how it goes.

 

Would this help?