dynamips

Ever wanted direct network access to your Dynamips lab? Have you ever needed to lab something that used the SDM, but you run Dynamips under OSX? You may have noticed using NIO_gen_eth is broken under OS X, communication between the Dynamips IOS and the local Mac box itself is not working properly. There is a solution using a tun / tap interface in OS X.

Required Software

Since OS X does not include the tun/tap devices by default, we need to download a bit of software to create them. Luckily tuntaposx from SourceForge does just that for us. Go ahead and download it and install it. Once you do you should see the following. (Yes, this is on my Hackintosh)
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