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How can I bridge two wired ethernet interfaces on Mac OS X (e.g. the current MacPro comes with two ethernet ports)?
Googling turned up (e.g. this Apple forum post and this openvpn post) that this is fairly easy on Linux (using the brctl command) and under Windows (via Network Connections > right-click > Bridge Connections), but how is it done under Mac OS X?
BTW: There also doesn't seem to be a macport for brctl ('port search brctl' didn't turn up any results)
Note: I don't want to have 'internet sharing', which creates a new network (by handing out network addresses in a new range). I want to really 'bridge' two interfaces so to keep the same network subnet.
1Time to reevaluate answers, since the accepted one is from 2009. :) – sjas – 2015-01-19T19:07:20.113
You need to explain what your end goal is. The links you provided don't help. As the first link's response post says, "I cannot fathom what it is you are trying to do here." – Stu Thompson – 2009-09-16T18:42:37.433
As the first link did, I am afraid that I have to suggest to look up 'network bridge' if you're not familiar with the concept. As a simplified summary, i want to use a Mac as a sort of hub. – Rabarberski – 2009-09-16T19:01:12.933