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[Openvpn-users] Re: Bridging Connections in OS X

  • Subject: [Openvpn-users] Re: Bridging Connections in OS X
  • From: imike_ovpn@xxxxxxx
  • Date: Wed, 5 Oct 2005 00:11:35 -0500
> OpenVPN is able to bridge its tap devices.

Alright, I knew I had read this phrase somewhere but I couldn't remember where. That quote is from a post on the TUN/TAP driver mailing list. Here's the link:


What does it mean that OpenVPN can bridge its tap devices?

-Michael

On Oct 3, 2005, at 11:52 PM, imike_ovpn@xxxxxxx wrote:

Howdy,

Does anyone know how to bridge two interfaces on Mac OS X (specifically 10.4)? The OpenVPN documentation is pretty clear on how to do this under Linux (the brctl command) and Windows (via the Network Connections control panel), but there's no mention of doing it on Darwin and most of my searching around hasn't found anything.

Here's what I have found. The ifconfig command on Tiger has some options called 'bonddev' and 'vlandev' and these seem to be designed for a purpose similar to device bridging, but the manual page says these are for use with "vlan pseudo interfaces" and "bond pseudo devices". The command I tried was

    ifconfig tap0 bonddev en1

but alas I just got an error along the lines of "Operation not supported".

Anyone know how to bring interfaces on Mac OS X? For that matter, what are 'vlandev', 'bonddev', and for that matter the "tunnel" options for in ifconfig?

For reference, here's the Mac OS X 'ifconfig' man page:


Thanks,
-Michael Askew