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Re: [Openvpn-devel] multiple connections on one tap


  • Subject: Re: [Openvpn-devel] multiple connections on one tap
  • From: "James Yonan" <jim@xxxxxxxxx>
  • Date: Fri, 2 Apr 2004 12:31:21 -0000

Miika Keskinen <weeti@xxxxxxxxx> said:

> Hi.
> 
> How much functionality there needs to be implemented in order to get 
> multiple connections with one tap-adapter working? And then, should that 
> be implemented either by implementing ethernet-switch or maybe even with 
> bridging-code? Normally when talking about bridges there is limit of 256 
> interfaces per bridge and I can see that as an issue.

OpenVPN would need to be a switch.  That means scanning ARPs, learning MAC
addresses, propagating broadcasts, etc.

> Then again, another issue with windows version of openvpn and mostly 
> it's way of resolving whether it's run as service. It would be more than 
> nice to be able to call like os.popen("openvpn ....") on windows too but 
> called that way it cannot get those consolethingies and doesn't like it. 
> So anyone got this same problem? I think that identifying could be done 
> by other means.

OpenVPN doesn't need to be run from a console window (otherwise running as a
service wouldn't work).  OpenVPN tries to open the console, but if it doesn't
exist, it is nonfatal -- OpenVPN will continue to run.  It does, however, want
the standard file handles (especially stdout) to point to something so it can
generate logging output.

James

> And sorry for my bad engrish ;)
> 
> yours.
> Miika Keskinen
> 
> 
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