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Re: [Openvpn-users] ethernet bridge on single nic


  • Subject: Re: [Openvpn-users] ethernet bridge on single nic
  • From: "Ian Archer" <ian.archer.am.i@xxxxxxxxx>
  • Date: Mon, 5 Nov 2007 11:42:54 -0500

I agree the routed configuration is simpler.  However, I want access
to subnet services like Bonjour.

On 11/5/07, David Balazic <David.Balazic@xxxxxxxxxxxxxxxxxx> wrote:
>
>
>
> Use TUN mode and make your life simpler.
>
>
>  ________________________________
>  From: openvpn-users-bounces@xxxxxxxxxxxxxxxxxxxxx on
> behalf of Ian Archer
> Sent: Mon 05-Nov-07 14:53
> To: Gustavo Verduzco Vazquez
> Cc: Openvpn-users@xxxxxxxxxxxxxxxxxxxxx
> Subject: Re: [Openvpn-users] ethernet bridge on single nic
>
>
>
>
> The problem is that the server cannot distribute IPs on the subnet
> that either the server or client are already on.  This means the
> server must host 2 different IP addresses.  How do you give the server
> a second address and allow for clients to connect to it?
>
> On 11/2/07, Gustavo Verduzco Vazquez <gustavo.verduzco@xxxxxxxxxxx> wrote:
> > As far as I know there's no problem with having a single nic on your
> > PC because when you install OpenVPN it will create the Win32-TAP
> > Adapter which can use any ip network you want, so if you are running
> > the server on your PC, clients will connect to the TAP adapter,
> > already bridged to your Local Area Connection with a native Windows
> > Ethernet Bridge or using a software solution like Ethernet Bridge 2.0.
> > The server will DHCP to connecting VPN clients an IP address on its IP
> > network from a specified pool in server.ovpn config file.
> >
> > I have that setup and works fine with Ethernet Bridge 2.0
> >
> > Regards,
> > --
> > Gustavo Verduzco Vazquez
> > ComXInt Consulting S.A.
> >
> > Quoting Ian Archer <ian.archer.am.i@xxxxxxxxx>:
> >
> > > I'm trying to get a bridging setup.
> > >
> > > The server only has a single nic, and is on the 192.168.1/24
> > network.
> > > The clients are within the same 192.168.1/24 (I'm doing VPN because
> > > this is an open network).
> > >
> > >> From what I understand, the server must bridge on a subnet which
> > is
> > > different from the client connection path.  In other words, the
> > VPN
> > > should not be 192.168.1/24.
> > >
> > > It was suggested in a prior thread that a way around this was to
> > give
> > > the server a dummy interface with an address from a different
> > subnet
> > > and have clients connect to that in the 'remote <addr>' part of
> > their
> > > configuration.  I am really puzzled as to how to get clients to
> > know
> > > how to connect to this remote address.  In general, I hope this is
> > the
> > > correct way of going about an ethernet bridge solution when only
> > using
> > > a single NIC.
> > >
> > > Any pointers?
> > >
> > >
> >
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