Configuration advice on a single interface server

[Terry T]

Sorry, Guus

I know how to bridge an internal adapter to a tap device. My problem is
that this box only has one physical interface.

Internet ----->[Cisco router]------------[network switch]--------{PCs,
Linux VPN server}

A typical server bridge setup is for the LAN side of the adapter to be
bridged to the tap, and the external client connecting to its external
adapter be serviced by the vpn program. In my situation, my one physical
adapter is functioning both as an internal LAN adapter and also responsible
for servicing requests from the remote client.

On Wed, Mar 18, 2015 at 4:40 PM, Guus Sliepen <guus at tinc-vpn.org> wrote:

> On Wed, Mar 18, 2015 at 10:38:24AM +0800, Terry T wrote:
>
> > Is it possible to configure a bridge mode VPN with only a single physical
> > interface eth0. The scenario is that the proposed tinc server is
> assigned a
> > static 10.10.145.254/24 that is connected to a Cisco router. Incoming
> > traffic can be set up to be forwarded to this server.
>
> An example of how to set up tinc with a bridge on Linux can be found
> here:
>
> http://www.tinc-vpn.org/examples/bridging/
>
> > Remote tinc client has a need to receive multicast hence the server must
> be
> > configured in bridge mode. However, I can't get my head around
> configuring
> > the bridge for the server, and the setup for the client.
>
> The setup on the client is trivial; just give the virtual network
> interface an address in the same range as on the server's eth0. You can
> even use DHCP if there is a DHCP server on the server's LAN.
>
> --
> Met vriendelijke groet / with kind regards,
>      Guus Sliepen <guus at tinc-vpn.org>
>
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>
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