Re: [Openvpn-users] How to set the source IP of tunneled packets?

[Kris Jordan <openvpn.kj@xxxxxxxxxx>]

Steve Bergman wrote, On 12/8/2006 2:47 PM:
> I have a machine with a "real" eth0 interface of 192.168.1.1.
> 
> Over this interface, I have an openvpn tunnel 10.6.0.1<->10.6.0.2, with
> a route set to the 192.168.6.0/24 network on the other side.
> 
> When cups sends a print job to a machine on the 192.168.6.0/24 network,
> the packets have a source ip of 10.6.0.1.  I need for them to have a
> source ip if 192.168.1.1 to be accepted.  I see no options to make cups
> use a particular interface when *sending* print jobs, and would really
> prefer that *all* tunneled packets from this machine have a source IP of
> 192.168.1.1.
> 
> Is there anything I can do in the openvpn config to accomplish this?

A couple of my simple P2P tunnels just re-use addresses.

For example:

Server (192.168.1.1 is eth0) --> Remote (192.168.6.1 is eth0)

So on the server I just

ifconfig 192.168.1.1 192.168.6.1

and the reverse on the remote.

Another option is using iptables SNAT.

- Kris Jordan -

______________________
OpenVPN mailing lists
https://lists.sourceforge.net/lists/listinfo/openvpn-users