[Xen-users] Correct VPN...

["Leonardo Pinto" <listas@xxxxxxxxxxxxxxxx>]

Hi, I use the Xen has some time, however never I obtained very well to
understand the functioning of bridges. To create bridge, always I used the
concept of the QEmu using the tool "tunctl":

/usr/bin/tunctl - t tun0 - u 0
/sbin/ifconfig tun0 172.20.0.1 up.

Perhaps this is not the correct form to make bridge, and would like the aid
of this list to understand. My problem is following: When I have a VPN for
example, necessary is clearly of a classroom of different IP, correct?
Therefore use "tun" together with the other interfaces. It follows them:

Eth0: 200.123.0.1/255.255.255.128 = Dedicated Link (Nat redirect...);
Eth1: 192.168.0.1/255.255.255.0 = Intranet Server (SMB...);
Tun0: 172.20.0.1/255.255.0.0 = WebServer (HTTP...).

This scene until functions when the serving Intranet wheel in proper
firewall (Domain0), but now I want to inside execute it of one another
virtual machine using another classroom of IP (finding I that this would
be most correct).

The problem is that, if I configure an interface in
"/etc/xen/scripts/network-bridge" all the virtual machines, will go to use
this, correct?
Without speaking that, when I configure "network-bridge" to use an
interface as "eth1" for example, I lose the remote access to server/IP from
internal network (intranet).

- How I would make an ideal scene for this?

Grateful,

--
Leonardo Pinto
listas#openlogic dot com br


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