Re: [Openvpn-users] openvpn test install (almost)

[ashley maher <ashley.maher@xxxxxxxxxxxxxxxxxxxx>]

Ed,

Thanks for the quick responce.

I picked up the ip range error this morning. Sleep is good :-)

Then looking at what I did last year with openvpn1 I picked up a few
more things.

Looks like I've reached the limit of my test environment.

Regards,

Ashley

On Sun, 2005-08-07 at 20:17 -0500, Ed Thomson wrote:
> Disclaimer: I've had my openvpn bridge work for approximately one day 
> now, and I don't really know what I'm talking about, but it sounds like 
> your configuration is intended to be a lot like mine.  So, hopefully my 
> advice isn't complete garbage:
> 
> I suspect you've followed the instructions at 
> http://openvpn.net/bridge.html which worked well for me.
> 
> Your tap0 on your server won't get an IP -- bridging removes the IPs 
> from the interfaces you're bridging, since you only have one IP address 
> for the whole of the bridge.  br0 will show the IP address that the two 
> interfaces on the bridge are using.
> 
> You mention that br0 is 192.168.1.101 -- I would think it would need to 
> be 10.8.0.4 to work with your setup.  You want to bridge the VPN network 
> (tap0) with the network you want the client to get to (and be assigned 
> IPs from) -- if that's the 192.168.1 network, then you should 
> server-bridge 192.168.1 addresses instead of 10.8.0. addresses.  If 
> you've got a 10.8.0. network on the machine you're trying to VPN, you 
> should bridge over that interface instead of the interface that's 
> attached to 192.168.1.
> 
> My setup was that I have a single machine (not a network) that I want to 
> VPN to, and I want to use bridging to get to that machine because I want 
> broadcast/multicast.  If you're in a similar place, I suggest you do 
> this:  setup dummy0 on the server with 10.8.0.1 and setup the bridge 
> over tap0 and dummy0 instead of tap0 and eth0.  (Just change any 
> occurances of eth0 to dummy0 in the bridge howto.)
> 
> Hope this helps...
> 
> -Ed
> 
> ashley maher wrote:
> > I'm attempting to build a test vpn using openvpn2 and Ubuntu.
> > 
> > I have installed bridge-utils and openvpn2 using apt.
> > 
> > I modified /etc/network/interfaces as the example in bridge-utils.
> > 
> > I generated certificates fine. For testing I am using the supplied test
> > certificates.
> > 
> > Both the server and client appear to start properly. (I modded the
> > example config files minimally for bridging.) Using the bridging howto.
> > 
> > In the server config file is the line:
> > server-bridge 10.8.0.4 255.255.255.0 10.8.0.50 10.8.0.100
> > 
> > According to the man page that sets the gateway and the ip range for the
> > clients.
> > 
> > The client does pick up 10.8.0.50 on the tap0. (Which br0 is
> > 192.168.1.101 so the ip must come from the server as expected.)
> > 
> > However on the server there is no ip on tap0. So I'm guessing that is
> > why no tunnel.
> > 
> > I've tried several things.
> > 
> > Ideas, comments, url's to pages great fully received.
> > 
> > Regards,
> > 
> > Ashley
> > 
> > 
> > 
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