Multiple site connection problem

[athensy]

Hi guru,

I would like to build point-to-point VPN to multiple sites as follows:

Site A (10.1.0.1) --------> Site B (10.1.0.2)
|
+-- (12.1.0.1) --------> Site C (12.1.0.2)

I could connect Site A to Site B or Site A to Site C individually. However, I can't make it work as Site A to Site B and Site C together. All of the sites are Microsoft Windows 2003 servers. Please give me any hint to tackle this problem. Note: It has just one LAN card on Site A.

Thanks in advance

Athens

[Psilo]

You need to install two TAP virtual ethernet adapters.

[athensy]

Hi Psilo,

I have added another TAP virtual ethernet adapter, but I don't know it's name for the configuration file. i.e. For the first TAP adapter, I use "dev tap" to refer it on the configuration file, how about the name of the second TAP adapter?

If you could show me a simple example of the configuration file for Site A, that would be great for me.

Thanks for your help.

Athens

[Sky]

athensy

Are you on windows? If so you just need to look at the adapter in the Network Connections screen. In Windows 7 you get there by right-clicking on Network -> Properties then click "Change adapter settings". Once you are looking at the adapters, they should have default names of something like "Local Area Connection n" where n is some number starting at 2 when you have more than 1 adapter.

Now I don't know the reason why or if it even is important, but I've seen in at least 2 places in the documentation that when you are referring to the adapter it is best to change the name to something that does not include spaces. Something like "tap-adapter". I'm guessing you can't have spaces in the config file. Right click -> Rename to change the name.

If you're on anything other than Windows then I can't help, but I imagine you'd do the same as the above, only OS specific. Linux ought to have it's own "Network Connections" screen or equivalent.