Network link between multiple VirtualBox machines

Question

I am trying out a conferencing application (BigBlueButton).

For this I created an Ubuntu virtual machine that functions as the application server. On this machine I can test the application by navigating to the app url (for example http://10.0.2.15).

I also created a second virtual machine that should function as a client. On this machine I want to be able to navigate to the server as well, but that doesn't seem to be working. If I try to navigate from the client to the server by using the app-url I get nothing, followed by a timeout.

To establish a network between the two machines I tried the following solutions:

• Create a second network adapter on each virtual machine and attach to "Host-only Adapter" with name "vboxnet0"
• Create a second adapter on each machine and attach to "Internal network" named "intnet".

I thought that either of above options would be a good solutions, but none of them works.

Can anyone help me out here?

FYI I am using MacOS X as host system.

EDIT: I created my second machine by cloning the first one (using the clone utility). Maybe this causes both machines to be identical which makes them indistinguishable on a network. Would this cause a problem? (As a desktop developer I'm a bit of a noob when it comes to I.T.)

Answer 1

I just got this to work. What I did was the internal network with the tasteful name on both VMs, but THEN I went to Advanced and set the Promiscuous Mode to "Allow All". I connect just fine now. Try it!

OK, just looked at the dates and it was last updated 2009, but for anyone looking for the answer, here you go!