Hope you can help me with this.
I have setup like this.
Windows 7 Enterprise (64 bit) as a HOST running VirtualBox 4.2.4 Two virtual machines running LinuxMint 12 (64 bit). VM-1 with one network interface: internal (net1) BR-1 with two network interfaces: eth0, internal (net1) and eth1, bridged to ethernet adapter.
The idea is to let BR-1 act as a bridge for VM-1 to another host which will have a similar setup. This is a test-project so don‘t ask me why i‘m doing this.
On BR-1 I have created bridge over both of the interfaces (eth0 and eth1). My problem is that ip-frames are not passing through the bridge to the other host. The bridge is seeing all the mac-addresses but it seems that VirtualBox is not allowing traffic from eth0 (internal) to be forwarded to eth1 (bridge).
Has anyone tried this or have a opinion on this ?