Multiple Nodes as VMs on a Single Physical Box

[augusto]

1. What are you using VBox, VMWare, KVM?
VBox

2. How did you configured a network - bridge/NAT?
Bridge with public IP

3. Did you checked BCast, Mask? What is BCast,Mask of host and what is BCast,Mask of VMs?
Yes (well, i thought so).
Host:
Bcast:X.Y.Z.191 Mask:255.255.255.192
VMs:
1) Bcast:X.Y.Z.191 Masc:255.255.255.192
2) Bcast:X.Y.Z.191 Masc:255.255.255.192
3) Bcast:X.Y.Z.191 Masc:255.255.255.192