Hello,
I'm looking for an idea, or anything else that can help me solve this problem...
Is there debug options for network ? tcpdump does not work on VM VSwitches.
Maybe this is more clear ?
Machine 1, 2, 3 can not communicate with each other.
Machine 1, 2, 3 can communicate with Machine 4, 5 (through a router / firewall)
Machine 1, 2, 3 can communicate with Machine 6, 7, 8 (virtual or physical)
Machine 4, 5 can not communicate with each other.
Machine 4, 5 can communicate with Machine 1, 2, 3 (through a router/firewall)
Machine 4, 5 can communicate with Machine 9, 10, 11 (virtual or physical)