I am doing some experiments in NLB using Windows Server 2008 R2 Standard. I have 2 windows machines, each with 2 nics. On each machine, only 1 NIC is used, the other one is not plugged into the network and is disabled at the operating system level.
I have setup a NLB cluster in unicast mode with the 2 machines. According to what I've read on some technical articles, in unicast mode, nodes part of the same cluster should not be able to talk to each other.
What is confusing me is that they actually can. I can ping one from the other, and I can also launch a remote desktop connection from one to the other without any problem.
Am I doing something strange, or had the unicast limitations been lifted in Windows Server 2008 R2?
Thanks in advance.