Hey Matthias, thanks for the reply,
The client is getting EMC to manage some switches he is acquiring. Thats why we are going with EMC (dont want to add another license and add more costs if there is a way with EMC).
Activating Mac Auth for the servers could be an option. But we would be like to be able to add each vm (each ip address within the servers) to the pool of devices we are able to manage. Since we know that EMC is not designed for managing VM's, we would like to, at least, be able to see those vm's as reachable devices.