If you are playing around with SMB3 and is trying to find more details on network traffic using Microsoft Network Monitor you may find out that SMB3 is not on the protocol’s list as shown below:
Before moving forward, it is important to emphasize that this behavior is expected. There are a couple of thing that you need to understand about this:
More info about Protocol parse see http://blogs.technet.com/netmon and for more information about SMB 3 Protocol specification see http://msdn.microsoft.com/en-us/library/cc246482%28prot.20%29.aspx