Hyper-V Server 2012 core (no gui) -- internet access for VM's and adding 4 public IP's to the same VM's

I have a dedicated server running Hyper-V CORE 2012

I was assigned an extra 4 IP's which are routed direct to the main IP

Everytime i attempt to create an external network my hypervisor OS will lose connectivity and i end up having to format my dedicated server and start over. (before even trying the 4 extra IP's )

I have found many articles on Hyper-V but most are related to Server 2008 with the Hyper-V role.

I need the following:

1. howto get a Server 2012 Standard running as a VM connected to the internet.

2. howto use 4 public IP's on 4 VM's  (the original IP still going to Hyper-V)

Please and thanks for any relevant info.