One NIC host - can I connect VMs to the Internet?

Hello everybody,
probably you've seen this before, but I haven't had any success in finding the right answer.
Question is, can I connect the VMs, living on a host with a single physical NIC, to the Internet?
I need to set up 3 VMs (same LAN) to connect to the Internet through the host, but the host has only one physical NIC.
Is it possible?

Yes.  A single nic can share host and vm traffic.
We have our servers set up with a single nic (in our case, a virtual nic that represents a team of 2 nics) which shares vm and host traffic. 
Edit:  Sorry, I did forget the multiple vm part.  Akshay is right, we have many vms sharing a single external virtual switch.  You will also need to make sure "allow management operating system to share this network" is checked so the
host can access the network.

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