Overview

Introduction

The Create and Configure Virtual Networks module provides you with the instruction and server hardware to develop your hands on skills in the defined topics. This module includes the following exercises:

  • Configure Hyper-V Virtual Switches
  • Configure Network Isolation
  • Optimize Network Performance

Exercise 1 - Configure Hyper-V Virtual Switches

A virtual network works like a physical network switch except that the switch is software-based which is why it is sometimes referred to as a virtual network switch. Ports are added or removed when virtual machines are connected to or disconnected from a virtual network.

With Hyper-V’s Virtual Network Manager, it offers three types of virtual networks that you can use.

External virtual networks. You can use this type when you want to provide virtual machines with access to a physical network and communicate with externally located servers and clients.

nternal virtual networks. You can use this type when you want to allow network communication between virtual machines on the same virtualization server and between virtual machines and the management operating system.

Private virtual network. You can use this type when you want allow network communication between virtual machines on the same virtualization server. A private virtual network is not bound to a physical network adapter. This type of network is useful if you want to create an isolated network environment.

In this exercise, you will perform the tasks required to create and configure Hyper-V virtual switches.

Exercise 2 - Configure Network Isolation

Hyper-V Server’s network isolation feature gives you the capability to work with multiple network segments that can isolate virtual machines and physical computers from one another. Network isolation allows you to work with an array of services on virtual machines without the risk of disrupting the services of a live production network.

In this exercise, you will perform the tasks required to configure network isolation in virtual machines maintained by Hyper-V Server.

Exercise 3 - Optimize Network Performance

Windows Server Hyper-V supports Single Root Input-Output (SR-IOV) networking to enhance network performance between a virtual machine and the physical network. SR-IOV is a standard which describes how PCI Express device like network interface cards can work with virtualization solutions like that of Windows Hyper-V. Input-output performance of the virtual network adapter in guest virtual machines is greatly enhanced as it can keep up with the link speed of the physical network adapter in a Hyper-V host.

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