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Hyper-V Network Virtualization Cookbook

You're reading from   Hyper-V Network Virtualization Cookbook Over 20 recipes to ease the creation of new virtual machines in the networking layer using Hyper-V Network Virtualization

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Product type Paperback
Published in Nov 2014
Publisher
ISBN-13 9781782177807
Length 228 pages
Edition 1st Edition
Tools
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Author (1):
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Ryan Boud Ryan Boud
Author Profile Icon Ryan Boud
Ryan Boud
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Toc

Table of Contents (11) Chapters Close

Preface 1. Installing Virtual Machine Manager 2. Configuring Networks for Hyper-V Network Virtualization FREE CHAPTER 3. Creating the Gateway for Virtual Machine Communications 4. IP Address Management Integration with VMM for Hyper-V Network Virtualization 5. Windows Server Gateway Configuration 6. Implementing Network Isolation in Hyper-V 7. Network Access Control Lists A. VM Templates B. Planning the Virtual Machine Manager Index

Introduction

HNV requires the use of gateways that understand the Network Virtualization using Generic Routing Encapsulation (NVGRE) protocol and what is being asked of it.

Microsoft has implemented the gateway functionality within Windows Server 2012 R2, and it is extremely efficient to connect VM Networks to HNV gateways by using VMM.

If you have followed all of the recipes so far in this book, you have a network that logically looks similar to the following diagram:

Introduction

Adding a HNV gateway to this will allow the VMs within the currently declared VM Networks to communicate outside their VM Network. Within Windows Server 2012 R2, there are two possible implementations of the gateway:

  • Network Address Translation (NAT): This is the traditional edge device implementation that allows VMs on the VM Networks to have Internet access and for inbound NAT translation rules. A NAT-based gateway can handle up to 50 VM Networks by default.
  • Direct Routing: This acts in a traditional router sense connecting...
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