Book Image

VMware NSX Network Essentials

By : sreejith c
Book Image

VMware NSX Network Essentials

By: sreejith c

Overview of this book

VMware NSX is at the forefront of the software-defined networking revolution. It makes it even easier for organizations to unlock the full benefits of a software-defined data center – scalability, flexibility – while adding in vital security and automation features to keep any sysadmin happy. Software alone won’t power your business – with NSX you can use it more effectively than ever before, optimizing your resources and reducing costs. Getting started should be easy – this guide makes sure it is. It takes you through the core components of NSX, demonstrating how to set it up, customize it within your current network architecture. You’ll learn the principles of effective design, as well as some things you may need to take into consideration when you’re creating your virtual networks. We’ll also show you how to construct and maintain virtual networks, and how to deal with any tricky situations and failures. By the end, you’ll be confident you can deliver, scale and secure an exemplary virtualized network with NSX.
Table of Contents (15 chapters)
VMware NSX Network Essentials
Credits
Foreword
About the Author
About the Reviewer
www.PacktPub.com
Preface

Chapter 8.  NSX Troubleshooting

Let me start this chapter with a famous quote from Antisthenes:

"Not to unlearn what you have learned is the most necessary kind of learning"

I couldn't find a better quote than that for giving everyone a heads-up on how vital it is to ensure that we recollect what we have learned so far in previous chapters about how to approach a problem to see what the best solution is. For the best solution to also be the quickest, we truly need to know how to approach a scenario, where to start looking, what logs are useful, and lastly, when to engage the vendor for further troubleshooting. As we all know, our course is focused on NSX with vSphere. NSX is tightly integrated with vSphere.

Taking a real example, even a well-constructed building will not stand on a weak foundation. A bad vSphere design will have a direct impact on NSX components, no matter how good the NSX design is. This rule of thumb is the same for any VMware solution that runs on top of vSphere. In...