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...