In order for NSX-T to run properly, we need to first create a distributed switch in vCenter and add to it, the esxi hosts. From VMware: NSX Virtual Switch is based on vSphere distributed switches (VDSs), which provide uplinks for host connectivity to the top-of-rack (ToR) physical switches.
Table of Contents
Add a distributed switch in vCenter
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Add the ESXi hosts to the Distributed Switch
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It will take a couple minutes to add the vds to all the hosts and configure them. Once everything is added, you are ready for the next step.