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Part 1 – PVRDMA and how to test it in home lab.

Part 1 – PVRDMA and how to test it in home lab.

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One of the members of the VMware User Community (VMTN) inspired me to build a configuration where two VMs use PVRDMA network adapters to communicate. The goal I wanted to achieve was to establish the communication between VMs without using Host Channel Adapter cards installed in hosts. It’s possible to configure it as stated here, in the VMware vSphere documentation. For virtual machines on the same ESXi hosts or virtual machines using the TCP-based fallback, the HCA is not required….

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NSX-V VTEP, MAC, ARP Tables content mapping

NSX-V VTEP, MAC, ARP Tables content mapping

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It took me a while to figure out what information I see while displaying VTEP, MAC and ARP table on Controller Cluster in NSX. In documentation you can find what information are included in those tables but it might not be seemingly obvious which field contains what kind of data that’s why I decided to make a short reference for myself but maybe it will help also someone else. To understand those tables I started with Central CLI to display…

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Alternative methods to create virtual switch.

Alternative methods to create virtual switch.

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Creating virtual switch through GUI is well described in documentation and pretty intuitive using GUI. However, sometimes it might be useful to know how to do it with CLI or Powershell, thus making the process part of a script to automate initial configuration of ESXi after installation. Here you will find commands which are necessary to create and configure a standard virtual switch using CLI and Powershell. Those examples will describe the process of vSwitch creation for vMotion traffic which involves VMkernel…

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