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New hardware support & enhancements to USB Network Native Driver for ESXi

06.17.2019 by William Lam // 1 Comment

Since releasing the USB Network Native Driver for ESXi Fling back in February, the feedback and support for this Fling has simply been amazing. I especially enjoy hearing from customers, almost on a weekly basis, on how they are taking advantage of this solution in their vSphere/vSAN/NSX home lab and enabling for more complex networking topologies.

When we released the fling, we had focused on the most popular USB 3.0 network adaptors that we had accessed to which were based on AX8817a, AX88179 & RTL8153 chipsets. The initial list started out with just 5 devices, but we knew there were going to be others. In fact, Songtao and I have received plenty of feedback from our customers on what they would like to see supported, including USB 2.0 network adaptors. Another highly requested feature that customers have been asking for is support for Jumbo Frames and this is usually in the context of setting up either an NSX-V or NSX-T environment.

[Read more...]

Categories // ESXi, Home Lab, Not Supported, vSphere Tags // ESXi 6.5, ESXi 6.7, native device driver, usb ethernet adapter, usb network adapter

ESXi Native Driver for USB NIC Fling

02.12.2019 by William Lam // 35 Comments

Today, I am very excited to announce a new Fling that I have been working on which is a Native Driver for ESXi that will enable support for three of the most popular USB network adapter chipsets found in the market today. The ASIX USB 2.0 gigabit network ASIX88178a, ASIX USB 3.0 gigabit network ASIX88179 & the Realtek USB 3.0 gigabit network RTL8153. This effort had initially started back in 2016 as a side project with Songtao, a VMware Engineer who works on our USB stack for ESXi. Based on the enormous amount of feedback from the community as well customer Production use cases, this side project evolved into the development of a full fledge Native Driver for ESXi.

This Fling is more than just adding additional network interfaces for vSphere Home Labs, which is definitely a use case, but it is also about enabling new and future computing platforms that may not always have the traditional network connectivity that we have come to expect. Today, ESXi supports a number of high-end network controllers (10G/40G/100G) designed for Enterprise Data Centers that include advanced networking & low latency features. As more & more workloads appear at the Edge like IoT, point-of-sales & remote office use cases, the traditional networking solutions may no longer meet the needs of these new infrastructures.

For Edge computing environments, reducing the cost & power consumption is definitely one of the driving factors. However, with some of these platforms, their form factors can make it difficult or impossible to support traditional high-end network controllers. Luckily, there are a number of options for network adapters in the market but is can also be difficult to support them all.

USB has become one the most widely adopted connection type in the world & USB network adapters are also popular amongst Edge computing platforms. In some platforms, there is either limited or no PCI/PCIe slots for I/O expansion & in some cases, an Ethernet port is not even available. This Fling will hopefully help enable some of these Edge use cases today and with the help of the community and feedback, we can see how this can be enhanced or evolved over time including where it could even be part of the ESXi distribution.

Another use case for USB-based network adapters as mentioned earlier are for vSphere Home Labs, platforms like the Intel NUC or Apple Mac Mini have limited number of built-in Ethernet ports, but plenty of USB & USB-C ports which can enable these platforms with additional networking capabilities. These systems could also be potential Edge platform candidates given the right connectivity.

For download and instructions, please visit https://labs.vmware.com/flings/usb-network-native-driver-for-esxi

Categories // ESXi, Home Lab, vSphere Tags // ESXi 6.5, ESXi 6.7, native device driver, usb ethernet adapter, usb network adapter

Functional USB-C Ethernet Adapter for ESXi 5.5, 6.0 & 6.5

01.22.2017 by William Lam // 23 Comments

While attending an offsite this week, there were some discussions amongst my colleagues about their new Apple Mac Pro and its USB-C only ports. The discussion was completely unrelated to work, however that did get me thinking about the USB-C peripheral market and specifically their ethernet adapters. While searching online, I came across several new USB-C to gigabit ethernet adapters that were now available and one in particular that was very interesting, was the Plugable USB-C to 10/100/1000 Gigabit Ethernet LAN Network Adapter. What caught my eye about this specific network adapter was that it uses the exact same ASIX AX88179 driver as my USB 3.0 to Ethernet Adapter ESXi VIBs were built off of! There was a good chance this might just work.


As you can probably guess, I was pretty excited and quickly ordered one of the Plugable USB-C Ethernet Adapters. The next challenge was getting access to a system that has a USB-C port. After asking around, I finally got my hands on a Dell XPS 13 which has a USB-C port that I could use for a few days. Funny enough, the Dell laptop only has USB 3.0 and USB-C ports, so the first challenge was to disable Secure Boot since I had built a custom ESXi 6.5 image that included my USB 3.0 Ethernet Adapter VIB. Below are the ESXi VIBs or offline bundles that will be required for this solution.

UPDATE (02/12/19) - A new VMware Native Driver for USB-based NICs has just been released, please use this driver going forward.

  • ESXi 5.5 Update 3 USB Ethernet Adapter Driver VIB or ESXi 5.5 Update 3 USB Ethernet Adapter Driver Offline Bundle
  • ESXi 6.0 Update 2 USB Ethernet Adapter Driver VIB or ESXi 6.0 Update 2 USB Ethernet Adapter Driver Offline Bundle
  • ESXi 6.5 USB Ethernet Adapter Driver VIB or ESXi 6.5 USB Ethernet Adapter Driver Offline Bundle

Please see this blog post for more detailed instructions on installing the VIB as well as accessing the vusbX pNIC.

Disclaimer: This is not officially supported by VMware. Use at your own risk.

Once I got ESXi up and running, I was disappointed to see that the USB-C device was not being detected. I had tried a few more things but nothing worked and I decided to sleep on it. The next morning, I realize maybe there was some additional settings that needed to be tweaked in the BIOS. With a bit of trial/error, I found out that you needed to enable the "Thunderbolt Boot Support" which apparently is disabled by default, at least on this Dell system. Below is a screenshot of the BIOS USB/Thunderbolt Settings and this was the only change required from the system defaults.


Once I rebooted, I immediately saw the link up on the USB-C device while ESXi was starting up 😀

[Read more...]

Categories // ESXi, Home Lab, vSphere 5.5, vSphere 6.0, vSphere 6.5 Tags // ESXi 5.5, ESXi 6.0, ESXi 6.5, thunderbolt 3, usb ethernet adapter, usb network adapter, USB-c

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William is Distinguished Platform Engineering Architect in the VMware Cloud Foundation (VCF) Division at Broadcom. His primary focus is helping customers and partners build, run and operate a modern Private Cloud using the VMware Cloud Foundation (VCF) platform.

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Recent

  • Programmatically accessing the Broadcom Compatibility Guide (BCG) 05/06/2025
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  • Supported chipsets for the USB Network Native Driver for ESXi Fling 04/23/2025
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