What happens in terms of performance, if I didn't install VMware tools on linux with NIC defined as VXNET3

Hi Experts,

I would like to understand the following:

Currently, I have a server with 10 G interfaces (u1, ESXi 5.5) and I installed SUSE linux as a virtual machine with adapter NIC VXNET3, but I don't want to install VMware tools. According to the article, VMtools are needed for VXNET3

VMware KB: Choose one network adapter for your virtual machine

So my question is: what happens to the performance of the network on this machine? (Saw that it basically works but not sure of the performance).

Another question: in which case we have a virtual machine, but we do not want to install VMtools on it, which is recommended for this virtual machine NIC adapter?

Thank you

ekhmahg

so my question is, what is the performance impact of not installing the VMtools when using VXNIC?

None. Even if you have installed VMware tools, your BONES would still use the supplied kernel vmxnet3 module unless force you the installation of the VMware Tools (-clobber-kernel-modules = vmxnet3).

Overwrite the supplied OS module is not recommended and besides if you're updating your kernel on a regular basis, you'll probably a newer version or at least the version module even as provided by the VMware tools (unless you keep bleeding edge with your updates of ESXi).

the second question: If we do not want to install VMtools at all, what is the best recommended NIC adapter?

vmxnet3. As you do not need to install the VMware Tools since the kernel module is provided by every modern Linux already.

Tags: VMware

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