VMWARE host generalist question 😀

Hello experts.
I have a request to update host nic drivers (this bit I can do), and also to 'optimise' the host NICs. What's that mean exactly? could it be referring to network Enhancement features such as RSS and NetDMA perhaps? or is this something that is VMWARE specific and that you vmware experts can point me in the direction of?
thank you for reading.
Jason ThomasAsked:
Who is Participating?
Senior IT System EngineerConnect With a Mentor IT ProfessionalCommented:
Try this one:


Forthe in Guest VMXnet 3 drivers tweak.

I've done it in my VM templates and deployed to my produciton environment with no issue.
Jason ThomasAuthor Commented:
update drivers on vmware esxi hosts that should have stated.
Andrew Hancock (VMware vExpert / EE MVE^2)Connect With a Mentor VMware and Virtualization ConsultantCommented:
Is this on the host or the guests ?

and what options do you need to turn on, and are these supported within the Guest or Host ?

It will be VMware specific, e.g. the nic driver needs to support it, and is all configured via VMware ESXi.

e.g. duplex and speed settings could be considered as optimisation!
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Paul SolovyovskyConnect With a Mentor Senior IT AdvisorCommented:
I would recommend looking into nic firmware as well as drivers.  If using for iSCSI look at queue depth, etc..
What make and model NIC card is in your host? Can you please give us a briefly overview of your network requirements so we can help guide you better..

Your original question was a bit vague.. :-)
Jason ThomasAuthor Commented:
thank you all.
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