Hyper-V 2019 and 2016 - Network Issues Outgoing Unstable (jumping)

utha 1 Reputation point
2021-10-16T08:36:06.857+00:00

Hi,

I found strange networking issues on my Hyper-V Core 2016 and 2019
I am using HP Proliant DL380 Gen9

My issue is when I try to ping from Hyper-V VM (debian in my case) to another server sometimes unstable/intermittent/jumping (from 0.x to 1ms) (as capture below)
I already disable tcp offload, rss, rsc, vmq but still no luck.

141013-screen-shot-2021-10-16-at-153200.png

How can I improve it?
Any help will be appreciated

Thank you

Windows Network
Windows Network
Windows: A family of Microsoft operating systems that run across personal computers, tablets, laptops, phones, internet of things devices, self-contained mixed reality headsets, large collaboration screens, and other devices.Network: A group of devices that communicate either wirelessly or via a physical connection.
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  1. Gary Reynolds 9,391 Reputation points
    2021-10-22T21:59:59.233+00:00

    Hi @utha

    Ping is not a reliable method to test the performance of a server or network, as there are a number of variables on both source and target machines that could impact the results and clients network stacks might not prioritise ICMP packet other traffic. Also your virtual platform could also impact the results, due to resource allocation or other VM load.

    The suggestion would be to test the performance against the intend use rather than a ping result.

    Gary.

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