Don't forget to run a ping with a size of 8500 and "do not fragment"
flag.
This will really prove that you are no longer using the small MTU anywhere on the path.
Best Regards,
Strahil NikolovOn Jul 9, 2019 17:27, Mark Steele <msteele(a)telvue.com> wrote:
Thank you Strahil,
The MTU appears to be set to 1500 according to 'ifconfig'.
Mark
***
Mark Steele
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On Tue, Jul 9, 2019 at 10:14 AM Strahil Nikolov <hunter86_bg(a)yahoo.com> wrote:
>
> The first thing that comes to my mind is to check the network's MTU.
> By default it is 1500, and I suppose you can go with MTU 9000
> Also , check if OS is using MTU 9000
>
> Best Regards,
> Strahil Nikolov
>
> В вторник, 9 юли 2019 г., 9:58:47 ч. Гринуич-4, Mark Steele
<msteele(a)telvue.com> написа:
>
>
> It seems that our oVirt instance never exceeds 550Mbps aggregate traffic (rx / tx)
according to nvstat. I want to make sure that the negotiated speed, handshaking, etc. are
all what I expect them to be from the OS level.
>
> ***
> Mark Steele