<div dir="ltr">absolutely increase it, it lowers the overhead of TCP. 9000 should be the default MTU for 10 GB links at a minimum. be wary of packet fragmentation if they end up somewhere that isn't configured to use that MTU though.<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Jun 7, 2016 at 3:22 PM, Lightner, Jeffrey <span dir="ltr"><<a href="mailto:JLightner@dsservices.com" target="_blank">JLightner@dsservices.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal">Is there any intrinsic benefit to using a higher MTU for 40 GB NICs?
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<p class="MsoNormal">That is, with all other things being equal is there any benefit to setting it higher on a 40 GB than on a 10 GB or 1 GB?<u></u><u></u></p>
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<p class="MsoNormal">I notice 40 GB defaulted to 1500 just like the 1 GB and 10 GB.<u></u><u></u></p>
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<p class="MsoNormal">The only time I’ve mucked with MTU in recent memory was because a vendor insisted it would solve a problem. (It didn’t because the issue wasn’t networking in the first place but that is another story.)<u></u><u></u></p>
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