<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Feb 14, 2018 at 11:12 PM, Dmitry Semenov <span dir="ltr"><<a href="mailto:zend0@ya.ru" target="_blank">zend0@ya.ru</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">I have a not big cluster on oVirt 4.2.<br>
Each node has a bond, that has several vlans in its turn.<br>
I use virtual networks OVN (External Provider -> ovirt-provider-ovn).<br>
<br>
While testing I have noticed that in virtual network MTU must be less 1500, so my question is may I change something in network or in bond in order everything in virtual network works correctly with MTU 1500?<br></blockquote><div><br></div><div>What do you mean that it must be less?<br></div><div>If you want to have jumbo frames, you need your node to support it (HW support) and the media that connects the nodes to support it as well.<br></div><div>Then, you can go to the oVirt Engine, network section and set it (ovirtmgmt?) to whatever mtu you like (9000?).<br></div><div>If you have vlan/s defined on the bond which are not controlled by oVirt, then you need to do that manually.<br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<br>
Below link with my settings:<br>
<a href="https://pastebin.com/F7ssCVFa" rel="noreferrer" target="_blank">https://pastebin.com/F7ssCVFa</a><br>
<span class="gmail-HOEnZb"><font color="#888888"><br>
-- <br>
Best regards<br>
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</font></span></blockquote></div><br></div><div class="gmail_extra">Thanks,<br></div><div class="gmail_extra">Edy.<br></div></div>