<div dir="ltr"><div>Thanks for the clarification Yaniv.<br></div><div>Perhaps at some point we can set this value manually to reflect in the interface the maximum the VM can do either limited by the Host Nic or QoS.<br><br></div><div>Regards,<br></div><div>Fernando<br></div></div><div class="gmail_extra"><br><div class="gmail_quote">2017-02-13 17:58 GMT-02:00 Yaniv Kaul <span dir="ltr"><<a href="mailto:ykaul@redhat.com" target="_blank">ykaul@redhat.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote"><span class="">On Mon, Feb 13, 2017 at 8:30 PM, Fernando Frediani <span dir="ltr"><<a href="mailto:fernando.frediani@upx.com.br" target="_blank">fernando.frediani@upx.com.br</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>Hello Yaniv.</p>
<p>Yes that exactly the bonding hash I am using layer3+4.</p>
<p>I have another server where I run simple libvirt/KVM in a similar
scenario e it does balance the traffic well between all physical
interfaces on the host as there are many individual connections to
the VM.</p>
<p>But my question was if there was anything that hard limit any VM
traffic to 1Gb unless you change and also what the speed the is
shown on the interface is related to ? 1Gb, 10Gb or if you can set
that specifically ?</p></div></blockquote><div><br></div></span><div>Nope, no limit. It's just when virtio was invented they needed to give it some speed (to show in Windows, ethtool, etc.) and 1Gb seemed like a good nice number. It's not enforced anywhere.</div><span class="HOEnZb"><font color="#888888"><div>Y.</div></font></span><span class=""><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div bgcolor="#FFFFFF" text="#000000"><span class="m_6266197769673678988HOEnZb"><font color="#888888">
<p>Fernando<br>
</p></font></span><div><div class="m_6266197769673678988h5">
<br>
<div class="m_6266197769673678988m_-6281393355917410489moz-cite-prefix">On 13/02/2017 16:25, Yaniv Kaul wrote:<br>
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<div dir="ltr"><br>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Mon, Feb 13, 2017 at 6:25 PM,
Fernando Frediani <span dir="ltr"><<a href="mailto:fernando.frediani@upx.com.br" target="_blank"></a><a class="m_6266197769673678988m_-6281393355917410489moz-txt-link-abbreviated" href="mailto:fernando.frediani@upx.com.br" target="_blank">fernando.frediani@upx.com.br</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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<div>
<div>Hello.<br>
<br>
</div>
Is there any limitation of bandwidth for a Virtual
Machine per default ?<br>
<br>
</div>
I have a host with a bonding of 3 x 1Gb and the VM
is connected to that bonding. On the Engine
interface on the VM status I see "Network" and it
has a percentage and a tiny graph. What that
percentage is related to ? 1Gb ? 3Gb ? 10Gb ?<br>
<br>
</div>
Is there anything that has to be done in order the VM
can achieve speeds over 1Gbps ?</div>
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<div>To the external network, you cannot easily achieve
>1Gb, unless you open multiple connections that will go
over multiple physical NICs. It depends on the bond
hashing policy. layer3+4 might make it easier to achieve.
This is not very different than a connection from the
host. (I think UDP should be easier, but it's less
interesting?)</div>
<div><br>
</div>
<div>VM to VM traffic should easily overcome 1Gbps.</div>
<div>Y.</div>
<div> </div>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<div><span class="m_6266197769673678988m_-6281393355917410489HOEnZb"><font color="#888888"><br>
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</font></span></div>
<span class="m_6266197769673678988m_-6281393355917410489HOEnZb"><font color="#888888">Fernando<br>
</font></span></div>
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