<div dir="ltr">Please don&#39;t drop the mailing list.<div><ol><li>I don&#39;t know why Auto-Negotiation is turned off - per your earlier picture on settings<br></li><li>Why do you want to do &quot;datapath=netdev&quot;? I am not sure if this is needed.<br></li><li>Note that both host (in this case OVS) and the client must have port speed at your requirement.  Best is to connect a modern PC with a GB interface and see if this still is a problem.</li></ol><div>You will have to debug each item and make sure they are working per requirements.  All I can tell you that OVS does not have a problem as it works consistently.  But, you may have to check your system settings.</div></div><div><br></div><div>/Shivaram</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Oct 31, 2017 at 2:21 AM, 刘君03 <span dir="ltr">&lt;<a href="mailto:liujun03@b.360.cn" target="_blank">liujun03@b.360.cn</a>&gt;</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"><span lang="EN-US" style="font-size:14.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">Hello<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">On the issue that yesterday, I use this order to see the results as follows</span><span style="font-size:14.0pt;color:#1f497d">:</span><span lang="EN-US" style="font-size:14.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d"><img width="1375" height="323" id="m_434838428922357890图片_x0020_4" src="cid:image001.png@01D3526C.3178C3E0"></span><span lang="EN-US" style="font-size:10.5pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d"><img width="528" height="37" id="m_434838428922357890图片_x0020_11" src="cid:image002.png@01D3526C.3178C3E0"></span><span lang="EN-US" style="font-size:10.5pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">I have checked my cable and make sure it is CAT6 and of good quality. But still found Speed is 10Mb/s. I would like to ask you for this issue
 can give investigation methods and operational recommendations. Thank you very much. (</span><span style="font-size:14.0pt;color:#1f497d">∩</span><span lang="EN-US" style="font-size:14.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">_</span><span style="font-size:14.0pt;color:#1f497d">∩</span><span lang="EN-US" style="font-size:14.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">)<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u> <u></u></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt">发件人<span lang="EN-US">:</span></span></b><span lang="EN-US" style="font-size:10.0pt"> Shivaram Mysore [mailto:<a href="mailto:shivaram.mysore@gmail.com" target="_blank">shivaram.mysore@gmail.<wbr>com</a>]
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</span><b><span style="font-size:10.0pt">发送时间<span lang="EN-US">:</span></span></b><span lang="EN-US" style="font-size:10.0pt"> 2017</span><span style="font-size:10.0pt">年<span lang="EN-US">10</span>月<span lang="EN-US">31</span>日<span lang="EN-US"> 0:57<br>
</span><b>收件人<span lang="EN-US">:</span></b><span lang="EN-US"> </span>刘君<span lang="EN-US">03<br>
</span><b>抄送<span lang="EN-US">:</span></b><span lang="EN-US"> <a href="mailto:bugs@openvswitch.org" target="_blank">bugs@openvswitch.org</a><br>
</span><b>主题<span lang="EN-US">:</span></b><span lang="EN-US"> Re: [ovs-discuss] A Urgent problem about [OVS +DPDK + Ten Gigabit Interface]<u></u><u></u></span></span></p>
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<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span lang="EN-US">First check your cable - ex. make sure it is CAT6 and of good quality.  It looks like you are using 10G Copper port.<u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-US">Also, per my understanding of ethtool, you should run it on interface, for example:<u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span lang="EN-US"># ethtool ovs-dpdk-0 | grep Speed<u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span lang="EN-US">Cheers<u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span lang="EN-US">On Sun, Oct 29, 2017 at 11:22 PM, </span>
刘君<span lang="EN-US">03 &lt;<a href="mailto:liujun03@b.360.cn" target="_blank">liujun03@b.360.cn</a>&gt; wrote:<u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt">Hello, OVS friends, I am a novice who uses ovs. Now encounter a thorny problem.</span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt">Basic environment</span><span style="font-size:14.0pt">:<span lang="EN-US">CentOS Linux release 7.4.1708 (Core)</span></span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt">                            Linux version 3.10.0-693.2.2.el7.x86_64</span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt">Installation procedure reference</span><span style="font-size:14.0pt">:<span lang="EN-US"><a href="http://docs.openvswitch.org/en/latest/intro/install/dpdk/" target="_blank">http://docs.<wbr>openvswitch.org/en/latest/<wbr>intro/install/dpdk/</a></span></span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt">                              <wbr>                              <wbr>   &amp;
<a href="http://docs.openvswitch.org/en/latest/intro/install/general/" target="_blank">
http://docs.openvswitch.org/<wbr>en/latest/intro/install/<wbr>general/</a></span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt">Test Environment</span><span style="font-size:14.0pt">:</span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt"><img border="0" width="420" height="451" id="m_434838428922357890_x0000_i1025" src="cid:image005.png@01D3526C.3178C3E0"></span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;color:red">Urgent problem to show</span><span style="font-size:14.0pt;color:red">:(<span lang="EN-US">1</span>)<span lang="EN-US">Tester
 found: Large loss of data packets when 100</span>、<span lang="EN-US">1000Mb/s and 10Gb/s</span></span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;color:red">                              <wbr>                  
</span><span style="font-size:14.0pt;color:red">(<span lang="EN-US">2</span>)<span lang="EN-US">ethtool command as shown below</span>(<span lang="EN-US">and can not modify field “speed”</span>):</span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt"><img border="0" width="1056" height="306" id="m_434838428922357890m_6820035000580701500图片_x0020_6" src="cid:image006.png@01D3526C.3178C3E0"></span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt">                                         
</span><span style="font-size:14.0pt;color:red">(<span lang="EN-US">3</span>)<span lang="EN-US">ovs-vsctl list command as shown below</span>(<span lang="EN-US">link_speed=10,000,000=<wbr>10Mb/s</span>,<span lang="EN-US">Only “options” fields can be manually modified
 to “link_speed=10G”</span>)</span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt"><img border="0" width="1385" height="579" id="m_434838428922357890m_6820035000580701500图片_x0020_15" src="cid:image007.png@01D3526C.3178C3E0"></span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt"> </span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;color:red">Urgent problem</span><span style="font-size:14.0pt;color:red">:(<span lang="EN-US">1</span>)<span lang="EN-US">Whether a large
 number of lost packets because speed=10Mb/s</span>?<span lang="EN-US">How to modify this value</span>?</span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt">                           
</span><span style="font-size:14.0pt;color:red">(<span lang="EN-US">2</span>)<span lang="EN-US">Why create ovs-switch</span>(<span lang="EN-US">datapath_type=<wbr>netdev</span>)<span lang="EN-US">will make the default link_speed=10Mb/s</span>?</span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal" style="margin-left:63.0pt;text-indent:21.0pt">
<span style="font-size:14.0pt;color:red">(<span lang="EN-US">3</span>)<span lang="EN-US">Whether or not special parameter settings are required for link_speed=10Gb/s</span>?</span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt"> </span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt">Remarks</span><span style="font-size:14.0pt">:(<span lang="EN-US">1</span>)<span lang="EN-US">Virtual Firewall status is ok.</span></span><span lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt"> </span><span lang="EN-US"><u></u><u></u></span></p>
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______________________________<wbr>_________________<br>
discuss mailing list<br>
<a href="mailto:discuss@openvswitch.org" target="_blank">discuss@openvswitch.org</a><br>
<a href="https://mail.openvswitch.org/mailman/listinfo/ovs-discuss" target="_blank">https://mail.openvswitch.org/<wbr>mailman/listinfo/ovs-discuss</a><u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
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