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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Have you defined the port in the security groups associated with the VMs?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Krishnaprasad<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext"> Priyanka Naik [mailto:ppnaik@cse.iitb.ac.in]
<br>
<b>Sent:</b> Mittwoch, 4. März 2015 10:46<br>
<b>To:</b> Openstack<br>
<b>Subject:</b> [Openstack] iperf not working between VMs<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p>Hi,<o:p></o:p></p>
<p>I have a multinode openstack juno setup. Iperf does not work between VMs( on the same compute node asw ell as different compute nodes)
<o:p></o:p></p>
<p>On iperf server VM<o:p></o:p></p>
<pre><span class="pln"> iperf </span><span class="pun">-</span><span class="pln">s<o:p></o:p></span></pre>
<pre><span class="pln"> </span><span class="pun">------------------------------------------------------------</span><span class="pln"><o:p></o:p></span></pre>
<pre><span class="pln"> </span><span class="typ">Server</span><span class="pln"> listening on TCP port </span><span class="lit">5001</span><span class="pln"><o:p></o:p></span></pre>
<pre><span class="pln"> TCP window size</span><span class="pun">:</span><span class="pln"> </span><span class="lit">85.3</span><span class="pln"> </span><span class="typ">KByte</span><span class="pln"> </span><span class="pun">(</span><span class="kwd">default</span><span class="pun">)</span><span class="pln"><o:p></o:p></span></pre>
<pre><span class="pln"> </span><span class="pun">------------------------------------------------------------</span><o:p></o:p></pre>
<p>On iperf client VM<o:p></o:p></p>
<pre><span class="pln"> iperf </span><span class="pun">-</span><span class="pln">c </span><span class="lit">192.168</span><span class="pun">.</span><span class="lit">1.42</span><span class="pln"> </span><span class="pun">-</span><span class="pln">p </span><span class="lit">8042</span><span class="pln"> </span><span class="pun">-</span><span class="pln">i </span><span class="lit">1</span><span class="pln"> </span><span class="pun">-</span><span class="pln">t </span><span class="lit">10</span><o:p></o:p></pre>
<p>The mtu of the VM interface is 1400. It does not work even after increasing or decreasing this value.<o:p></o:p></p>
<pre><span class="pln">ifconfig<o:p></o:p></span></pre>
<pre><span class="pln">eth0 </span><span class="typ">Link</span><span class="pln"> encap</span><span class="pun">:</span><span class="typ">Ethernet</span><span class="pln"> </span><span class="typ">HWaddr</span><span class="pln"> fa</span><span class="pun">:</span><span class="lit">16</span><span class="pun">:</span><span class="lit">3e</span><span class="pun">:</span><span class="pln">ac</span><span class="pun">:</span><span class="lit">70</span><span class="pun">:</span><span class="lit">99</span><span class="pln"> <o:p></o:p></span></pre>
<pre><span class="pln"> inet addr</span><span class="pun">:</span><span class="lit">192.168</span><span class="pun">.</span><span class="lit">1.41</span><span class="pln"> </span><span class="typ">Bcast</span><span class="pun">:</span><span class="lit">192.168</span><span class="pun">.</span><span class="lit">1.255</span><span class="pln"> </span><span class="typ">Mask</span><span class="pun">:</span><span class="lit">255.255</span><span class="pun">.</span><span class="lit">255.0</span><span class="pln"><o:p></o:p></span></pre>
<pre><span class="pln"> inet6 addr</span><span class="pun">:</span><span class="pln"> fe80</span><span class="pun">::</span><span class="pln">f816</span><span class="pun">:</span><span class="lit">3eff</span><span class="pun">:</span><span class="pln">feac</span><span class="pun">:</span><span class="lit">7099</span><span class="pun">/</span><span class="lit">64</span><span class="pln"> </span><span class="typ">Scope</span><span class="pun">:</span><span class="typ">Link</span><span class="pln"><o:p></o:p></span></pre>
<pre><span class="pln"> UP BROADCAST RUNNING MULTICAST MTU</span><span class="pun">:</span><span class="lit">1400</span><span class="pln"> </span><span class="typ">Metric</span><span class="pun">:</span><span class="lit">1</span><span class="pln"><o:p></o:p></span></pre>
<pre><span class="pln"> RX packets</span><span class="pun">:</span><span class="lit">5781941</span><span class="pln"> errors</span><span class="pun">:</span><span class="lit">0</span><span class="pln"> dropped</span><span class="pun">:</span><span class="lit">0</span><span class="pln"> overruns</span><span class="pun">:</span><span class="lit">0</span><span class="pln"> frame</span><span class="pun">:</span><span class="lit">0</span><span class="pln"><o:p></o:p></span></pre>
<pre><span class="pln"> TX packets</span><span class="pun">:</span><span class="lit">7096888</span><span class="pln"> errors</span><span class="pun">:</span><span class="lit">0</span><span class="pln"> dropped</span><span class="pun">:</span><span class="lit">0</span><span class="pln"> overruns</span><span class="pun">:</span><span class="lit">0</span><span class="pln"> carrier</span><span class="pun">:</span><span class="lit">0</span><span class="pln"><o:p></o:p></span></pre>
<pre><span class="pln"> collisions</span><span class="pun">:</span><span class="lit">0</span><span class="pln"> txqueuelen</span><span class="pun">:</span><span class="lit">1000</span><span class="pln"> <o:p></o:p></span></pre>
<pre><span class="pln"> RX bytes</span><span class="pun">:</span><span class="lit">3028179379</span><span class="pln"> </span><span class="pun">(</span><span class="lit">3.0</span><span class="pln"> GB</span><span class="pun">)</span><span class="pln"> TX bytes</span><span class="pun">:</span><span class="lit">3594331790</span><span class="pln"> </span><span class="pun">(</span><span class="lit">3.5</span><span class="pln"> GB</span><span class="pun">)</span><o:p></o:p></pre>
<p>Please help me solve this issue.<o:p></o:p></p>
<p>Thanks,<o:p></o:p></p>
<p>Priyanka<o:p></o:p></p>
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