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    <div class="moz-cite-prefix">On 1/10/2019 12:34 AM, Ramzah Rehman
      wrote:<br>
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cite="mid:CAHaWn+EMHv_GnV44UBO+eh-wVmQR9WPC2XU3yfX70iD+EY6y_A@mail.gmail.com">
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        <div dir="ltr">Thank you so much. I was able to add meter now
          following <a
href="https://github.com/ebiken/doc-network/wiki/How-To:-Install-OVS-(Kernel-Module)-from-Source-Code"
            moz-do-not-send="true">this link</a>. 
          <span style="color:rgb(0,0,0);font-size:14px">To build the
            Linux kernel module, I had to configure with </span>
          <span
style="color:rgb(0,0,0);font-family:monospace;font-size:14px;font-weight:700">--with-linux</span> 
          argument. Also, I had to delete the kernel's build-in
          openvswitch.ko module present in: /lib/modules/<span
            style="color:rgb(0,0,0);font-size:14px">$(uname -r)</span>/kernel/net/openvswitch
          before loading the one from OVS source.<br>
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    Deleting the built-in module is not necessary if you have built and
    installed your out of tree kernel modules<br>
    correctly.<br>
    <br>
    - Greg<br>
    <br>
    <blockquote type="cite"
cite="mid:CAHaWn+EMHv_GnV44UBO+eh-wVmQR9WPC2XU3yfX70iD+EY6y_A@mail.gmail.com">
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                    Best Regards,
                    <div>Ramzah Rehman</div>
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        <div dir="ltr">On Thu, Jan 10, 2019 at 11:50 AM Justin Pettit
          &lt;<a href="mailto:jpettit.ovn@gmail.com"
            moz-do-not-send="true">jpettit.ovn@gmail.com</a>&gt; wrote:<br>
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          0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
          <div dir="auto">You’ll need to consult your distro’s
            documentation about how to load an out-of-tree kernel
            module.  There’s usually plenty of examples available
            online.<br>
            <br>
            <div id="gmail-m_3902031590297325050AppleMailSignature"
              dir="ltr">--Justin
              <div><br>
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            <div dir="ltr"><br>
              On Jan 9, 2019, at 10:41 PM, Ramzah Rehman &lt;<a
                href="mailto:ramzahrehman@gmail.com" target="_blank"
                moz-do-not-send="true">ramzahrehman@gmail.com</a>&gt;
              wrote:<br>
              <br>
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                            <div>I made sure while building that I use
                              the module that was built from OVS sources
                              by creating a config file as shown in
                              Building section here: <a
                                href="http://docs.openvswitch.org/en/latest/intro/install/general/"
                                target="_blank" moz-do-not-send="true">http://docs.openvswitch.org/en/latest/intro/install/general/</a> </div>
                            <div><br>
                            </div>
                            <div>What else should I do to use the module
                              from OVS sources? </div>
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                    <br>
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                <div class="gmail_quote">
                  <div dir="ltr">On Thu, Jan 10, 2019 at 11:33 AM Justin
                    Pettit &lt;<a href="mailto:jpettit.ovn@gmail.com"
                      target="_blank" moz-do-not-send="true">jpettit.ovn@gmail.com</a>&gt;
                    wrote:<br>
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                    <div dir="auto">That’s the version of
                      ovs-vswitchd—the userspace daemon that talks with
                      the kernel datapath.<br>
                      <br>
                      <div
id="gmail-m_3902031590297325050gmail-m_7256445724033690455AppleMailSignature"
                        dir="ltr">--Justin
                        <div><br>
                        </div>
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                      <div dir="ltr"><br>
                        On Jan 9, 2019, at 10:17 PM, Ramzah Rehman &lt;<a
                          href="mailto:ramzahrehman@gmail.com"
                          target="_blank" moz-do-not-send="true">ramzahrehman@gmail.com</a>&gt;
                        wrote:<br>
                        <br>
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                      <blockquote type="cite">
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                            <div dir="ltr">Alright. But I can find
                              ovs-vswitchd version like this:
                              <div><br>
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                                <div> ovs-vswitchd --version</div>
                                <div>ovs-vswitchd (Open vSwitch) 2.10.90</div>
                              </div>
                              <div><br>
                              </div>
                              <div>Does this mean something?<br>
                                <br>
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                          <div class="gmail_quote">
                            <div dir="ltr">On Thu, Jan 10, 2019 at 2:33
                              AM Justin Pettit &lt;<a
                                href="mailto:jpettit@ovn.org"
                                target="_blank" moz-do-not-send="true">jpettit@ovn.org</a>&gt;
                              wrote:<br>
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                              style="margin:0px 0px 0px
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                              rgb(204,204,204);padding-left:1ex"><br>
                              &gt; On Jan 8, 2019, at 5:48 AM, Ramzah
                              Rehman &lt;<a
                                href="mailto:ramzahrehman@gmail.com"
                                target="_blank" moz-do-not-send="true">ramzahrehman@gmail.com</a>&gt;
                              wrote:<br>
                              &gt; <br>
                              &gt; ovs-vsctl list bridge br0<br>
                              &gt; <br>
                              &gt; _uuid               :
                              bd776aad-3a88-4d38-a7a2-6be57723f04b<br>
                              &gt; auto_attach         : []<br>
                              &gt; controller          : []<br>
                              &gt; datapath_id         :
                              "0000ae6a77bd384d"<br>
                              &gt; datapath_type       : ""<br>
                              &gt; datapath_version    :
                              "&lt;unknown&gt;"<br>
                              <br>
                              I think this is indicating that you're not
                              using the just-built OVS kernel module. 
                              The Linux built-in OVS kernel module
                              doesn't return a version, but the one
                              built from OVS sources would indicate the
                              version number of OVS that you built.<br>
                              <br>
                              --Justin<br>
                              <br>
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      <pre class="moz-quote-pre" wrap="">_______________________________________________
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