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    <div class="moz-cite-prefix">Thanks for all the reply, as Paul said,
      the dnsmasq version doesn't appear to be the issue here. <br>
      <br>
      I also tested dns between 2 different VM subnets, instances can
      ping each other across subnets, they can also reach dns server of
      the other subnet. But hostname can't be resolved across subnets. <br>
      Although I am not sure if this is the same issue as it is for the
      outgoing nameserver, or a feature by design ... <br>
      <br>
      Thanks,<br>
      Xin<br>
      <br>
      On 11/15/2013 4:35 AM, JuanFra Rodriguez Cardoso wrote:<br>
    </div>
    <blockquote
cite="mid:CAGXO4kyyXW5uh=roB_jF0zRXLnNbfdinnKyaBiegUpAq2YJLNw@mail.gmail.com"
      type="cite">
      <div dir="ltr">You can get a newer dnsmasq version here:<br>
        <a moz-do-not-send="true"
href="http://pkgs.repoforge.org/dnsmasq/dnsmasq-2.65-1.el6.rfx.x86_64.rpm">http://pkgs.repoforge.org/dnsmasq/dnsmasq-2.65-1.el6.rfx.x86_64.rpm</a>
        <br>
        <div class="gmail_extra">
          <br>
        </div>
        <div class="gmail_extra">Regards,<br clear="all">
        </div>
        <div class="gmail_extra">
          <div>
            <div>---</div>
            JuanFra</div>
          <br>
          <br>
          <div class="gmail_quote">2013/11/14 Xin Zhao <span dir="ltr"><<a
                moz-do-not-send="true" href="mailto:xzhao@bnl.gov"
                target="_blank">xzhao@bnl.gov</a>></span><br>
            <blockquote class="gmail_quote" style="margin:0 0 0
              .8ex;border-left:1px #ccc solid;padding-left:1ex">
              Hi Terry,<br>
              <br>
              I upgrade to version 2013.1.4 on all 3 hosts
              (controller/network/compute). Unfortunately that doesn't
              solve the DNS issue for instances.<br>
              <br>
              In the dhcp-agent.log, there is a message of:<br>
              <br>
              WARNING [quantum.agent.linux.dhcp] FAILED VERSION
              REQUIREMENT FOR DNSMASQ. DHCP AGENT MAY NOT RUN CORRECTLY!
              Please ensure that its version is 2.59 or above!<br>
              <br>
              Not sure if it's critical or not ...<br>
              <br>
              Thanks,<br>
              Xin
              <div class="HOEnZb">
                <div class="h5"><br>
                  <br>
                  On 11/14/2013 12:36 PM, Terry Wilson wrote:<br>
                  <blockquote class="gmail_quote" style="margin:0 0 0
                    .8ex;border-left:1px #ccc solid;padding-left:1ex">
                    <blockquote class="gmail_quote" style="margin:0 0 0
                      .8ex;border-left:1px #ccc solid;padding-left:1ex">
                      Hello,<br>
                      <br>
                      I have a multi-host grizzly RHEL6 install, using
                      OVS. From the instance,<br>
                      I can ping external ips, but DNS resolv doesn't
                      work, it only works for<br>
                      other instances on the VM network.<br>
                      If I do subnet-update to add public DNS server ips
                      to the vm network,<br>
                      DNS resolv works for external hosts, but stops
                      working for other<br>
                      instances on the same VM network.<br>
                      Do I miss some configuration here?<br>
                      <br>
                      Thanks,<br>
                      Xin<br>
                    </blockquote>
                    Which version of quantum are you using? In version
                    2013.1.4, a bug was fixed for adding a default route
                    in the namespace in which the dnsmasq agent runs so
                    that external DNS requests could be handled. See: <a
                      moz-do-not-send="true"
                      href="https://bugs.launchpad.net/neutron/+bug/1181378"
                      target="_blank">https://bugs.launchpad.net/neutron/+bug/1181378</a>
                    for more details.<br>
                    <br>
                    Terry<br>
                  </blockquote>
                  <br>
                  <br>
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