<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div id="bloop_customfont" style="font-family:Calibri,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">RH does have firewall rules you may want to see if DNS is going out. I know you said that it goes outside but you can also check the order if in nsswitch.conf etc.. </div><div id="bloop_customfont" style="font-family:Calibri,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;"><br></div><div id="bloop_customfont" style="font-family:Calibri,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">Have a good day, </div><div id="bloop_customfont" style="font-family:Calibri,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;"><br></div><div id="bloop_customfont" style="font-family:Calibri,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">ciao </div> <div id="bloop_sign_1384300449952177920"><span style="font-family:helvetica,arial;font-size:13px"></span>-- <br>Remo Mattei<br><br></div> <br><p style="color:#A0A0A8;"> November 12, 2013 at 14:32:52, Xin Zhao (<a href="mailto://xzhao@bnl.gov">xzhao@bnl.gov</a>) ha scritto:</p> <blockquote type="cite" class="clean_bq"><span><div><div>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>
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