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<br><div><div>On Jul 20, 2012, at 9:57 PM, Narayan Desai wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>Just for the record, we found the issue. There was some filtering<br>being applied in the bridge code which randomly (?) dropped some DNS<br>requests. Setting:<br>net.bridge.bridge-nf-call-arptables = 0<br>net.bridge.bridge-nf-call-iptables = 0<br>net.bridge.bridge-nf-call-ip6tables = 0<br><br>completely resolved the problem.<br><br>I've written up full details here:<br><a href="http://buriedlede.blogspot.com/2012/07/debugging-networking-problems-with.html">http://buriedlede.blogspot.com/2012/07/debugging-networking-problems-with.html</a><br> -nld<br><br></div></blockquote><br></div><div>Great writeup, I proposed a section to the docs for this: <a href="https://review.openstack.org/10106">https://review.openstack.org/10106</a></div><div><br></div><br><div><div>Take care,</div><div><br></div><div>Lorin</div><div>--</div><div>Lorin Hochstein</div><div>Lead Architect - Cloud Services</div><div>Nimbis Services, Inc.</div><div><a href="https://www.nimbisservices.com/">www.nimbisservices.com</a></div><div><br></div></div></body></html>