<html>
<head>
<meta content="text/html; charset=ISO-8859-1"
http-equiv="Content-Type">
</head>
<body bgcolor="#FFFFFF" text="#000000">
<div class="moz-cite-prefix">Hello,<br>
<br>
Just to close the loop : after assigning public DNS servers to
dnsmasq_dns_server option in dhcp_agent.ini, both the internal and
external hostnames can be resolved. The DNS server in
/etc/resolv.conf is on the internal management subnet, which is
not reachable from the dhcp network namespace, that's probably why
it wasn't working before. <br>
<br>
Thanks,<br>
Xin<br>
<br>
On 11/15/2013 5:16 PM, Xin Zhao wrote:<br>
</div>
<blockquote cite="mid:52869D2F.9010306@bnl.gov" type="cite">
<meta content="text/html; charset=ISO-8859-1"
http-equiv="Content-Type">
<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>
_______________________________________________<br>
Mailing list: <a moz-do-not-send="true"
href="http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack"
target="_blank">http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack</a><br>
Post to : <a moz-do-not-send="true"
href="mailto:openstack@lists.openstack.org"
target="_blank">openstack@lists.openstack.org</a><br>
Unsubscribe : <a moz-do-not-send="true"
href="http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack"
target="_blank">http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack</a><br>
</div>
</div>
</blockquote>
</div>
<br>
</div>
</div>
</blockquote>
<br>
<br>
<fieldset class="mimeAttachmentHeader"></fieldset>
<br>
<pre wrap="">_______________________________________________
rhos-list mailing list
<a class="moz-txt-link-abbreviated" href="mailto:rhos-list@redhat.com">rhos-list@redhat.com</a>
<a class="moz-txt-link-freetext" href="https://www.redhat.com/mailman/listinfo/rhos-list">https://www.redhat.com/mailman/listinfo/rhos-list</a></pre>
</blockquote>
<br>
</body>
</html>