[Openstack-operators] [neutron] Instances on private net can't resolve, no DNS

Christopher Hull chrishull42 at gmail.com
Thu Mar 31 04:06:29 UTC 2016


Hello all;

Well, more pulling of teeth it seems before I actually get to USE my
self-installed OpenStack Liberty.  :-)

All networks seem to work just fine.  Can ping everything from private
network.  You would think DNS would work, but it doesn't    This I think
has something to do with dnsmasq.

I've read a few web pages.   Set dnsmasq_dns_servers in dhcp_agent.ini to
8.8.8.8,8.8.4.4 (Google DNS).   Also set the private subnet to those.
Nada.

>From within an instance on the Private network, telnet 8.8.8.8 53 "no route
to host".... but it PINGS!   Hmmm.

So help me unravel more of this genome known as OpenStack.  Why if private
instances can reach the internet, doens't DNS work????

Just patched Neutron to fix the previous bug.  I think I have the latest.

Thanks
-Chris


- Christopher T. Hull
I am presently seeking a new career opportunity  Please see career page
http://chrishull.com/career
333 Orchard Ave, Sunnyvale CA. 94085
(415) 385 4865
chrishull42 at gmail.com
http://chrishull.com
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