Please close bug, I figured out that bind9 had been installed on the
client with the issue. the bind was just running a default
configuration. Once it is removed, resolv.conf has the normal entries
in it.
** Changed in: network-manager (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/963943
Title:
nm overrides LAN dns settings: host lookups on LAN fail.
Status in “network-manager” package in Ubuntu:
Invalid
Bug description:
There is a local network, with two DNS servers, and a DHCP server.
They are both correctly configured and entirely functional, with
correct zoning (bind9) for split-horizon DNS. This has been a working
configuration for years. DHCP is configured so that clients use these
internal DNS servers.
There is no configuration in /etc/network/interfaces, so this is
entirely run by network-manager. When the wireless configuration
comes up, rather than pointing at the LAN dns servers, it points at
127.0.0.1. I can identify no process providing the caching servics,
ps -ax | grep ns, name, bind, all come up empty. Whatever is doing
name resolution, it is not using the LAN's DNS servers, because none
of the internal zone entries are available. While public name
resolution works, ssh to other systems on the LAN fail because the
internal zone host names are never found.
If I manually place the local dns servers in /etc/resolv.conf,
everything works fine for a few minutes, when something overwrites it
back to 127.0.0.1
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: network-manager 0.9.3.995+git201203152001.04b2a74-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-18.29-generic 3.2.9
Uname: Linux 3.2.0-18-generic x86_64
ApportVersion: 1.95-0ubuntu1
Architecture: amd64
Date: Sat Mar 24 09:55:26 2012
IfupdownConfig:
auto lo
iface lo inet loopback
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301)
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true
ProcEnviron:
LANGUAGE=en_CA:en
TERM=xterm
PATH=(custom, user)
LANG=en_CA.UTF-8
SHELL=/bin/bash
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
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