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[Thomas Schweikle <1306562@xxxxxxxxxxxxxxxxxx>]

** Changed in: network-manager (Ubuntu)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1306562

Title:
  network manager discards upstream DNS

Status in “network-manager” package in Ubuntu:
  Fix Released

Bug description:
  if an interface is not configured in /etc/network/interfaces network-manager takes this interface.
  Then dhclient is started, assigning an address and route. For DNS dnsmasq is configured to listen on localhost, then resolv.conf is configured to use the localy running dns. The upstream dns servers address is silently discarded, breaking dns resolution.

  Moving network-manager out of control (by adding the interface to
  /etc/network/interfaces) removes dnsmasq, but makes the whole thing
  work again, because the upstream dns is now entered into
  /etc/resolv.conf.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: network-manager 0.9.8.8-0ubuntu7
  ProcVersionSignature: Ubuntu 3.13.0-23.45-generic 3.13.8
  Uname: Linux 3.13.0-23-generic x86_64
  ApportVersion: 2.14.1-0ubuntu2
  Architecture: amd64
  Date: Fri Apr 11 13:45:01 2014
  InstallationDate: Installed on 2014-02-10 (59 days ago)
  InstallationMedia: Xubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016)
  IpRoute:
   default via 172.18.8.2 dev eth0 
   169.254.0.0/16 dev eth0  scope link  metric 1000 
   172.18.8.0/24 dev eth0  proto kernel  scope link  src 172.18.8.141
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
  NetworkManager.state:
   [main]
   NetworkingEnabled=true
   WirelessEnabled=true
   WWANEnabled=true
   WimaxEnabled=true
  ProcEnviron:
   LANGUAGE=de_DE
   TERM=xterm
   PATH=(custom, no user)
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  RfKill:
   
  SourcePackage: network-manager
  UpgradeStatus: Upgraded to trusty on 2014-02-18 (52 days ago)
  ftp_proxy: http://is-muc.bfs.de:8080/
  http_proxy: http://is-muc.bfs.de:8080/
  nmcli-con:
   NAME                      UUID                                   TYPE              TIMESTAMP    TIMESTAMP-REAL                     AUTOCONNECT   READONLY   DBUS-PATH                                 
   Kabelnetzwerkverbindung 1 c6be5d5a-c232-41e9-ae61-28f7974f30a9   802-3-ethernet    1397215392   Fr 11 Apr 2014 13:23:12 CEST       yes           no         /org/freedesktop/NetworkManager/Settings/0
  nmcli-dev:
   DEVICE     TYPE              STATE         DBUS-PATH                                  
   eth0       802-3-ethernet    unmanaged     /org/freedesktop/NetworkManager/Devices/0
  nmcli-nm:
   RUNNING         VERSION    STATE           NET-ENABLED   WIFI-HARDWARE   WIFI       WWAN-HARDWARE   WWAN      
   running         0.9.8.8    connected       enabled       enabled         enabled    enabled         disabled
  no_proxy: 127.0.0.1,

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