[Bug 1654918] Re: No Internet access with default of Automatic (DHCP)

[David Oser]

Regret to inform that an upgrade from 16.04 is also displaying the bug.
Reduced to using Google DNS on ipv4 (8.8.8.8) in order to work around it
David

On 14 Apr 2017 14:11, "David Oser" <1654918 at bugs.launchpad.net> wrote:

I'm also experiencing this exact bug.
Upgrading from 16.10 to 17.04 did not display the problem, but fresh
install of Ubuntu 17.04 does

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Title:
  No Internet access with default of  Automatic (DHCP)

Status in Linux:
  New
Status in NetworkManager:
  New
Status in network-manager package in Ubuntu:
  Confirmed

Bug description:
  Fresh 17.04 install, wireless router connects without any issue but there
is no internet connection/access.
  This continues thru disconnecting, reconnecting, rebooting ect, Nothing..

  If I edit the connection > IPv4 Settings to Automatic (DCHP) addresses
only & manually add Google DNS nameservers: then internet is enabled.
screen attached
  Note this also affects ethernet, not just wireless
  Hardware is:
  description: Wireless interface
         product: Wireless 7260
         vendor: Intel Corporation
         physical id: 0
         bus info: pci at 0000:08:00.0
         logical name: wlp8s0
         version: 73
         serial: xxxxxxxx
         width: 64 bits
         clock: 33MHz
         capabilities: pm msi pciexpress bus_master cap_list ethernet
physical wireless
         configuration: broadcast=yes driver=iwlwifi
driverversion=4.9.0-11-generic firmware=17.352738.0 ip=192.168.1.4
latency=0 link=ye s multicast=yes wireless=IEEE 802.11
         resources: irq:32 memory:c2400000-c2401fff

  To note: this hardware works perfectly in 14.04 > 16.04
  Add. note; issue doesn't arise with 4.11.x kernel

  ProblemType: Bug
  DistroRelease: Ubuntu 17.04
  Package: network-manager 1.4.2-2ubuntu4
  ProcVersionSignature: Ubuntu 4.9.0-11.12-generic 4.9.0
  Uname: Linux 4.9.0-11-generic x86_64
  ApportVersion: 2.20.4-0ubuntu1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Sun Jan  8 22:08:26 2017
  IfupdownConfig:
   # interfaces(5) file used by ifup(8) and ifdown(8)
   auto lo
   iface lo inet loopback
  InstallationDate: Installed on 2017-01-09 (0 days ago)
  InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Alpha amd64 (20170108)
  IpRoute:
   default via 192.168.1.1 dev wlp8s0  proto static  metric 600
   169.254.0.0/16 dev wlp8s0  scope link  metric 1000
   192.168.1.0/24 dev wlp8s0  proto kernel  scope link  src 192.168.1.4
metric 600
  NetworkManager.conf:
   [main]
   plugins=ifupdown,keyfile

   [ifupdown]
   managed=false
  NetworkManager.state:
   [main]
   NetworkingEnabled=true
   WirelessEnabled=true
   WWANEnabled=true
  SourcePackage: network-manager
  UpgradeStatus: No upgrade log present (probably fresh install)
  nmcli-dev:
   DEVICE  TYPE      STATE        DBUS-PATH
  CONNECTION  CON-UUID                              CON-PATH
   wlp8s0  wifi      connected    /org/freedesktop/NetworkManager/Devices/2
06F21A      fb815a75-4091-455e-b73d-2c1f2d97220f  /org/freedesktop/
NetworkManager/ActiveConnection/0
   enp7s0  ethernet  unavailable  /org/freedesktop/NetworkManager/Devices/1
--          --                                    --
   lo      loopback  unmanaged    /org/freedesktop/NetworkManager/Devices/0
--          --                                    --
  nmcli-nm:
   RUNNING  VERSION  STATE      STARTUP  CONNECTIVITY  NETWORKING  WIFI-HW
WIFI     WWAN-HW  WWAN
   running  1.4.2    connected  started  full          enabled     enabled
enabled  enabled  enabled

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Title:
  No Internet access with default of  Automatic (DHCP)

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