Public bug reported:
To replicate:
Connect to a wifi network (wired untested). The problem occurs most
consistently for DHCP configured connections but is also a significant
problem for manually configured connection.
Expected results:
IPv4 and IPv6 should both auto-configure correctly and be usable: as
they were in previous versions of Ubuntu, and still are on other devices
and operating systems.
Actual results:
IPv6 is automatically configured correctly and I have no difficulty
using IPv6 services. Most of the time no IPv4 address is configured.
Manually configuring an IPv4 address is possible but usually does not
result in a working IPv4 connection (pinging the gateway gives
"destination host unreachable")
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: network-manager 1.10.6-2ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-22.24-generic 4.15.17
Uname: Linux 4.15.0-22-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.1
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Thu Jun 7 20:05:56 2018
EcryptfsInUse: Yes
IfupdownConfig:
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
InstallationDate: Installed on 2018-05-11 (26 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
IpRoute:
default via 192.168.178.1 dev wlp2s0 proto static metric 600
169.254.0.0/16 dev wlp2s0 scope link metric 1000
192.168.178.0/24 dev wlp2s0 proto kernel scope link src 192.168.178.28 metric
600
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=false
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-dev:
DEVICE TYPE STATE DBUS-PATH
CONNECTION CON-UUID
CON-PATH
wlp2s0 wifi connected
/org/freedesktop/NetworkManager/Devices/3 2degrees Broadband - D377
10b8508a-4b0a-4ec4-9adb-e30685236fb7
/org/freedesktop/NetworkManager/ActiveConnection/6
B8:C1:11:CA:B7:3A bt disconnected
/org/freedesktop/NetworkManager/Devices/4 -- --
--
enp1s0 ethernet unavailable
/org/freedesktop/NetworkManager/Devices/2 -- --
--
lo loopback unmanaged
/org/freedesktop/NetworkManager/Devices/1 -- --
--
nmcli-nm:
RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW WIFI
WWAN-HW WWAN
running 1.10.6 connected started full enabled enabled
enabled enabled disabled
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
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https://bugs.launchpad.net/bugs/1775540
Title:
Intermittent ipv4 connectivity on bionic beaver
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