It could also be because of DNSsec. I have seen HTTP working, though
HTTPS failing.
When adding the Google nameservers before the default (127.0.0.53,
systemd-resolver) everything works as expected.
$ systemd-resolve --status
Global
DNS Servers: 8.8.8.8
DNSSEC NTA: 10.in-addr.arpa
16.172.in-addr.arpa
168.192.in-addr.arpa
17.172.in-addr.arpa
18.172.in-addr.arpa
19.172.in-addr.arpa
20.172.in-addr.arpa
21.172.in-addr.arpa
22.172.in-addr.arpa
23.172.in-addr.arpa
24.172.in-addr.arpa
25.172.in-addr.arpa
26.172.in-addr.arpa
27.172.in-addr.arpa
28.172.in-addr.arpa
29.172.in-addr.arpa
30.172.in-addr.arpa
31.172.in-addr.arpa
corp
d.f.ip6.arpa
home
internal
intranet
lan
local
private
test
Link 2 (enp0s3)
Current Scopes: DNS LLMNR/IPv4 LLMNR/IPv6
LLMNR setting: yes
MulticastDNS setting: no
DNSSEC setting: allow-downgrade
DNSSEC supported: yes
DNS Servers: 10.0.2.3
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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to network-manager in Ubuntu.
https://bugs.launchpad.net/bugs/1654918
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@:08:00.0
logical name: wlp8s0
version: 73
serial:
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:c240-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 STATEDBUS-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 1.4.2connected started full enabled enabled
enabled enabled enabled
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