[Expired for network-manager (Ubuntu) because there has been no activity
for 60 days.]
** Changed in: network-manager (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1608646
Title:
ip4 static routes added in NetworkManager UI fail and prevent
connection
Status in network-manager package in Ubuntu:
Expired
Bug description:
lsb_release -rd:
Description: Ubuntu 16.04.1 LTS
Release: 16.04
Network Settings package version in Software Center:
15.04.0+16.04.20160705-0ubuntu1
Prior to upgrading to 16.04 LTS I was running 14.04 LTS. Using the
"Edit Connections..." menu option I had created a custom Ethernet
connection that had some custom routes added. These routes are
required for me to connect to certain resources on a local network
while using Wifi for basic internet. (Physical network locked down, no
Internet access available)
I've attached a screenshot showing the routes. These routes were
working great in 14.04 (And prior releases of Ubuntu).
However, upon upgrading to 16.04, I noticed this connection would no
longer "connect". It would just silently fail. I noticed that if I
deleted my custom routes, it would work, but I need those in order to
connect to my required network services.
When I try to connect with the routes in place, the connection
silently fails in the NetworkManager UI (I get no error message in the
UI) but I took a look at syslog and found these:
Aug 1 08:15:19 jeremy-ThinkPad-X1-Carbon-4th NetworkManager[2868]: <error>
[1470057319.7268] platform-linux: do-add-ip4-route[2: 10.104.0.0/16 0]: failure
101 (Network is unreachable)
Aug 1 08:15:19 jeremy-ThinkPad-X1-Carbon-4th NetworkManager[2868]: <error>
[1470057319.7271] platform-linux: do-add-ip4-route[2: 10.105.0.0/16 0]: failure
101 (Network is unreachable)
Aug 1 08:15:19 jeremy-ThinkPad-X1-Carbon-4th NetworkManager[2868]: <error>
[1470057319.7272] platform-linux: do-add-ip4-route[2: 10.51.35.0/24 0]: failure
101 (Network is unreachable)
Aug 1 08:15:19 jeremy-ThinkPad-X1-Carbon-4th NetworkManager[2868]: <error>
[1470057319.7273] platform-linux: do-add-ip4-route[2: 10.140.76.0/24 0]:
failure 101 (Network is unreachable)
Aug 1 08:15:19 jeremy-ThinkPad-X1-Carbon-4th NetworkManager[2868]: <info>
[1470057319.7281] device (enp0s31f6): state change: ip-config -> failed (reason
'config-failed') [70 120 4]
Aug 1 08:15:19 jeremy-ThinkPad-X1-Carbon-4th NetworkManager[2868]: <warn>
[1470057319.7289] device (enp0s31f6): Activation: failed for connection
'Windstream'
Aug 1 08:15:19 jeremy-ThinkPad-X1-Carbon-4th NetworkManager[2868]: <info>
[1470057319.7309] device (enp0s31f6): state change: failed -> disconnected
(reason 'none') [120 30 0]
Now, if I remove the custom routes from the UI, then I can connect. I
them manually add the routes using the "ip" command:
sudo /sbin/ip route add 10.104.0.0/16 dev enp0s31f6
sudo /sbin/ip route add 10.105.0.0/16 dev enp0s31f6
sudo /sbin/ip route add 10.51.35.0/24 dev enp0s31f6
sudo /sbin/ip route add 10.140.76.0/24 dev enp0s31f6
This is able to add the routes successfully. So there has to be some
problem in the new implementation of NetworkManager in 16.04, because
these routes worked in 14.04 and they still work in 16.04 if I just
manually add them from the command line.
For now I can work around this issue by manually adding these routes
from the command line every time I connect.
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