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[Bug 915760] New: NetworkManager fails configuring DNS servers when switching network
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Mon, 02 Feb 2015 11:00:17 +0000
  • Message-id: <bug-915760-21960@http.bugzilla.opensuse.org/>
http://bugzilla.opensuse.org/show_bug.cgi?id=915760

Bug ID: 915760
Summary: NetworkManager fails configuring DNS servers when
switching network
Classification: openSUSE
Product: openSUSE Distribution
Version: 13.2
Hardware: x86-64
OS: openSUSE 13.2
Status: NEW
Severity: Major
Priority: P5 - None
Component: Network
Assignee: bnc-team-screening@xxxxxxxxxxxxxxxxxxxxxx
Reporter: tsuroerusu@xxxxxxxxx
QA Contact: qa-bugs@xxxxxxx
Found By: ---
Blocker: ---

User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:35.0) Gecko/20100101
Firefox/35.0
Build Identifier:

I run IT at a fairly large school (By Danish standards), and we lend out
laptops to students. For this purpose, we have deployed openSUSE 13.2,
generally with great success. These are generally ThinkPad R60 and R61
machines, they run openSUSE 13.2 with KDE.

However, we are experiencing a problem. When switching between networks, for
example from wireless to wireless or wireless to statically configured wired,
NetworkManager does not properly alter /etc/resolv.conf with the new DNS
servers.

Recently, a student took home their borrowed laptop, and connected it to their
private wireless network. But when they came back to school, NetworkManager had
left their home network's DNS servers in resolv.conf, and then no websites
would obviously show up.

I have also experienced this problem on my personal laptop, when I try to
switch from wireless to wired at home, where I have a statically configured IP
in NetworkManager on my wired network. Then more often than not, NetworkManager
does not configure ANY DNS servers, despite them being specified in its
configuration.

In all cases, I am referring to the NetworkManager applet in KDE.

This is a huge problem for us. I would really really appreciate, if this issue
could be looked into as soon as possible.

Reproducible: Always

Steps to Reproduce:
1. Configure a wireless connection in the NM applet.
2. Connect to the wireless network, and surf the web.
3. Connect to a different wireless network, and switch between them, at some
point the DNS servers will be mis-configured.

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