Bug 1121720

Summary: Unable to set IPv6 DNS addresses
Product: [Fedora] Fedora Reporter: Bill C. Riemers <briemers>
Component: control-centerAssignee: Control Center Maintainer <control-center-maint>
Status: CLOSED EOL QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 20CC: choeger, control-center-maint, dcbw, fmuellner, huzaifas, mkasik, ofourdan, psimerda, quentin, rstrode, steve, thaller, tiagomatos
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Hardware: Unspecified   
OS: Unspecified   
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Fixed In Version: Doc Type: Bug Fix
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Last Closed: 2015-06-29 21:40:47 UTC Type: Bug
Regression: --- Mount Type: ---
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Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description Flags
Values I apply
none
Values I see next time I open the same dialog none

Description Bill C. Riemers 2014-07-21 17:26:31 UTC 
Description of problem:

NetworkManager happily allows one to enable IPv6 for an OpenVPN connection.  However, the actual values are neither used no correctly parsed.  In this case, I tried adding some IPv6 DNS addresses.  If IPv6 is completely broken like this, it shouldn't even be a configuration option.

NetworkManager-openvpn

Version-Release number of selected component (if applicable):

NetworkManager-openvpn-0.9.9.0-0.1.git20140128.fc20.x86_64
NetworkManager-openvpn-gnome-0.9.9.0-0.1.git20140128.fc20.x86_64
NetworkManager-vpnc-0.9.8.2-2.fc20.x86_64

How reproducible:

100%

Steps to Reproduce:
1. Edit an openvpn configuration.
2. Click on IPv6
3. Manually add IPv6 DNS addresses (In my test I tried ::1, fe80::beae:c5ff:fee8:b5e, and fe80::4a5b:39ff:fe25:fe)
4. Click apply
5. Close
6. Re-open

Actual results:

IPv6 Addresses are converted to bugus IPv4 addresses, which won't be added to /etc/resolv.conf when connecting (fortunately).

Expected results:

IPv6 addresses should remain IPv6 addresses and added to the /etc/resolv.conf files.


Additional info:
Comment 1 Thomas Haller 2014-07-21 18:38:01 UTC 
I cannot reproduce this. Could you explain more in detail at which point you see bogus IPv4 addresses?
Comment 2 Bill C. Riemers 2014-07-21 20:44:41 UTC 
Created attachment 919752 [details]
Values I apply
Comment 3 Bill C. Riemers 2014-07-21 20:45:22 UTC 
Created attachment 919753 [details]
Values I see next time I open the same dialog
Comment 4 Bill C. Riemers 2014-07-21 20:46:17 UTC 
I attached the screen shots.  Please let me know if you need me to specify how I navigate to these dialogs.
Comment 5 Thomas Haller 2014-07-21 21:03:27 UTC 
Ah. This is gnome-control-center UI, I can reproduce it easily.

AFAIS, nm-applet (and nm-connection-editor) is not affected.

I update the component of the UI.
Comment 6 Quentin Armitage 2014-11-28 16:46:51 UTC 
This problem still exists in F21-RC1.

It appears that the control-center is causing the correct DNS server IPv6 addresses to be written to the /etc/sysconfig/network-scripts/ifcfg-IFACE file. However when it displays the addresses, it displays them as IPv4 addresses. The addresses displayed are the first 4 octets of the IPv6 adddress, but displayed in decimal IPv4 notation. For example, if I enter an IPv6 DNS server address 2001:470:1234:5::17, the IPv4 address displayed is 32.1.4.112 (i.e. 0x20.0x01.0x04.0x70 in decimal).

The IPv6 address and Gateway are correctly displayed as IPv6 addresses.
Comment 7 Fedora End Of Life 2015-05-29 12:25:50 UTC 
This message is a reminder that Fedora 20 is nearing its end of life.
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Comment 8 Fedora End Of Life 2015-06-29 21:40:47 UTC 
Fedora 20 changed to end-of-life (EOL) status on 2015-06-23. Fedora 20 is
no longer maintained, which means that it will not receive any further
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