Red Hat Bugzilla – Bug 569192
Good IPv4 eth0 connection marked invalid even when it is only IPv6 DHCP that failed
Last modified: 2010-03-01 21:52:16 EST
Created attachment 396886 [details]
/var/log/messages - IP info obscured
Description of problem:
NetworkManager has default set up of configuring both IPv4 and IPv6 connections on eth0. This works well.
Today the DHCP for IPv6 is not working with my ISP. NetworkManager then disables the connection so no Internet connectivity at all.
/var/log/messages (attached) shows it is just the IPv6 negotiation that fails and the IPv4 is fine.
This can be worked around by going to NetworkManager Edit Connections and changing IPv6 Settings method to 'Ignore'. This then allows the connection to be established with the Internet as IPv4 only.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Click on NetworkManager icon to connect
NetworkManager icon changes to show it is trying to connect then cross appears to show connection failed.
Connection should be made, but only using IPv4
I believe it's a bug that NM will try IPv6 by default; we should fix that. For now it should only be on when you turn it on from the connection editor or your system configuration files (/etc/sysconfig/network-scripts/ifcfg-*) set it on.
With that in mind, duping to bug 565926.
*** This bug has been marked as a duplicate of bug 565926 ***