Disable IPv6 (bug ?)
Hello everybody,
On Ubuntu 14.04, I have a wireless connection issue and I think it may cause by IPv6 which is not completely disabled.
I don't have this issue on Ubuntu 12.04 with the same configuration.
In my explication there is no cable connected on eth0.
On Ubuntu 14.04 :
===============
I add this options in /etc/systcl.conf :
net.ipv6.
net.ipv6.
net.ipv6.
IPv6 is enabled on lo interface because this is a prerequisite for X11 Forwarding on ssh server.
I reboot and I check this options :
$ sysctl net.ipv6.
net.ipv6.
$ sysctl net.ipv6.
net.ipv6.
$ sysctl net.ipv6.
net.ipv6.
I check for each physical interface :
$ sysctl net.ipv6.
net.ipv6.
$ sysctl net.ipv6.
net.ipv6.
I check with "ip" command :
$ ip -6 addr
1: lo: <LOOPBACK,
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
So, IPv6 is disabled for eth0 and wlan0 interfaces however I have this kernel log :
$ grep -i "IPv6.*link becomes ready" /var/log/syslog
Apr 24 08:21:37 my-computer kernel: [ 59.572471] IPv6: ADDRCONF(
I have an issue on a specific wireless network => all my computers using Ubuntu 14.04 with the above configuration are regularly disconnected.
To solve this issue, on NetworkManager, for this connection I have to :
- Force IPv4 : Enable IPv4 settings > Require IPv4 addressing for this connection to complete
- Disable IPv6 : Enable IPv6 settings > Method : Ignore
On Ubuntu 12.04 :
==============
I have exactly the same configuration but I don't have this kernel log "IPv6: ADDRCONF(
Question :
========
On Ubuntu 14.04, I have disabled IPv6 on wlan0 interface, but I have this kernel log "IPv6: ADDRCONF(
If you disable IPv6 on your wlan0 (or eth0) interface, do you have this kernel log too ?
Do you think that is a bug ?
Information :
==========
networkmanager 0.9.8.8-0ubuntu7
linux-image-
Thanks for your help :)
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