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My NetworkManager keeps on reconnecting no matter whether I use wired or wireless network. This annoys me a few days.
I find that `sudo systemctl restart NetworkManager` could solve this problem temporarily. After reboot the problem arises again.
My system is up to date. And I am using Gnome 3.
Any idea why does it happen and how could I get rid of it?
Last edited by vanitas (2015-02-04 04:01:10)
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Do you have other network controlling services enabled? dhcpcd? netctl? wicd? check systemctl. Look into logs for journalctl?
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@frank604, I didn't enabled dhcpcd, netctl, or wicd.
I ran `journalctl -u NetworkManager.service` and noticed these lines:
Feb 04 10:36:52 xbull NetworkManager[4339]: <warn> the dhcpcd backend does not support IPv6.
Feb 04 10:36:52 xbull NetworkManager[4339]: <info> (enp4s0): device state change: activated -> failed (reason 'dhcp-start-failed') [100 120 15]
After some googling, I find this post: dhcpcd not work with NetworkManager 1.0.
Someone metions that NetworkManager 1.0 embed an internal DHCP client, and the DHCP client does not support IPv6 yet.
I edit the connection and disable IPv6, then the problem disappears.
Thanks for your help!
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