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NetworkManager disable IPv6

asked 2015-01-04 10:58:52 -0600

firefexx gravatar image

When I edit the settings for a wifi network in NetworkManager, switching off IPv6 seems to have no effect.

In the settings, there is this blue toggle button, I switched off for IPv6. Before connecting to the network, ifconfig shows neither an IPv4 nor an IPv6 addess. Fine so far...

Now I connect to the network, and ifconfig shows an IPv4 as well as an IPv6 (link local) address. When observing the traffic via Wireshark, I see outgoing ICMPv6 packets from my machine.

My question is now: Why?

Is this a bug oder didn't I understand the toggle button's functionality correctly?

Fedora 21, NetworkManager

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answered 2015-01-05 03:59:15 -0600

cobra gravatar image

It's a long-standing issue on Fedora, there is a bug report for it here:

If you want to force IPv6 to off for your system, you can probably still blacklist the module:

Or by preventing the module loading:

If you do this successfully, don't forget to turn off the ipv6tables module if that's running.

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thanks. Too bad that this bug isn't fixed yet.

firefexx gravatar imagefirefexx ( 2015-01-10 04:23:24 -0600 )edit

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Asked: 2015-01-04 10:58:52 -0600

Seen: 5,315 times

Last updated: Jan 05 '15