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Re: IPV6 stuck on, F11



On 07/21/2009 12:29 PM, Bruno Wolff III wrote:
On Tue, Jul 21, 2009 at 10:28:46 +0200,
   Bill Murray<william john murray gmail com>  wrote:
   Ideas anyone please?
Are you using x86_64 with just the i586 version of nss-mdns installed?
If so install the x64_64 version and that will likely fix your problem.

I had the IPV6 on installs for FC10, FC11 and here is what I did to fix the problem.


1. Q: Networking (or DNS) seems really slow and fails often (Updated 2 January 2009) A: If Fedora 10's networking seems slow or you get frequent network connection failures (when other Fedoras or other OSes were working just fine on your machine), then you're probably hitting this bug.

Here's how you can work around it:

   1. Open a Terminal.
   2. Become root:

      su -
3. Make sure that the "dnsmasq" program is installed (it usually is, by default, in Fedora 10):

      rpm -q dnsmasq

If that says "package dnsmasq is not installed", then you need to install dnsmasq, by running the following command:

      yum install dnsmasq
4. Now, you have to find out which network interface your machine is using:

      route -n

      You'll see some output that looks like this:

Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.1.0 0.0.0.0 255.255.255.0 U 1 0 0 eth0 0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0 0 eth0

The eth0 there (the furthest bottom-right text in the output) is the name of the network interface I'm using. Yours might be eth1 or something totally different. Just remember it for the next step. 5. Now create a file called /etc/dhclient-<your network interface>.conf. For example, if your network interface is eth0, the file would be called /etc/dhclient-eth0.conf.

You can create the file with this command (assuming your network interface is eth0):

      nano /etc/dhclient-eth0.conf

      Then make this the only line in the file:

      prepend domain-name-servers 127.0.0.1;

      And then save the file and close it (Ctrl-X then Y).

If you have both a wireless and a wired network connection, you will have to do this step once for each of them.
   6. Now start dnsmasq:

      service dnsmasq start

      And make sure that it will start every time your computer starts:

      chkconfig dnsmasq on
   7. Now restart your network connection:

      service NetworkManager restart

And now things should be as fast as normal again. You might have to restart the programs that you're running for them to pick up the changes that NetworkManager made when it restarted.



2.  * IPv6
You might notice that your browsing through Firefox is a little slow on Fedora 10. This is because Firefox 3 has enabled by default IPv6 which causes Firefox to first resolve an IPv6 address and after the connection fails it switches to IPv4. To change this setting type:

about:config


and in Filter box type:

network.dns.disableIPv6


Right click on it, select Toggle and change its value to true. Restart Firefox and you are ready!





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