How to Disable IPv6 If your internet is working Slow in Ubuntu 12.04 Precise Pangolin/Linux Mint 13/Any Ubuntu or Mint Version


Disable IPv6, So we have to edit the sysctl.conf file.

To do this open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:
  • sudo gedit /etc/sysctl.conf
Now add these lines at the end of file:
# IPv6
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1
Now Save sysctl.conf file and close.

ubuntu ipv6 disable

Enter following command to restart sysctrl settings:
  • sudo sysctl -p
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   author:noobslab

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