Disable IPv6 Fix slow internet connection in Ubuntu 12.04 Precise Pangolin/Linux Mint 13

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

Here are steps to disable IPv6, here you should edit sysctl.conf file.

To open sysctl.conf file open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:

sudo gedit /etc/sysctl.conf

Add these following lines at the end of the file.

# IPv6
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1

Save sysctl.conf file and close.

Restart sysctrl settings by entering following command:-

sudo sysctl -p