How To Disable IPv6 on CentOS 6 / RHEL 6

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Disable IPv6 on CentOS 6
Disable IPv6 on CentOS 6

This post guides you on how to disable IPv6 on CentOS 6 / RHEL 6.

Edit the /etc/sysctl.conf file.

vi /etc/sysctl.conf

Put the following entry to disable IPv6.

net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1

Execute the following command to reflect the changes.

sysctl -p

That’s All.

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