How To Disable IPv6 In Fedora 21

Today we’ll learn how to disable IPv6 on Fedora 21. The steps will work on Fedora 19 – 22. Currently our network configuration these days does not require IPv6 support. Internet Protocol version 6 (IPv6) is the latest version of the Internet Protocol (IP), the communications protocol that provides an identification and location system for computers on networks and routes traffic across the... read more

How To Disable ipv6 Fedora 17/18

IPV6 is coming, but it is not here yet, so say you want to disable it on your Fedora 18 system. Pretty simple to do. First let’s edit the /etc/sysctl.conf file. $ sudo vi /etc/sysctl.conf Add and save the changes net.ipv6.conf.all.disable_ipv6=1 net.ipv6.conf.default.disable_ipv6=1 To eliminate the default ipv6 addresses still appear on the interfaces open a terminal and type Type ifconfig to get... read more

Disable ipv6 on CentOS 6

With several late CentOS 6.2 systems being built on the network I have been running into network disconnect and performance issues being caused by IPV6. Since I am currently not using it on my network I decided to disable it. Here is what I found from several different resources on the Internet. We can modify /etc/sysctl.conf: net.ipv6.conf.all.disable_ipv6 = 1 net.ipv6.conf.default.disable_ipv6 = 1... read more

Disable IPV6 on Ubuntu 10.04

Ran into an issue on Ubuntu the other day in which network functions were having issues. Through a little PD found that IPV6 was the culprit. Here is a tip on how to disable IPV6 on Ubuntu 10.04. To check if IPv6 is disabled, run the following command: cat /proc/sys/net/ipv6/conf/all/disable_ipv6 0 means it’s enabled and 1 – disabled. To disable IPv6, you have to add the following lines to... read more