CentOS / RHEL 7 : How to disable IPv6

Post describes procedure to disable IPv6 on CentOS/RHEL 7. There are 2 ways to do this : 1. Disable IPv6 in kernel module (requires reboot) 2. Disable IPv6 using sysctl settings (no reboot required) To verify if IPv6 is enabled or not, execute : # ifconfig -a | grep inet6 inet6 fe80::211:aff:fe6a:9de4 prefixlen 64 scopeid … Continue reading CentOS / RHEL 7 : How to disable IPv6