CentOS 7 disable IPv6 SLAAC

To disable slaac on a CentOS 7 server /etc/sysconfig/network must be edited. It must contain these two lines.

NETWORKING_IPV6=yes

IPV6_AUTOCONF=no

/etc/sysconfig/network-scripts/ifcfg-ethx must also be edited. It must contain this line.

IPV6_AUTOCONF=no

‘/sbin/service network restart’ to restart your server’s networking.