Для centos 6
cat /etc/sysctl.conf|grep ipv6
net.ipv6.conf.all.autoconf = 0
net.ipv6.conf.default.autoconf = 0
net.ipv6.conf.eth0.autoconf = 0
Для centos 7
/etc/sysconfig/network-scripts/ifcfg-ens18
IPV6_AUTOCONF=»no»
Для centos 6
cat /etc/sysctl.conf|grep ipv6
net.ipv6.conf.all.autoconf = 0
net.ipv6.conf.default.autoconf = 0
net.ipv6.conf.eth0.autoconf = 0
Для centos 7
/etc/sysconfig/network-scripts/ifcfg-ens18
IPV6_AUTOCONF=»no»