CentOS7关闭IPv6
ifconfig -a | grep inet6 inet6 fe80::5054:ff:fe6d:119b prefixlen 64 scopeid 0x20<link>
inet6 ::1 prefixlen 128 scopeid 0x10<host>通过内核模块关闭IPv6(需要重启)
GRUB_TIMEOUT=5
GRUB_DEFAULT=saved
GRUB_DISABLE_SUBMENU=true
GRUB_TERMINAL_OUTPUT="console"
GRUB_CMDLINE_LINUX="ipv6.disable=1 crashkernel=auto rhgb quiet"
GRUB_DISABLE_RECOVERY="true"grub2-mkconfig -o /boot/grub2/grub.cfg使用sysctl设置关闭IPv6(无需重启)
参考
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