Centos7關閉ipv6
[root@localhost ~]# ifconfig
ens160: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.111.123 netmask 255.255.255.0 broadcast 192.168.111.255
inet6 fe80::20c:29ff:fe11:b17f prefixlen 64 scopeid 0x20<link>
ether 00:0c:29:11:b1:7f txqueuelen 1000 (Ethernet)
RX packets 1130 bytes 102085 (99.6 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 490 bytes 79749 (77.8 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
inet6 fe80::20c:29ff:fe11:b17f ===> 表示ipv6開啓了
關閉ipv6:
1. 修改網卡配置、關閉ipv6的初始化:
vim /etc/sysconfig/network-scripts/ifcfg-ens160
IPV6INIT=no
2. 修改服務器的網絡配置、關閉IPV6:
vim /etc/sysconfig/network
NETWORKING=yes
NETWORKING_IPV6=no
3.修改內核參數、關閉ipv6:
vi /etc/sysctl.conf
net.ipv6.conf.all.disable_ipv6=1
4.關閉ipv6防火牆
systemctl disable ip6tables.service
生效配置:
sysctl -p
service network restart
ifconfig再次查看已經沒有ipv6地址顯示了