sudo vi /etc/sysconfig/network-scripts/ifcfg-eth0
UUID="deddc175-4a7c-4d83-b934-6c38f5042e05"
NM_CONTROLLED="yes"
BOOTPROTO=none
DEVICE="eth0"
ONBOOT="no"
HWADDR=00:1C:25:94:F3:CF
TYPE=Ethernet
IPADDR0=10.10.126.127
PREFIX0=24
GATEWAY0=10.10.126.1
DNS1=202.107.117.11
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=no
NAME="系统 eth0"
将ONBOOT的值修改为“yes"
然后重启会发现OK了。