centos7默认的有线连接名是“Wired connection 1”，配置文件是：“ifcfg-Wired_connection_1”。

详细配置信息如下：

HWADDR=XX:XX:XX:XX:XX:XX

TYPE=Ethernet

BOOTPROTO=none

IPADDR0=XXX.XXX.XXX.113

PREFIX0=24

GATEWAY0=XXX.XXX.XX.254

IPADDR1=XXX.XXX.XX.133

PREFIX1=24

GATEWAY1=XXX.XXX.XX.254

DNS1=8.8.8.8

DNS2=8.8.4.4

DEFROUTE=yes

IPV4_FAILURE_FATAL=no

IPV6INIT=no

NAME="Wired connection 1"

UUID=xxxxxxxx-xxxx-xxxx-xxxx-b3ca5aadd603

ONBOOT=yes