CentOS 7 网络配置示例

网络配置文件路径：

/etc/sysconfig/network-scripts

• /etc/sysconfig/network-scripts/ifcfg-lo

DEVICE=lo
IPADDR=127.0.0.1
NETMASK=255.0.0.0
NETWORK=127.0.0.0
# If you're having problems with gated making 127.0.0.0/8 a martian,
# you can change this to something else (255.255.255.255, for example)
BROADCAST=127.255.255.255
ONBOOT=yes
NAME=loopback

• /etc/sysconfig/network-scripts/ifcfg-ens33

TYPE="Ethernet"
PROXY_METHOD="none"
BROWSER_ONLY="no"
BOOTPROTO="dhcp"  #如要配置静态IP，将此选项值改为“static”
DEFROUTE="yes"
IPV4_FAILURE_FATAL="no"
IPV6INIT="yes"
IPV6_AUTOCONF="yes"
IPV6_DEFROUTE="yes"
IPV6_FAILURE_FATAL="no"
IPV6_ADDR_GEN_MODE="stable-privacy"
NAME="ens33"
UUID="910b47d9-2114-4ff2-8470-e6958e319f56"
DEVICE="ens33"
ONBOOT="yes"  #开机启动
#在文件后面增加以下内容配置静态IP：
IPADDR=192.168.11.11
NETMASK=255.255.255.0
GATEWAY=192.168.11.1
DNS1=211.67.191.14