1.编辑网卡配置文件vi /etc/sysconfig/network-scripts/ifcfg-eth16777736
TYPE="Ethernet"
BOOTPROTO="static"
DEFROUTE="yes"
PEERDNS="yes"
PEERROUTES="yes"
IPADDR=192.168.1.20
NETMASK=255.255.255.0
GATEWAY=192.168.1.1
IPV4_FAILURE_FATAL="no"
IPV6INIT="yes"
IPV6_AUTOCONF="yes"
IPV6_DEFROUTE="yes"
IPV6_PEERDNS="yes"
IPV6_PEERROUTES="yes"
IPV6_FAILURE_FATAL="no"
NAME="eno16777736"
ONBOOT="yes"
2.清空文件内容
> /etc/udev/rules.d/70-persistent-net.rules
3.重启网卡
/etc/init.d/network stop
/etc/init.d/network start