虚拟机centos7增加多网段配置

1.修改配置文件
 vi  /etc/sysconfig/network-scripts/ifcfg-ens33 
# ---内容如下
TYPE="Ethernet"
BOOTPROTO="static"
DEFROUTE="yes"
PEERDNS="yes"
PEERROUTES="yes"
IPV4_FAILURE_FATAL="no"
IPV6INIT="yes"
IPV6_AUTOCONF="yes"
IPV6_DEFROUTE="yes"
IPV6_PEERDNS="yes"
IPV6_PEERROUTES="yes"
IPV6_FAILURE_FATAL="no"
IPV6_ADDR_GEN_MODE="stable-privacy"
NAME="ens33"
UUID="0f0810af-767d-4880-8e46-919f849213d6"
DEVICE="ens33"
ONBOOT="yes"
IPADDR0="192.1.10.10"
NETMASK0="255.255.255.0"
IPADDR1="192.2.20.20"
NETMASK1="255.255.255.0"
 

2、重启网管服务
[kang@localhost ~]$ sudo systemctl restart network
[kang@localhost ~]$ sudo systemctl restart NetworkManager

3、查看
[kang@localhost ~]$ ip add