[root@shl0125 ~]# cat /etc/redhat-release
CentOS Linux release 7.3.1611 (Core)
[root@shl0125 ~]# cat /etc/sysconfig/network-scripts/ifcfg-enp0s25
TYPE=Ethernet
BOOTPROTO=static
IPADDR=192.168.11.201
NETMASK=255.255.252.0
GATEWAY=192.168.8.1
DNS1=192.168.10.6
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=enp0s25
UUID=1f521b31-1b8d-4288-8e3a-574ca1b39673
DEVICE=enp0s25
ONBOOT=yes