vim /etc/sysconfig/network-scripts/ifcfg-em1
TYPE=Ethernet
BOOTPROTO=static
#BROADCAST=192.168.11.255
IPADDR=192.168.11.199
HWADDR=18:66:da:fb:6b:00
NETMASK=255.255.255.0
GATEWAY=192.168.11.1
DEFROUTE=yes
IPV4_FAILURE_FATAL=yes
IPV6INIT=no
IPV6_AUTOCONF=no
IPV6_DEFROUTE=no
IPV6_FAILURE_FATAL=no
NAME=em1
UUID=0eaa9a86-f99f-4b5a-8a97-644195b19560
DEVICE=em1
ONBOOT=yes
PEERDNS=yes
PEERROUTES=yes
IPV6_PEERDNS=no
IPV6_PEERROUTES=no
DNS1=61.177.7.1
DNS2=221.228.255.1


service network restart