# vim /etc/sysconfig/network-scripts/ifcfg-eth0 

BOOTPROTO="static" #dhcp改为static  
ONBOOT="yes" #开机启用本配置 
IPADDR=192.168.7.106 #静态IP 
GATEWAY=192.168.7.1 #默认网关 
NETMASK=255.255.255.0 #子网掩码 
DNS1=192.168.7.1 #DNS 配置 

# cat /etc/sysconfig/network-scripts/ifcfg-eth0 
HWADDR="00:15:5D:07:F1:02" 
TYPE="Ethernet" 
BOOTPROTO="static" #dhcp改为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" 
NAME="eth0" 
UUID="bb3a302d-dc46-461a-881e-d46cafd0eb71" 
ONBOOT="yes" #开机启用本配置 
IPADDR=192.168.7.106 #静态IP 
GATEWAY=192.168.7.1 #默认网关 
NETMASK=255.255.255.0 #子网掩码 
DNS1=192.168.7.1 #DNS 配置 

# service network restart 

# ip addr 
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN  
  link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 
  inet 127.0.0.1/8 scope host lo 
    valid_lft forever preferred_lft forever 
  inet6 ::1/128 scope host  
    valid_lft forever preferred_lft forever 
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000 
  link/ether 00:15:5d:07:f1:02 brd ff:ff:ff:ff:ff:ff 
  inet 192.168.7.106/24 brd 192.168.7.255 scope global eth0 
    valid_lft forever preferred_lft forever 
  inet6 fe80::215:5dff:fe07:f102/64 scope link  
    valid_lft forever preferred_lft forever