来源：http://www.weiruoyu.cn/?p=335 


  1. [root@localhost ~]# vi /etc/sysconfig/network-scripts/wtrouter.sh 
  2. route del -net 121.101.xxx.xxx netmask 255.255.255.192 dev eth1 
  3. route del -net 169.254.0.0 netmask 255.255.0.0 dev eth1 
如果需要添加网卡路由，下面添加上
  1. route add -net 172.18.2.0 netmask 255.255.255.0 dev eth0  
  2. route add -net 172.18.1.0 netmask 255.255.255.0 dev eth0 
记得添加到开机启动里面
  1. vi /etc/rc.d/rc.local 
  1. /etc/sysconfig/network-scripts/wtrouter.sh