查看路由表：route –n
//添加到主机的路由
# route add –host 192.168.168.110 dev eth0
# route add –host 192.168.168.119 gw 192.168.168.1
//添加默认网关
# route add default gw 192.168.1.1
//删除路由
# route del –host 192.168.168.110 dev eth0
原文：http://www.cnblogs.com/yinjia/p/5463717.html