双网卡内外网络共享

internet地址:192.168.1.2,子网掩码:255.255.255.0,网关:192.168.1.1
内部网地址:11.192.253.12,子网掩码:255.255.255.0,网关:11.192.253.1
如果想同时访问两个网络的话可以按以下方法操作:
route delete 0.0.0.0
route -p add 0.0.0.0 mask 0.0.0.0 192.168.1.1
route -p add 11.192.253.0 mask 255.255.255.0 11.192.253.1