利用Linux策略路由实现Internet多出口链路互联

Application of Linux routing policy in Internet

策略路由是目前大多数硬件路由器支持的一种高级路由技术 ,路由器除了根据IP包的目的IP地址进行路由选择外 ,还可以根据其他因素进行路由选择 ,利用Linux 2 x内核支持的策略路由高级功能 ,结合防火墙技术 ,用普通PC机构建一台功能强大、高性价比的Linux软件路由器 。

At present, policy routing is a high-level routing technology supported by most of hardware routers. The router can make a routing choice through IP address and other factors. By the use of the policy routing function and the fire wall technology, an ordinary PC can be changed into a powerful Linux software router, so as to solve the problem of multiple interface network connection in the campus network and the Internet access flow division.