发现某个路由的所有子网的拓扑结构,好的示例程序.-found a routing of all subnetworks topology, a good sample program.

net-snmp的开发记录，有需要的同志可以参考下，或许对你的开发和学习有帮助-net-snmp' s development record, there is a need of comrades can refer to, perhaps you have to help the development and learning