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逻辑网络拓扑发现的缺陷在于，它仅发现网络层的网络拓扑，而不发现在物理层及链路层的网络拓扑结构，且无法发现和管理虚拟网．针对这一不足，将多层网络拓扑发现的功能引入网络管理系统软件之中，提出基于园区网络、Ｗｉｎｄｏｗｓ平台的多层网络拓扑发现的算法．研究结果对制作具有自己版权的网络管理系统软件将有参考意义．
The disadvantage of logical network topology discovery is that it only discovers the network topology of the network layer without discovering the network topology at the physical layer and the link layer and can not discover and manage the virtual network. In response to this problem, the multi-layer network topology discovery function is introduced into the network management system software, and an algorithm for multi-layer network topology discovery based on campus network and Windows platform is proposed. The research results will be of reference to the production of network management system software with its own copyright.