Method and system for discovering a topology of a portion of a computer network

摘要

A system and method includes obtaining first information from a first router that supports a first routing protocol (for example, OSPF) in a computer network. The routing protocol defines areas, which are groups of routers, and defines neighbors. The first information includes a first routing protocol neighbor indication and a first routing protocol area indication. The first routing protocol neighbor indication is used to determine a second router that supports the first routing protocol in the computer network. Second information is obtained from the second router. The second information includes a second routing protocol neighbor indication and a second routing protocol area indication. The information can be discovered and collected iteratively until a topology of a desired portion of the network which supports the first routing protocol can be produced.