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OSPF: A Network Routing Protocol by Phani Raj Tadimety

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CHAPTER 14

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The Enterprise Network—Recognizing the Neighbors

Men and Women walked casually about as they did on the main floor, every now and then stopping one another, exchanging pleasantries or scraps of relevantly irrelevant information. Gossip

—Robert Ludlam, The Bourne Identity

After two neighboring routers exchange “Hello” messages and agree on certain crucial parameters, they start exchanging network topology information. This chapter provides an overview of the kind of topology information exchanged between neighboring routers.

Link State Advertisements and Databases

When two neighboring routers discover each other and confirm bidirectional ...

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