November 1999
Intermediate to advanced
576 pages
15h 3m
English
This chapter discusses the Open Shortest Path First (OSPF) protocol, including the following issues:
Fundamentals and operation of OSPF OSPF is a link-state protocol used as an Interior Gateway Protocol (IGP). This section discusses how OSPF builds a database and how to build routing tables from that database.
Introduction to link-state protocols Link-state protocols are like a jigsaw puzzle. Each router within an area maintains information about all the links and routers in its area. This section explains the fundamentals of link-state protocols and how to take advantage of them.
OSPF packet format OSPF has five different packet types: hello, database description, update, request, and acknowledgment. Each is ...
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