The animated TECHTip Tutorial is available here.

OFPF [Open Shortest Path First] is a Link-State routing protocol which broadcasts or advertises routing information only when a change occurs by sending “hello” messages.

Key points of Link-State protocols are:

• Maintains knowledge of all routers

• Route information is flooded to all routers called advertising
• Each router builds their own routing tables

Example: OSPF and its derivatives (next week)

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[tags]router,ospf,open shortest path first,link-state protocol,route information[/tags]