OSPF: LSA Type 1 (why it’s unique), explanation of SPF Tree, and a handy show command for exam day!

When you first configure a router in an Area via an OSPF instance, you are creating a Link State Database, that already contains entries for different LSA Types. Each router considers itself to be the Root of what is called the "Shortest Path First Tree", which is a mapping via LSA's from neighbor routers, which … Continue reading OSPF: LSA Type 1 (why it’s unique), explanation of SPF Tree, and a handy show command for exam day!