Types of LSAs (Link-state advertisements)
Jun 9,95There are several different LSA types in OSPF: Type 1 LSA – also known as router link advertisement (RLA), a …
Read MoreLink-state advertisement (LSA)
Jun 8,95The LSAs (Link-State Advertisements) are used by routers running OSPF to exchange topology information. An LSA contains routing and topology …
Read MoreOSPF areas explained
Jun 7,95OSPF uses areas to simplify administration and optimize traffic and resource utilization. An area is simply a logical grouping of …
Read MoreOSPF neighbor states
Jun 6,95Before establishing a neighbor relationship, OSPF routers go through several state changes (up to eight possible states): 1. Down state – …
Read MoreOSPF neighbor discovery
Jun 5,95Routers running OSPF need to establish a neighbor relationship before exchanging routing updates. OSPF neighbors are dynamically discovered by sending …
Read MoreOSPF overview
Jun 4,95OSPF (Open Shortest Path First) is perhaps the most popular link state routing protocol. It is an open standard so …
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