CCNA

OSPF can authenticate all messages exchanged between neighbors. Messages are authenticated to prevent a rogue router from injecting false routing …

Based on the network type, OSPF router can elect one router to be a designated router (DR) and one router …

OSPF uses areas to simplify administration and optimize traffic and resource utilization. An area is simply a logical grouping of …

The OSPF basic configuration is very simple and requires only two steps: enable OSPF on a router using the router ospf …

There are several different LSA types in OSPF: Type 1 LSA – also known as router link advertisement (RLA), a …

The LSAs (Link-State Advertisements) are used by routers running OSPF to exchange topology information. An LSA contains routing and topology …