200-301 V1 Ch21: OSPF Network Types

The OSPF network type setting happens to be one of the more useful optional OSPF features. This setting changes a couple of details about how OSPF operates on an interface. Ethernet WAN links [...]

OSPF includes many optional features. Depending on the network, particularly the WAN, you may ignore some of those features while possibly using others. The choice to influence which router [...]

OSPF requires two routers to become neighbors before they can exchange OSPF LSAs and then calculate new routes. Chapter 21 of the CCNA 200-301 Volume 1 focuses on neighbor relationships. The [...]