Chapter 19. Understanding OSPF Concepts
This chapter covers the following exam topics:
3.0 IP Connectivity
3.2 Determine how a router makes a forwarding decision by default
3.2.b Administrative distance
3.2.c Routing protocol metric
3.4 Configure and verify single area OSPFv2
3.4.a Neighbor adjacencies
3.4.b Point-to-point
3.4.c Broadcast (DR/BR selection)
3.4.d Router ID
This chapter takes a long look at Open Shortest Path First Version 2 (OSPFv2) concepts. OSPF runs on each router, sending and receiving OSPF messages with neighboring (nearby) routers. These messages give OSPF the means to exchange data about the network and to learn and add IP Version 4 (IPv4) routes to the IPv4 routing table on each router.
Most enterprises over the last ...
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