TrainSignal Chapter 9, Lecture 5 - OSPF Redistribution
Very basic config, redistribution config:
OSPF neighbours:
R4 & R5 do not and will not be allowed to have a FULL WAY relationship, as there is already a DR & BDR, HOWEVER if the DR or BDR was to go down then one of them R4/R5 would take this role as it would then need a FULL relationship (having it in 2WAY makes it a quicker process to FULL)
ONLY DR AND BDR ON ETHERNET SEGMENT WILL HAVE FULL RELATIONSHIPS!
Or we could do it a different way: