OSPF Design Tools
This section reviews some useful network design tools that are available in OSPF.
Altering Neighbor Cost
In your network, you want to prioritize or alter traffic flow based on the cost of a link. Suppose that you want to alter (increase or decrease) the default cost that is associated with a link to a neighbor. You can change this cost by assigning a cost associated with that neighbor as follows:
On point-to-multipoint broadcast networks, there is no need to specify neighbors. However, you can specify neighbors with the neighbor command; in which case; you should specify a cost to that neighbor.
On point-to-multipoint nonbroadcast networks, you now use the neighbor command to identify neighbors. Assigning a cost to a neighbor ...