Routing Mechanisms
Routing Mechanisms
4) OSPF Neighbors, Adjacencies, and Areas
E)OSPF Operations
OSPF Router Sends Hello packets to neighbor
- Every OSPF sends out "hello" packets to greet Neighbor
- Hello packets used to determine if Neighbor is up
(brings up an Adjacency)
- Hello packets are small and easy to process
- Hello packets sent periodically
Examples