Suppose you are interested in a common problem for OSPF over DMVPN with Point-to-Point and Point-to-Multi-Point Network Type. The issue arises when a third router tries to form a neighborship over the DMVPN link when everything is left at the default.

Learning Points:
-The P2P network type for OSPF only allows for two neighbors.
-P2P and P2MP, default Hello Interval are different. This will cause the neighborship to fail.

свернуть