NBMA Environments
- If this interface command is changed, ensure all other interfaces on that segment have, at least, the same Hello and Dead interval timers, or they won’t work!
- It’s recommended, however, that if you change the network type on one interface on a segment, to change all the other routers to match – is suggested, but not required (as long as the Hello and Dead interval timers are matched).
-
Non-broadcast
- All OSPF neighbors should be manually configured (which is the router’s default setting).
- Ensures OSPF knows which neighbors need to participate and which neighbor has been identified as a DR.