Routing & Switching Demystified

OSPF Network types

Following are the various network types in OSPF.


Interface type DR/BDR Dynamic neighbor discovery Default hello interval
Broadcast Yes Yes 10
Non-Broadcast Yes No 30
Point to Point No Yes 10
Loopback NA NA NA
Point to multipoint No Yes 30
Point to multipoint nonbroadcast No No 30

Key points to remember

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