Link type
—Choose
Broadcast
if
you want all neighbors that are accessible through the interface
to be discovered automatically by multicasting OSPF hello messages,
such as an Ethernet interface. Choose
p2p
(point-to-point)
to automatically discover the neighbor. Choose
p2mp
(point-to-multipoint)
when neighbors must be defined manually and
Add
the
neighbor IP addresses for all neighbors that are reachable through
this interface.