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combinations of OSPF network types

The following combinations of OSPF network types can result in successful adjacency:

NetworkType1---------NetworkType2

I omitted the similar one.

1-broadcast------------non-broadcast

2-point-to-multipoint---point-to-point,,,,compare with 4

3-point-to-multipoint----point-to-multipoint non-broadcast

4-point-to-point---------point-to-multipoint non-broadcast,,,,compare with 2

My query

number 2 he mentioned : "point-to-multipoint(type1) point-to-point (type2)", without adding non-broadcast, while number 4 he mentioned "point-to-point(type1) point-to-multipoint non-broadcast(type2), with adding non-broadcast" ???

1 REPLY
VIP Purple

Re: combinations of OSPF network types

Hello,

I guess the reason they list both point-to-multipoint and point-to-multipoint non-broadcast is that there is actually a slight difference between these network types: the point-to-multipoint non-broadcast network type is typically used in NBMA environments with PVCs of differing speeds...

Does that make sense ?

Regards,

GP

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