OSPF Path Preference

Path Preference

1 Intra-Area (O) – routes learned from the same area

2 Inter-area (O IA) – routes learned from a different area

3 External Type 1 (E1) – routes learned from outside OSPF marked as E1

4 External Type 2 (E2) – routes learend outside of OSPF marked as E2

5 NSSA Type 1 (N1) –  routes learned from a NSSA area marked as N1

6 NSSA Type 2 (N2) – routes learned from a NSSA area marked as N2

sh ip route ospf

 

router ospf path types.PNG

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