OSPF route selection Criteria

Below are the path selection criteria for OSPF:-

1. Prefix Length
2. Administrative Distance
3. Metric
4. Route Type- Order of route priority is explained below:-

• Intra-Area (O)
• Inter-Area (O IA)
• External Type 1 (E1)
• External Type 2 (E2)
• NSSA Type 1 (N1)
• NSSA Type 2 (N2)

5. Load Balance