Refer to the exhibit. Router1 and Router2 are running OSPF. The show ip ospf neighbor command reveals no neighbors. What is a possible cause?
Refer to the exhibit. Router1 and Router2 are running OSPF. The show ip ospf neighbor command reveals no neighbors. What is a possible cause?

- OSPF autonomous system IDs do not match.
- OSPF process IDs do not match.
- OSPF network types are identical.
- OSPF hello or dead timers do not match.
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