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Unable to allocate OSPF router ID
For an Open Shortest Path First Protocol (OSPF) process to begin, the router must have an interface with a valid IP address in the state of up, line protocol up.
Verify that you have an interface with a valid IP address in the state of up, line protocol up. This can be see in the show interface<interface> command. If you are running more than one OSPF process, make sure you have at least one interface that meets this criteria for each OSPF process.