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IP Connectivity Fix ~7 min · multi-device

OSPF neighbor never comes up

R1 and R2 share the 10.0.0.0/30 link. R1 is known-good and advertising the link in area 0. On R2, show ip ospf neighbor is empty and the LANs behind them can't reach each other. Investigate R2: there's more than one valid fix.

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