To verify an OSPF configuration, perform these tasks: Verify that OSPF is running on a particular interface and that the interface is in the desired area. The output shows a list of the device interfaces that are. This document describes how to troubleshoot common problems with Open Shortest Path First (OSPF). There are no specific requirements for this document. This document is not restricted to specific software and hardware versions. When show commands don't reveal the cause of an OSPF problem, debug commands provide real-time visibility into OSPF packet processing, neighbor state. OSPF is a dynamic routing protocol used in computer networks to exchange routing information between routers. Unlike distance-vector protocols such as RIP, OSPF does not use hop count as its metric for calculating the best path. Specifies the OSPF area ID, expressed in dotted decimal notation or as a 32-bit decimal. Optical transceivers—such as SFP, QSFP, and OSFP transceivers —are essential components in high-speed data center and enterprise networks.