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OSPF Hello Interval Definition: OSPF Hello Interval is the time interval at which OSPF routers send hello packets to discover and maintain neighbor relationships in an OSPF network.
The OSPF Hello Interval is a configurable time period used in Open Shortest Path First (OSPF) routing protocol to determine how frequently routers on a network send hello packets to discover and maintain neighbor relationships. The hello packets are essential for routers to exchange routing information and ensure network connectivity by detecting and responding to changes in network topology. Adjusting the hello interval can impact network convergence speed and resource utilization in OSPF environments.