Operation Manual – Routing ProtocolH3C S7500 Series Ethernet Switches Chapter 4 OSPF Configuration4-9Task RemarksConfiguring the Network Type of anOSPF Interface OptionalSetting an NBMA Neighbor OptionalOSPF Network TypeConfigurationSetting the DR Priority on an OSPFInterface OptionalConfiguring OSPF Route Summary OptionalConfiguring OSPF to Filter ReceivedRoutes OptionalConfiguring the Cost for SendingPackets on an OSPF Interface OptionalSetting OSPF Route Priority OptionalOSPF Route ControlConfiguring OSPF to RedistributeRoutes OptionalConfiguring OSPF Timers OptionalConfiguring the LSA transmissiondelay OptionalConfiguring the SPF CalculationInterval OptionalDisabling OSPF Packet Transmissionon an Interface OptionalConfiguring OSPF Authentication OptionalConfiguring to Fill the MTU FieldWhen an Interface Transmits DDPacketsOptionalOSPF NetworkAdjustment andOptimizationConfiguring OSPF NetworkManagement System (NMS) Optional4.3 Basic OSPF ConfigurationBefore you can configure other OSPF features, you must first enable OSPF andspecify the interface and area ID.4.3.1 Configuration PrerequisitesBefore configuring OSPF, perform the following tasks:z Configuring the link layer protocolz Configuring the network layer addresses of interfaces so that adjacent nodes arereachable to each other at the network layer