Operation Manual – OSPFH3C S9500 Series Routing Switches Chapter 1 OSPF Configuration1-12z Configuring OSPF Route Filteringz Configuring the Route Summary of OSPF3) Some OSPF configurationsz Setting OSPF Route Preferencez Configuring OSPF Timersz Configuring the Network Type of the OSPF Interfacez Configuring NBMA Neighbors for OSPFz Setting the Interface Priority for DR Electionz Configuring an Interval Required for Sending LSU Packetsz Configuring the Cost for Sending Packets on an Interfacez Configuring to Fill the MTU Field When an Interface Transmits DD Packetsz Setting a Shortest Path First (SPF) Calculation Interval for OSPF4) Configurations related to OSPF networkingz Disabling the Interface to Send OSPF Packetsz Configuring OSPF Authenticationz Configuring OSPF Virtual Linkz Configuring Stub Area of OSPFz Configuring NSSA Area of OSPFz Setting the Switch for Adjacency State Output5) Configuration related to specific applicationsz Configuring OSPF and Network Management Systemz Configuring OSPF GR6) Othersz Resetting the OSPF Process1.3.1 Configuring a Router IDA router ID is a 32-bit unsigned integer in IP address format that uniquely identifies arouter within an AS. A router ID can be configured manually. If no router ID is configured,the system will select the IP address of an interface automatically. When you do thatmanually, you must guarantee that the IDs of any two routers in the AS are unique. Acommon undertaking is to set the router ID to be the IP address of an interface on therouter.Perform the following configuration in system view to configure/remove a router ID:To do... Use the command...Configure a router ID router id router-idRemove the router ID undo router idIf no router ID is configured for an OSPF process, the OSPF process will use the routerID configured with the router id command as its router ID. To ensure stability of OSPF,
