iii
Prerequisites··································································································································4-24
Configuring a Stub Area ················································································································4-25
Configuring an NSSA Area············································································································4-25
Configuring a Virtual Link ··············································································································4-26
Configuring OSPF Network Types········································································································4-27
Prerequisites··································································································································4-27
Configuring the OSPF Network Type for an Interface as Broadcast ············································4-27
Configuring the OSPF Network Type for an Interface as NBMA ··················································4-28
Configuring the OSPF Network Type for an Interface as P2MP···················································4-29
Configuring the OSPF Network Type for an Interface as P2P······················································4-30
Configuring OSPF Route Control··········································································································4-30
Prerequisites··································································································································4-30
Configuring OSPF Route Summarization······················································································4-30
Configuring OSPF Inbound Route Filtering···················································································4-31
Configuring ABR Type-3 LSA Filtering··························································································4-32
Configuring an OSPF Cost for an Interface···················································································4-33
Configuring the Maximum Number of OSPF Routes ····································································4-34
Configuring the Maximum Number of Load-balanced Routes ······················································4-34
Configuring a Priority for OSPF·····································································································4-34
Configuring OSPF Route Redistribution························································································4-35
Advertising a Host Route···············································································································4-36
Configuring OSPF Network Optimization······························································································4-37
Prerequisites··································································································································4-37
Configuring OSPF Packet Timers ·································································································4-37
Specifying an LSA Transmission Delay ························································································4-38
Specifying SPF Calculation Interval ······························································································4-39
Specifying the LSA Minimum Repeat Arrival Interval····································································4-39
Specifying the LSA Generation Interval ························································································4-40
Disabling Interfaces from Sending OSPF Packets········································································4-40
Configuring Stub Routers··············································································································4-41
Configuring OSPF Authentication ·································································································4-42
Adding the Interface MTU into DD Packets···················································································4-42
Configuring the Maximum Number of External LSAs in LSDB ·····················································4-43
Making External Route Selection Rules Defined in RFC 1583 Compatible··································4-43
Logging Neighbor State Changes ·································································································4-44
Configuring OSPF Network Management·····················································································4-44
Enabling Message Logging···········································································································4-45
Enabling the Advertisement and Reception of Opaque LSAs ······················································4-45
Configuring OSPF to Give Priority to Receiving and Processing Hello Packets···························4-45
Configuring the LSU Transmit Rate ······························································································4-46
Configuring OSPF Graceful Restart······································································································4-46
Configuring the OSPF GR Restarter·····························································································4-47
Configuring the OSPF GR Helper ·································································································4-48
Triggering OSPF Graceful Restart ································································································4-48
Configuring BFD for OSPF ···················································································································4-49
Displaying and Maintaining OSPF ········································································································4-50
