ii
4 OSPF Configuration ··································································································································4-1
OSPF Overview ······································································································································4-1
Introduction to OSPF·······················································································································4-1
OSPF Route Calculation ·················································································································4-2
Basic OSPF Concepts·····················································································································4-2
OSPF Area Partition and Route Summarization·············································································4-4
OSPF Network Type······················································································································4-10
DR/BDR·········································································································································4-10
OSPF Features······························································································································4-12
OSPF Configuration Task List ··············································································································4-12
Basic OSPF Configuration····················································································································4-13
Configuration Prerequisites···········································································································4-13
Basic OSPF Configuration ············································································································4-13
OSPF Area Attribute Configuration·······································································································4-15
Configuration Prerequisites···········································································································4-15
Configuring OSPF Area Attributes ································································································4-15
OSPF Network Type Configuration·······································································································4-16
Configuration Prerequisites···········································································································4-16
Configuring the Network Type of an OSPF Interface····································································4-16
Configuring an NBMA/P2MP Neighbor ·························································································4-17
Configuring the DR Priority on an OSPF Interface········································································4-18
OSPF Route Control·····························································································································4-18
Configuration Prerequisites···········································································································4-18
Configuring OSPF Route Summarization······················································································4-18
Configuring OSPF to Filter Received Routes················································································4-19
Configuring the OSPF Cost on an Interface··················································································4-20
Configuring OSPF Route Priority ··································································································4-20
Configuring the Maximum Number of OSPF ECMP Routes·························································4-20
Configuring OSPF to Redistribute External Routes ······································································4-21
OSPF Network Adjustment and Optimization·······················································································4-21
Configuration Prerequisites···········································································································4-22
Configuring OSPF Timers ·············································································································4-22
Configuring the LSA transmission delay ·······················································································4-23
Configuring the SPF Calculation Interval ······················································································4-23
Disabling OSPF Packet Transmission on an Interface ·································································4-24
Configuring OSPF Authentication ·································································································4-24
Configuring the MTU Field in DD Packets·····················································································4-25
Enabling OSPF Logging of Neighbor State Changes ···································································4-25
Configuring OSPF Network Management·····················································································4-26
Displaying and Maintaining OSPF Configuration··················································································4-26
OSPF Configuration Examples·············································································································4-27
Configuring DR/BDR Election ·······································································································4-27
Configuring OSPF Virtual Link ······································································································4-29
Troubleshooting OSPF Configuration···································································································4-31
Unable to Establish a Neighbor Relationship between Routers····················································4-31
Unable to Learn a Complete Network Topology ···········································································4-32
To Next Page
Loading...
