Operation Manual – Routing ProtocolH3C S7500 Series Ethernet Switches Table of Contentsii4.1.1 Introduction to OSPF............................................................................................... 4-14.1.2 OSPF Route Calculation ......................................................................................... 4-14.1.3 Basic OSPF Concepts ............................................................................................ 4-24.1.4 OSPF Network Types ............................................................................................. 4-44.1.5 OSPF Packets......................................................................................................... 4-64.1.6 LSA Types............................................................................................................... 4-74.1.7 OSPF Features ....................................................................................................... 4-84.2 OSPF Configuration Task List ........................................................................................... 4-84.3 Basic OSPF Configuration................................................................................................. 4-94.3.1 Configuration Prerequisites..................................................................................... 4-94.3.2 Basic OSPF Configuration .................................................................................... 4-104.4 OSPF Area Attribute Configuration.................................................................................. 4-114.4.1 Configuration Prerequisites................................................................................... 4-124.4.2 Configuring OSPF Area Attributes ........................................................................ 4-124.5 OSPF Network Type Configuration ................................................................................. 4-134.5.1 Configuration Prerequisites................................................................................... 4-134.5.2 Configuring the Network Type of an OSPF Interface............................................ 4-134.5.3 Setting an NBMA Neighbor ................................................................................... 4-144.5.4 Setting the DR Priority on an OSPF Interface....................................................... 4-144.6 OSPF Route Control........................................................................................................ 4-154.6.1 Configuration Prerequisites................................................................................... 4-154.6.2 Configuring OSPF Route Summary ...................................................................... 4-154.6.3 Configuring OSPF to Filter Received Routes ....................................................... 4-164.6.4 Configuring the Cost for Sending Packets on an OSPF Interface ........................ 4-174.6.5 Setting OSPF Route Priority ................................................................................. 4-174.6.6 Configuring OSPF to Redistribute Routes ............................................................ 4-184.7 OSPF Network Adjustment and Optimization.................................................................. 4-194.7.1 Configuration Prerequisites................................................................................... 4-194.7.2 Configuring OSPF Timers ..................................................................................... 4-194.7.3 Configuring the LSA transmission delay ............................................................... 4-204.7.4 Configuring the SPF Calculation Interval .............................................................. 4-214.7.5 Disabling OSPF Packet Transmission on an Interface ......................................... 4-214.7.6 Configuring OSPF Authentication ......................................................................... 4-224.7.7 Configuring to Fill the MTU Field When an Interface Transmits DD Packets ....... 4-234.7.8 Configuring OSPF Network Management System (NMS) .................................... 4-234.8 Displaying and Maintaining OSPF Configuration ............................................................ 4-254.9 OSPF Configuration Example.......................................................................................... 4-254.9.1 Configuring DR Election Based on OSPF Priority ................................................ 4-254.9.2 Configuring OSPF Virtual Link .............................................................................. 4-284.10 Troubleshooting OSPF Configuration............................................................................ 4-29Chapter 5 IS-IS Configuration ...................................................................................................... 5-15.1 IS-IS Overview ................................................................................................................... 5-1
