ii
Configuring RIPv2 Route Summarization························································································3-9
Disabling Host Route Reception ···································································································3-10
Advertising a Default Route···········································································································3-10
Configuring Inbound/Outbound Route Filtering·············································································3-11
Configuring a Priority for RIP·········································································································3-12
Configuring RIP Route Redistribution ···························································································3-12
Configuring RIP Network Optimization ·································································································3-13
Configuring RIP Timers ·················································································································3-13
Configuring Split Horizon and Poison Reverse ·············································································3-14
Configuring the Maximum Number of Load Balanced Routes······················································3-15
Enabling Zero Field Check on Incoming RIPv1 Messages···························································3-15
Enabling Source IP Address Check on Incoming RIP Updates····················································3-16
Configuring RIPv2 Message Authentication··················································································3-16
Specifying a RIP Neighbor ············································································································3-17
Configuring RIP-to-MIB Binding ····································································································3-17
Configuring the RIP Packet Sending Rate ····················································································3-18
Configuring BFD for RIP ·······················································································································3-18
Single-Hop Detection in BFD Echo Packet Mode·········································································3-19
Bidirectional Detection in BFD Control Packet Mode····································································3-19
Displaying and Maintaining RIP············································································································3-20
RIP Configuration Examples·················································································································3-20
Configuring RIP Version················································································································3-20
Configuring RIP Route Redistribution ···························································································3-21
Configuring an Additional Metric for a RIP Interface·····································································3-24
Configuring RIP to Advertise a Summary Route···········································································3-25
Configuring BFD for RIP (Single-Hop Detection in BFD Echo Packet Mode)·······························3-27
Configuring BFD for RIP (Bidirectional Detection in BFD Control Packet Mode) ·························3-30
Troubleshooting RIP ·····························································································································3-34
No RIP Updates Received ············································································································3-34
Route Oscillation Occurred ···········································································································3-34
4 OSPF Configuration ··································································································································4-1
Introduction to OSPF·······························································································································4-1
Basic Concepts································································································································4-2
OSPF Area Partition························································································································4-3
Router Types···································································································································4-7
Classification of OSPF Networks ····································································································4-8
DR and BDR····································································································································4-9
OSPF Packet Formats···················································································································4-10
Supported OSPF Features············································································································4-18
Protocols and Standards ···············································································································4-21
OSPF Configuration Task List ··············································································································4-21
Enabling OSPF ·····································································································································4-23
Prerequisites··································································································································4-23
Configuration Procedure················································································································4-23
Configuring OSPF Areas ······················································································································4-24
