H3C Technologies H3C S12500-X Series Switches User Manual
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Configuring the P2MP network type for an interface ························································································ 73
Configuring the P2P network type for an interface ··························································································· 73
Configuring OSPF route control ··································································································································· 73
Configuration prerequisites ·································································································································· 73
Configuring OSPF route summarization ············································································································· 74
Configuring received OSPF route filtering ·········································································································· 75
Configuring Type-3 LSA filtering ·························································································································· 75
Configuring an OSPF cost for an interface ········································································································ 75
Configuring the maximum number of ECMP routes ·························································································· 76
Configuring OSPF preference ······························································································································ 77
Configuring OSPF route redistribution ················································································································ 77
Advertising a host route ········································································································································ 78
Tuning and optimizing OSPF networks ························································································································ 79
Configuration prerequisites ·································································································································· 79
Configuring OSPF timers ······································································································································ 79
Specifying LSA transmission delay ······················································································································ 80
Specifying SPF calculation interval ······················································································································ 80
Specifying the LSA arrival interval ······················································································································· 81
Specifying the LSA generation interval ··············································································································· 81
Disabling interfaces from receiving and sending OSPF packets ······································································ 82
Configuring stub routers ······································································································································· 82
Configuring OSPF authentication ························································································································ 83
Adding the interface MTU into DD packets ········································································································ 84
Configuring a DSCP value for OSPF packets ····································································································· 84
Configuring the maximum number of external LSAs in LSDB ··········································································· 84
Configuring OSPF exit overflow interval ············································································································· 85
Enabling compatibility with RFC 1583 ··············································································································· 85
Logging neighbor state changes ·························································································································· 86
Configuring OSPF network management ··········································································································· 86
Configuring the LSU transmit rate ························································································································ 87
Enabling OSPF ISPF ·············································································································································· 87
Configuring prefix suppression····································································································································· 88
Configuring prefix suppression for an OSPF process ······················································································· 88
Configuring prefix suppression on an interface ································································································· 88
Configuring prefix prioritization ··································································································································· 89
Configuring OSPF PIC ··················································································································································· 89
Configuring OSPF GR ··················································································································································· 89
Configuring the OSPF GR restarter ····················································································································· 90
Configuring OSPF GR helper ······························································································································· 91
Triggering OSPF GR ············································································································································· 91
Configuring BFD for OSPF ············································································································································ 92
Configuring bidirectional control detection ········································································································ 92
Configuring single-hop echo detection ··············································································································· 92
Configuring OSPF FRR ··················································································································································· 92
Configuration prerequisites ·································································································································· 93
Configuration guidelines ······································································································································ 93
Configuring OSPF FRR to calculate a backup next hop using the LFA algorithm ·········································· 93
Configuring OSPF FRR to specify a backup next hop using a routing policy ················································· 94
Displaying and maintaining OSPF ······························································································································· 94
OSPF configuration examples ······································································································································ 96
Basic OSPF configuration example ····················································································································· 96
OSPF route redistribution configuration example ······························································································ 99
OSPF summary route advertisement configuration example ·········································································· 100
OSPF stub area configuration example ············································································································ 103