R21xx-HP FlexFabric 11900 Layer 3 IP Routing Configuration Guide
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Configuring OSPF areas ··············································································································································· 60
Configuring a stub area ······································································································································· 60
Configuring an NSSA area ·································································································································· 60
Configuring a virtual link ······································································································································ 61
Configuring OSPF network types ································································································································· 62
Configuration prerequisites ·································································································································· 62
Configuring the broadcast network type for an interface ················································································· 62
Configuring the NBMA network type for an interface ······················································································ 63
Configuring the P2MP network type for an interface ························································································ 63
Configuring the P2P network type for an interface ··························································································· 64
Configuring OSPF route control ··································································································································· 64
Configuration prerequisites ·································································································································· 64
Configuring OSPF route summarization ············································································································· 65
Configuring inbound OSPF route filtering ·········································································································· 66
Configuring Type-3 LSA filtering ·························································································································· 66
Configuring an OSPF cost for an interface ········································································································ 66
Configuring the maximum number of ECMP routes ·························································································· 67
Configuring OSPF preference ······························································································································ 68
Configuring OSPF route redistribution ················································································································ 68
Advertising a host route ········································································································································ 70
Tuning and optimizing OSPF networks ························································································································ 70
Configuration prerequisites ·································································································································· 70
Configuring OSPF timers ······································································································································ 70
Specifying LSA transmission delay ······················································································································ 71
Specifying SPF calculation interval ······················································································································ 72
Specifying the LSA arrival interval ······················································································································· 72
Specifying the LSA generation interval ··············································································································· 73
Disabling interfaces from receiving and sending OSPF packets ······································································ 73
Configuring stub routers ······································································································································· 74
Configuring OSPF authentication ························································································································ 74
Adding the interface MTU into DD packets ········································································································ 75
Configuring the maximum number of external LSAs in LSDB ··········································································· 75
Configuring OSPF exit overflow interval ············································································································· 75
Enabling compatibility with RFC 1583 ··············································································································· 76
Logging neighbor state changes ·························································································································· 76
Configuring OSPF network management ··········································································································· 77
Configuring the LSU transmit rate ························································································································ 77
Enabling OSPF ISPF ·············································································································································· 78
Configuring OSPF GR ··················································································································································· 78
Configuring the OSPF GR Restarter ····················································································································· 78
Configuring OSPF GR Helper ······························································································································ 79
Triggering OSPF GR ············································································································································· 80
Configuring BFD for OSPF ············································································································································ 80