HP 6125G HP 6125G & 6125G/XG Blade Switches Layer 3 - IP Routing Confi - Page 5

Configuring echo packet single-hop detection, iii

Page 5 highlights

Configuring ABR Type-3 LSA filtering 74 Configuring an OSPF cost for an interface 74 Configuring the maximum number of OSPF routes 75 Configuring the maximum number of ECMP routes 75 Configuring OSPF preference 76 Configuring OSPF route redistribution 76 Advertising a host route 78 Tuning and optimizing OSPF networks 78 Configuration prerequisites 78 Configuring OSPF packet timers 78 Specifying LSA transmission delay 79 Specifying SPF calculation interval 80 Specifying the LSA arrival interval 80 Specifying the LSA generation interval 80 Disabling interfaces from receiving and sending OSPF packets 81 Configuring stub routers 81 Configuring OSPF authentication 82 Adding the interface MTU into DD packets 82 Configuring the maximum number of external LSAs in LSDB 83 Enabling compatibility with RFC 1583 83 Logging neighbor state changes 83 Configuring OSPF network management 84 Enabling message logging 84 Enabling the advertisement and reception of opaque LSAs 84 Configuring OSPF to give priority to receiving and processing hello packets 85 Configuring the LSU transmit rate 85 Setting the DSCP value for OSPF packets 86 Enabling OSPF ISPF 86 Configuring OSPF Graceful Restart 86 Configuring the OSPF GR Restarter 86 Configuring the OSPF GR Helper 87 Triggering OSPF Graceful Restart 88 Configuring BFD for OSPF 88 Configuring control packet bidirectional detection 88 Configuring echo packet single-hop detection 89 Displaying and maintaining OSPF 89 OSPF configuration examples 90 Configuring OSPF basic functions 90 Configuring OSPF route redistribution 94 Configuring OSPF to advertise a summary route 95 Configuring an OSPF stub area 98 Configuring an OSPF NSSA area 100 Configuring OSPF DR election 102 Configuring OSPF virtual links 106 Configuring OSPF Graceful Restart 108 Configuring route filtering 110 Configuring BFD for OSPF 113 Troubleshooting OSPF configuration 116 No OSPF neighbor relationship established 116 Incorrect routing information 116 Configuring BGP 117 BGP overview 117 BGP messages formats 117 BGP path attributes 120 iii

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iii
Configuring ABR Type-3 LSA filtering ················································································································· 74
Configuring an OSPF cost for an interface ········································································································ 74
Configuring the maximum number of OSPF routes ··························································································· 75
Configuring the maximum number of ECMP routes ·························································································· 75
Configuring OSPF preference ······························································································································ 76
Configuring OSPF route redistribution ················································································································ 76
Advertising a host route ········································································································································ 78
Tuning and optimizing OSPF networks························································································································ 78
Configuration prerequisites ·································································································································· 78
Configuring OSPF packet timers·························································································································· 78
Specifying LSA transmission delay ······················································································································ 79
Specifying SPF calculation interval ······················································································································ 80
Specifying the LSA arrival interval······················································································································· 80
Specifying the LSA generation interval ··············································································································· 80
Disabling interfaces from receiving and sending OSPF packets······································································ 81
Configuring stub routers ······································································································································· 81
Configuring OSPF authentication ························································································································ 82
Adding the interface MTU into DD packets ········································································································ 82
Configuring the maximum number of external LSAs in LSDB ··········································································· 83
Enabling compatibility with RFC 1583 ··············································································································· 83
Logging neighbor state changes·························································································································· 83
Configuring OSPF network management ··········································································································· 84
Enabling message logging ··································································································································· 84
Enabling the advertisement and reception of opaque LSAs ············································································· 84
Configuring OSPF to give priority to receiving and processing hello packets ··············································· 85
Configuring the LSU transmit rate ························································································································ 85
Setting the DSCP value for OSPF packets··········································································································· 86
Enabling OSPF ISPF ·············································································································································· 86
Configuring OSPF Graceful Restart······························································································································ 86
Configuring the OSPF GR Restarter····················································································································· 86
Configuring the OSPF GR Helper ························································································································ 87
Triggering OSPF Graceful Restart························································································································ 88
Configuring BFD for OSPF ············································································································································ 88
Configuring control packet bidirectional detection ··························································································· 88
Configuring echo packet single-hop detection
··································································································· 89
Displaying and maintaining OSPF ······························································································································· 89
OSPF configuration examples ······································································································································ 90
Configuring OSPF basic functions ······················································································································· 90
Configuring OSPF route redistribution ················································································································ 94
Configuring OSPF to advertise a summary route······························································································· 95
Configuring an OSPF stub area··························································································································· 98
Configuring an OSPF NSSA area ····················································································································· 100
Configuring OSPF DR election ··························································································································· 102
Configuring OSPF virtual links ··························································································································· 106
Configuring OSPF Graceful Restart ··················································································································· 108
Configuring route filtering ·································································································································· 110
Configuring BFD for OSPF ································································································································· 113
Troubleshooting OSPF configuration ························································································································· 116
No OSPF neighbor relationship established ···································································································· 116
Incorrect routing information ······························································································································ 116
Configuring BGP ····················································································································································· 117
BGP overview ······························································································································································· 117
BGP messages formats········································································································································ 117
BGP path attributes ············································································································································· 120