viii
Protocols and standards ····································································································································· 351
OSPFv3 configuration task list ···································································································································· 351
Enabling OSPFv3 ························································································································································· 352
Configuring OSPFv3 area parameters ······················································································································ 353
Configuration prerequisites ································································································································ 353
Configuring a stub area ····································································································································· 353
Configuring an NSSA area ································································································································ 353
Configuring an OSPFv3 virtual link ··················································································································· 354
Configuring OSPFv3 network types ··························································································································· 355
Configuration prerequisites ································································································································ 355
Configuring the OSPFv3 network type for an interface ·················································································· 355
Configuring an NBMA or P2MP neighbor ······································································································· 355
Configuring OSPFv3 route control ····························································································································· 356
Configuration prerequisites ································································································································ 356
Configuring OSPFv3 route summarization ······································································································· 356
Configuring OSPFv3 received route filtering ···································································································· 357
Configuring Inter-Area-Prefix LSA filtering ········································································································ 357
Configuring an OSPFv3 cost for an interface ·································································································· 357
Configuring the maximum number of OSPFv3 ECMP routes ········································································· 358
Configuring a preference for OSPFv3 ·············································································································· 359
Configuring OSPFv3 route redistribution ·········································································································· 359
Tuning and optimizing OSPFv3 networks ················································································································· 360
Configuration prerequisites ································································································································ 360
Configuring OSPFv3 timers ································································································································ 360
Specifying LSA transmission delay ···················································································································· 361
Specifying SPF calculation interval ···················································································································· 361
Specifying the LSA generation interval ············································································································· 361
Configuring a DR priority for an interface ········································································································ 362
Ignoring MTU check for DD packets ················································································································· 362
Disabling interfaces from receiving and sending OSPFv3 packets ······························································· 362
Enabling the logging of neighbor state changes ····························································································· 363
Configuring the LSU transmit rate ······················································································································ 363
Configuring stub routers ····································································································································· 364
Configuring prefix suppression ·························································································································· 364
Configuring OSPFv3 GR ············································································································································· 365
Configuring GR restarter ···································································································································· 365
Configuring GR helper ········································································································································ 366
Triggering OSPFv3 GR ······································································································································· 366
Configuring OSPFv3 NSR ··········································································································································· 366
Configuring BFD for OSPFv3 ······································································································································ 367
Applying an IPsec profile ············································································································································ 368
Displaying and maintaining OSPFv3 ························································································································· 369
OSPFv3 configuration examples ································································································································ 370
OSPFv3 stub area configuration example ········································································································ 370
OSPFv3 NSSA area configuration example ···································································································· 374
OSPFv3 DR election configuration example ····································································································· 377
OSPFv3 route redistribution configuration example ························································································ 380
OSPFv3 route summarization configuration example ····················································································· 383
OSPFv3 GR configuration example ·················································································································· 386
OSPFv3 NSR configuration example ················································································································ 388
BFD for OSPFv3 configuration example ··········································································································· 389
OSPFv3 IPsec profile configuration example ··································································································· 391
Configuring IPv6 IS-IS ············································································································································· 396
Overview ······································································································································································· 396