Concept Guide
Tracking a Layer 2 Interface................................................................................................................................... 592
Tracking a Layer 3 Interface................................................................................................................................... 593
Track an IPv4/IPv6 Route......................................................................................................................................595
Displaying Tracked Objects...........................................................................................................................................599
35 Open Shortest Path First (OSPFv2 and OSPFv3).................................................................................... 601
Protocol Overview..........................................................................................................................................................601
Autonomous System (AS) Areas............................................................................................................................ 601
Area Types................................................................................................................................................................ 602
Networks and Neighbors........................................................................................................................................603
Router Types............................................................................................................................................................ 603
Designated and Backup Designated Routers.......................................................................................................605
Link-State Advertisements (LSAs)........................................................................................................................605
Router Priority and Cost.........................................................................................................................................606
OSPF with Dell EMC Networking OS......................................................................................................................... 607
Graceful Restart...................................................................................................................................................... 608
Fast Convergence (OSPFv2, IPv4 Only)..............................................................................................................609
Multi-Process OSPFv2 with VRF..........................................................................................................................609
OSPF ACK Packing................................................................................................................................................. 609
Setting OSPF Adjacency with Cisco Routers...................................................................................................... 609
Conguration Information............................................................................................................................................. 610
Conguration Task List for OSPFv2 (OSPF for IPv4)......................................................................................... 610
OSPFv3 NSSA............................................................................................................................................................... 624
NSSA Options.......................................................................................................................................................... 624
Conguration Task List for OSPFv3 (OSPF for IPv6).............................................................................................. 625
Enabling IPv6 Unicast Routing...............................................................................................................................625
Applying cost for OSPFv3...................................................................................................................................... 626
Assigning IPv6 Addresses on an Interface............................................................................................................626
Assigning Area ID on an Interface..........................................................................................................................626
Assigning OSPFv3 Process ID and Router ID Globally........................................................................................627
Assigning OSPFv3 Process ID and Router ID to a VRF...................................................................................... 627
Conguring Stub Areas...........................................................................................................................................628
Conguring Passive-Interface................................................................................................................................628
Redistributing Routes..............................................................................................................................................628
Conguring a Default Route...................................................................................................................................629
Enabling OSPFv3 Graceful Restart....................................................................................................................... 629
OSPFv3 Authentication Using IPsec......................................................................................................................631
Troubleshooting OSPFv3........................................................................................................................................ 637
MIB Support for OSPFv3............................................................................................................................................. 638
Viewing the OSPFv3 MIB.......................................................................................................................................639
36 Policy-based Routing (PBR)....................................................................................................................640
Overview.........................................................................................................................................................................640
Implementing PBR..........................................................................................................................................................641
Conguration Task List for Policy-based Routing.......................................................................................................641
PBR Exceptions (Permit)........................................................................................................................................ 641
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