White Papers
38 Object Tracking........................................................................................................................................622
Object Tracking Overview............................................................................................................................................ 622
Track Layer 2 Interfaces..........................................................................................................................................623
Track Layer 3 Interfaces..........................................................................................................................................623
Track IPv4 and IPv6 Routes................................................................................................................................... 624
Set Tracking Delays................................................................................................................................................. 625
VRRP Object Tracking............................................................................................................................................ 625
Object Tracking Conguration..................................................................................................................................... 625
Tracking a Layer 2 Interface................................................................................................................................... 625
Tracking a Layer 3 Interface................................................................................................................................... 626
Track an IPv4/IPv6 Route...................................................................................................................................... 628
Displaying Tracked Objects............................................................................................................................................631
39 Open Shortest Path First (OSPFv2)........................................................................................................ 633
Protocol Overview.........................................................................................................................................................633
Autonomous System (AS) Areas........................................................................................................................... 633
Designated and Backup Designated Routers....................................................................................................... 637
Link-State Advertisements (LSAs)........................................................................................................................ 637
Router Priority and Cost.........................................................................................................................................638
Implementing OSPF with Dell Networking OS.......................................................................................................... 639
Fast Convergence (OSPFv2, IPv4 Only)..............................................................................................................639
Multi-Process OSPFv2 (IPv4 only)....................................................................................................................... 640
RFC-2328 Compliant OSPF Flooding................................................................................................................... 640
OSPF ACK Packing.................................................................................................................................................. 641
OSPF Adjacency with Cisco Routers.....................................................................................................................641
Conguration Information.............................................................................................................................................642
Conguration Task List for OSPFv2 (OSPF for IPv4)........................................................................................ 642
Sample Congurations for OSPFv2...................................................................................................................... 654
OSPFv3 NSSA......................................................................................................................................................... 656
Conguration Task List for OSPFv3 (OSPF for IPv6)........................................................................................ 656
Conguration Task List for OSPFv3 (OSPF for IPv6)...............................................................................................670
Enabling IPv6 Unicast Routing...............................................................................................................................670
Applying cost for OSPFv3.......................................................................................................................................671
Assigning IPv6 Addresses on an Interface.............................................................................................................671
Assigning Area ID on an Interface...........................................................................................................................671
Assigning OSPFv3 Process ID and Router ID Globally........................................................................................672
Assigning OSPFv3 Process ID and Router ID to a VRF...................................................................................... 672
Conguring Stub Areas........................................................................................................................................... 673
Conguring Passive-Interface................................................................................................................................673
Redistributing Routes.............................................................................................................................................. 673
Conguring a Default Route................................................................................................................................... 674
Enabling OSPFv3 Graceful Restart........................................................................................................................674
OSPFv3 Authentication Using IPsec.....................................................................................................................676
Troubleshooting OSPFv3........................................................................................................................................682
22
Contents










