Users Guide

Tracking a Layer 3 Interface...........................................................................................................................583
Track an IPv4/IPv6 Route............................................................................................................................... 585
Displaying Tracked Objects................................................................................................................................. 588
35 Open Shortest Path First (OSPFv2 and OSPFv3)......................................................................................... 590
Protocol Overview.................................................................................................................................................590
Autonomous System (AS) Areas....................................................................................................................590
Area Types..........................................................................................................................................................591
Networks and Neighbors................................................................................................................................592
Router Types..................................................................................................................................................... 592
Designated and Backup Designated Routers.............................................................................................594
Link-State Advertisements (LSAs)................................................................................................................. 594
Router Priority and Cost................................................................................................................................. 595
OSPF with Dell Networking OS...........................................................................................................................596
Graceful Restart................................................................................................................................................ 597
Fast Convergence (OSPFv2, IPv4 Only).......................................................................................................598
Multi-Process OSPFv2 with VRF................................................................................................................... 598
RFC-2328 Compliant OSPF Flooding..........................................................................................................598
OSPF ACK Packing........................................................................................................................................... 599
Setting OSPF Adjacency with Cisco Routers..............................................................................................599
Configuration Information...................................................................................................................................600
Configuration Task List for OSPFv2 (OSPF for IPv4)................................................................................ 600
Sample Configurations for OSPFv2.................................................................................................................... 613
Basic OSPFv2 Router Topology.....................................................................................................................613
OSPF Area 0 — Te 1/1 and 1/2....................................................................................................................... 613
OSPF Area 0 — Te 3/1 and 3/2...................................................................................................................... 614
OSPF Area 0 — Te 2/1 and 2/2...................................................................................................................... 614
Configuration Task List for OSPFv3 (OSPF for IPv6)....................................................................................... 614
Enabling IPv6 Unicast Routing.......................................................................................................................615
Applying cost for OSPFv3............................................................................................................................... 615
Assigning IPv6 Addresses on an Interface...................................................................................................616
Assigning Area ID on an Interface.................................................................................................................616
Assigning OSPFv3 Process ID and Router ID Globally..............................................................................616
Assigning OSPFv3 Process ID and Router ID to a VRF..............................................................................617
Configuring Stub Areas....................................................................................................................................617
Configuring Passive-Interface....................................................................................................................... 618
Redistributing Routes.......................................................................................................................................618
Configuring a Default Route.......................................................................................................................... 618
Enabling OSPFv3 Graceful Restart................................................................................................................619
OSPFv3 Authentication Using IPsec............................................................................................................. 621
Troubleshooting OSPFv3................................................................................................................................627
36 Policy-based Routing (PBR)............................................................................................................................629
Overview..................................................................................................................................................................629
Implementing PBR.................................................................................................................................................630
Configuration Task List for Policy-based Routing..........................................................................................630
PBR Exceptions (Permit)..................................................................................................................................631
9.10(0.0)
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