Users Guide

Track Layer 2 Interfaces..........................................................................................................................................571
Track Layer 3 Interfaces..........................................................................................................................................571
Track IPv4 and IPv6 Routes...................................................................................................................................572
Set Tracking Delays.................................................................................................................................................573
VRRP Object Tracking............................................................................................................................................573
Object Tracking Configuration.....................................................................................................................................573
Tracking a Layer 2 Interface...................................................................................................................................573
Tracking a Layer 3 Interface...................................................................................................................................574
Track an IPv4/IPv6 Route......................................................................................................................................576
Displaying Tracked Objects.......................................................................................................................................... 579
32 Open Shortest Path First (OSPFv2 and OSPFv3)....................................................................................581
Protocol Overview......................................................................................................................................................... 581
Autonomous System (AS) Areas........................................................................................................................... 581
Area Types................................................................................................................................................................582
Networks and Neighbors........................................................................................................................................583
Router Types............................................................................................................................................................583
Designated and Backup Designated Routers.......................................................................................................585
Link-State Advertisements (LSAs).......................................................................................................................585
Router Priority and Cost.........................................................................................................................................586
OSPF with Dell Networking OS...................................................................................................................................587
Graceful Restart...................................................................................................................................................... 588
Fast Convergence (OSPFv2, IPv4 Only)............................................................................................................. 589
Multi-Process OSPFv2 with VRF..........................................................................................................................589
RFC-2328 Compliant OSPF Flooding...................................................................................................................589
OSPF ACK Packing.................................................................................................................................................590
Setting OSPF Adjacency with Cisco Routers......................................................................................................590
Configuration Information............................................................................................................................................. 591
Configuration Task List for OSPFv2 (OSPF for IPv4)........................................................................................591
Configuration Task List for OSPFv3 (OSPF for IPv6).............................................................................................605
Enabling IPv6 Unicast Routing.............................................................................................................................. 606
Applying cost for OSPFv3......................................................................................................................................606
Assigning IPv6 Addresses on an Interface...........................................................................................................606
Assigning Area ID on an Interface..........................................................................................................................607
Assigning OSPFv3 Process ID and Router ID Globally........................................................................................607
Assigning OSPFv3 Process ID and Router ID to a VRF..................................................................................... 608
Configuring Stub Areas...........................................................................................................................................608
Configuring Passive-Interface............................................................................................................................... 608
Redistributing Routes............................................................................................................................................. 609
Configuring a Default Route.................................................................................................................................. 609
Enabling OSPFv3 Graceful Restart....................................................................................................................... 610
OSPFv3 Authentication Using IPsec..................................................................................................................... 612
Troubleshooting OSPFv3........................................................................................................................................618
33 Policy-based Routing (PBR)....................................................................................................................620
Overview........................................................................................................................................................................ 620
20
Contents