Configuration manual

Implementation Information............................................................................................................526
First Packet Forwarding for Lossless Multicast................................................................................ 527
Multicast Policies...............................................................................................................................527
IPv4 Multicast Policies.................................................................................................................527
31 Open Shortest Path First (OSPFv2 and OSPFv3).......................................535
Protocol Overview............................................................................................................................ 535
Autonomous System (AS) Areas................................................................................................. 535
Area Types...................................................................................................................................536
Networks and Neighbors............................................................................................................ 537
Router Types................................................................................................................................537
Designated and Backup Designated Routers............................................................................ 539
Link-State Advertisements (LSAs)............................................................................................... 539
Router Priority and Cost..............................................................................................................541
OSPF with Dell Networking OS........................................................................................................ 541
Graceful Restart.......................................................................................................................... 542
Fast Convergence (OSPFv2, IPv4 Only)..................................................................................... 543
Multi-Process OSPFv2 (IPv4 only)..............................................................................................543
RFC-2328 Compliant OSPF Flooding........................................................................................ 544
OSPF ACK Packing...................................................................................................................... 545
Setting OSPF Adjacency with Cisco Routers............................................................................. 545
Configuration Information............................................................................................................... 546
Configuration Task List for OSPFv2 (OSPF for IPv4)..................................................................546
Sample Configurations for OSPFv2..................................................................................................561
Basic OSPFv2 Router Topology..................................................................................................561
OSPF Area 0 — Gl 1/1 and 1/2.....................................................................................................561
OSPF Area 0 — Gl 3/1 and 3/2....................................................................................................562
OSPF Area 0 — Gl 2/1 and 2/2....................................................................................................562
Configuration Task List for OSPFv3 (OSPF for IPv6)........................................................................562
Enabling IPv6 Unicast Routing................................................................................................... 563
Assigning IPv6 Addresses on an Interface................................................................................. 563
Assigning Area ID on an Interface.............................................................................................. 563
Assigning OSPFv3 Process ID and Router ID Globally.............................................................. 564
Configuring Stub Areas...............................................................................................................564
Configuring Passive-Interface....................................................................................................565
Redistributing Routes..................................................................................................................565
Configuring a Default Route...................................................................................................... 566
Enabling OSPFv3 Graceful Restart............................................................................................. 566
OSPFv3 Authentication Using IPsec...........................................................................................568
Troubleshooting OSPFv3............................................................................................................576
32 Policy-based Routing (PBR)......................................................................... 578