Administrator Guide
First Packet Forwarding for Lossless Multicast................................................................................ 528
Multicast Policies.............................................................................................................................. 528
IPv4 Multicast Policies................................................................................................................ 528
30 Open Shortest Path First (OSPFv2 and OSPFv3)...................................... 536
Protocol Overview............................................................................................................................536
Autonomous System (AS) Areas................................................................................................. 536
Area Types................................................................................................................................... 537
Networks and Neighbors............................................................................................................538
Router Types............................................................................................................................... 538
Designated and Backup Designated Routers............................................................................ 540
Link-State Advertisements (LSAs)...............................................................................................540
Router Priority and Cost............................................................................................................. 542
OSPF with Dell Networking OS........................................................................................................542
Graceful Restart.......................................................................................................................... 543
Fast Convergence (OSPFv2, IPv4 Only)..................................................................................... 544
Multi-Process OSPFv2 (IPv4 only)..............................................................................................544
RFC-2328 Compliant OSPF Flooding........................................................................................ 545
OSPF ACK Packing......................................................................................................................546
Setting OSPF Adjacency with Cisco Routers............................................................................. 546
Configuration Information................................................................................................................547
Configuration Task List for OSPFv2 (OSPF for IPv4)..................................................................547
Sample Configurations for OSPFv2..................................................................................................562
Basic OSPFv2 Router Topology..................................................................................................562
OSPF Area 0 — Gl 1/1 and 1/2.................................................................................................... 562
OSPF Area 0 — Gl 3/1 and 3/2....................................................................................................563
OSPF Area 0 — Gl 2/1 and 2/2....................................................................................................563
Configuration Task List for OSPFv3 (OSPF for IPv6)........................................................................563
Enabling IPv6 Unicast Routing................................................................................................... 564
Assigning IPv6 Addresses on an Interface................................................................................. 564
Assigning Area ID on an Interface..............................................................................................564
Assigning OSPFv3 Process ID and Router ID Globally.............................................................. 565
Configuring Stub Areas...............................................................................................................565
Configuring Passive-Interface....................................................................................................566
Redistributing Routes..................................................................................................................566
Configuring a Default Route.......................................................................................................567
Enabling OSPFv3 Graceful Restart..............................................................................................567
OSPFv3 Authentication Using IPsec...........................................................................................569
Troubleshooting OSPFv3............................................................................................................ 577
31 Policy-based Routing (PBR)..........................................................................579
Overview............................................................................................................................................579