Administrator Guide

Protocol Overview.........................................................................................................................................................544
Autonomous System (AS) Areas........................................................................................................................... 544
Area Types................................................................................................................................................................ 545
Networks and Neighbors........................................................................................................................................546
Router Types............................................................................................................................................................ 546
Designated and Backup Designated Routers....................................................................................................... 548
Link-State Advertisements (LSAs)........................................................................................................................548
Router Priority and Cost.........................................................................................................................................549
OSPF with Dell Networking OS...................................................................................................................................550
Graceful Restart....................................................................................................................................................... 551
Fast Convergence (OSPFv2, IPv4 Only)..............................................................................................................552
Multi-Process OSPFv2 with VRF..........................................................................................................................552
OSPF ACK Packing................................................................................................................................................. 552
Setting OSPF Adjacency with Cisco Routers...................................................................................................... 552
Conguration Information.............................................................................................................................................553
Conguration Task List for OSPFv2 (OSPF for IPv4)........................................................................................ 553
Conguration Task List for OSPFv3 (OSPF for IPv6)...............................................................................................567
Enabling IPv6 Unicast Routing...............................................................................................................................568
Applying cost for OSPFv3......................................................................................................................................568
Assigning IPv6 Addresses on an Interface........................................................................................................... 569
Assigning Area ID on an Interface..........................................................................................................................569
Assigning OSPFv3 Process ID and Router ID Globally........................................................................................569
Assigning OSPFv3 Process ID and Router ID to a VRF...................................................................................... 570
Conguring Stub Areas........................................................................................................................................... 570
Conguring Passive-Interface.................................................................................................................................571
Redistributing Routes...............................................................................................................................................571
Conguring a Default Route....................................................................................................................................571
Enabling OSPFv3 Graceful Restart....................................................................................................................... 572
OSPFv3 Authentication Using IPsec..................................................................................................................... 574
Troubleshooting OSPFv3........................................................................................................................................580
34 Policy-based Routing (PBR).................................................................................................................... 582
Overview.........................................................................................................................................................................582
Implementing PBR.........................................................................................................................................................583
Conguration Task List for Policy-based Routing......................................................................................................583
PBR Exceptions (Permit)....................................................................................................................................... 583
Create a Redirect List..............................................................................................................................................584
Create a Rule for a Redirect-list.............................................................................................................................584
Apply a Redirect-list to an Interface using a Redirect-group............................................................................. 586
Sample Conguration....................................................................................................................................................588
Create the Redirect-List GOLDAssign Redirect-List GOLD to Interface 2/11View Redirect-List GOLD..... 589
35 PIM Sparse-Mode (PIM-SM).................................................................................................................. 592
Implementation Information..........................................................................................................................................592
Protocol Overview.........................................................................................................................................................592
Requesting Multicast Trac...................................................................................................................................592
Contents
19