Setup Guide

32 Open Shortest Path First (OSPFv2 and OSPFv3)....................................................................................546
Protocol Overview.........................................................................................................................................................546
Autonomous System (AS) Areas........................................................................................................................... 546
Area Types................................................................................................................................................................ 547
Networks and Neighbors........................................................................................................................................548
Router Types............................................................................................................................................................ 548
Designated and Backup Designated Routers.......................................................................................................550
Link-State Advertisements (LSAs)........................................................................................................................550
Router Priority and Cost..........................................................................................................................................551
OSPF with Dell EMC Networking OS.........................................................................................................................552
Graceful Restart...................................................................................................................................................... 553
Fast Convergence (OSPFv2, IPv4 Only)..............................................................................................................554
Multi-Process OSPFv2 with VRF..........................................................................................................................554
OSPF ACK Packing................................................................................................................................................. 554
Setting OSPF Adjacency with Cisco Routers...................................................................................................... 554
Conguration Information.............................................................................................................................................555
Conguration Task List for OSPFv2 (OSPF for IPv4)........................................................................................ 555
OSPFv3 NSSA............................................................................................................................................................... 569
NSSA Options..........................................................................................................................................................569
Conguration Task List for OSPFv3 (OSPF for IPv6)...............................................................................................570
Enabling IPv6 Unicast Routing...............................................................................................................................570
Applying cost for OSPFv3.......................................................................................................................................571
Assigning IPv6 Addresses on an Interface............................................................................................................ 571
Assigning Area ID on an Interface...........................................................................................................................571
Assigning OSPFv3 Process ID and Router ID Globally........................................................................................ 572
Assigning OSPFv3 Process ID and Router ID to a VRF...................................................................................... 572
Conguring Stub Areas........................................................................................................................................... 573
Conguring Passive-Interface................................................................................................................................ 573
Redistributing Routes.............................................................................................................................................. 573
Conguring a Default Route................................................................................................................................... 574
Enabling OSPFv3 Graceful Restart........................................................................................................................574
OSPFv3 Authentication Using IPsec.....................................................................................................................576
Troubleshooting OSPFv3........................................................................................................................................582
33 Policy-based Routing (PBR).................................................................................................................... 584
Overview.........................................................................................................................................................................584
Implementing PBR.........................................................................................................................................................585
Conguration Task List for Policy-based Routing......................................................................................................585
PBR Exceptions (Permit)....................................................................................................................................... 585
Create a Redirect List............................................................................................................................................. 586
Create a Rule for a Redirect-list.............................................................................................................................586
Apply a Redirect-list to an Interface using a Redirect-group............................................................................. 588
Sample Conguration....................................................................................................................................................590
Create the Redirect-List GOLDAssign Redirect-List GOLD to Interface 2/11View Redirect-List GOLD...... 591
Contents
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