White Papers

Table Of Contents
Protocol Overview..........................................................................................................................................................599
Autonomous System (AS) Areas...........................................................................................................................599
Area Types..................................................................................................................................................................600
Networks and Neighbors......................................................................................................................................... 601
Router Types.............................................................................................................................................................. 601
Designated and Backup Designated Routers..................................................................................................... 602
Link-State Advertisements (LSAs).......................................................................................................................602
Router Priority and Cost......................................................................................................................................... 603
OSPF with Dell EMC Networking OS........................................................................................................................ 604
Graceful Restart........................................................................................................................................................604
Fast Convergence (OSPFv2, IPv4 Only)............................................................................................................ 605
Multi-Process OSPFv2 with VRF..........................................................................................................................606
RFC-2328 Compliant OSPF Flooding.................................................................................................................. 606
OSPF ACK Packing...................................................................................................................................................607
Setting OSPF Adjacency with Cisco Routers.................................................................................................... 607
Configuration Information.............................................................................................................................................608
Configuration Task List for OSPFv2 (OSPF for IPv4).....................................................................................608
OSPFv3 NSSA................................................................................................................................................................. 620
Configuration Task List for OSPFv3 (OSPF for IPv6)........................................................................................... 621
Enabling IPv6 Unicast Routing............................................................................................................................... 621
Assigning IPv6 Addresses on an Interface...........................................................................................................621
Assigning Area ID on an Interface......................................................................................................................... 622
Assigning OSPFv3 Process ID and Router ID Globally.....................................................................................622
Assigning OSPFv3 Process ID and Router ID to a VRF................................................................................... 622
Applying cost for OSPFv3.......................................................................................................................................623
Configuring Stub Areas............................................................................................................................................623
Configuring Passive-Interface............................................................................................................................... 623
Redistributing Routes...............................................................................................................................................624
Configuring a Default Route...................................................................................................................................624
Applying cost for OSPFv3.......................................................................................................................................624
Enabling OSPFv3 Graceful Restart...................................................................................................................... 625
OSPFv3 Authentication Using IPsec.................................................................................................................... 627
Troubleshooting OSPFv3........................................................................................................................................ 632
MIB Support for OSPFv3..............................................................................................................................................633
Viewing the OSPFv3 MIB........................................................................................................................................634
Chapter 36: Policy-based Routing (PBR)...................................................................................635
Overview...........................................................................................................................................................................635
Implementing PBR.......................................................................................................................................................... 636
Configuration Task List for Policy-based Routing.................................................................................................. 636
Create a Redirect List.............................................................................................................................................. 637
Create a Rule for a Redirect-list............................................................................................................................637
Apply a Redirect-list to an Interface using a Redirect-group.........................................................................639
Sample Configuration..................................................................................................................................................... 641
Chapter 37: PIM Sparse-Mode (PIM-SM).................................................................................. 645
Implementation Information......................................................................................................................................... 645
Protocol Overview..........................................................................................................................................................645
Requesting Multicast Traffic..................................................................................................................................645
Contents
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