Connectivity Guide

Table Of Contents
Debugging and Verifying MSTP Configurations.......................................................................................................561
Chapter 32: Multicast Features................................................................................................. 563
Enabling IP Multicast..................................................................................................................................................... 563
Implementation Information......................................................................................................................................... 563
Multicast Policies............................................................................................................................................................ 564
IPv4 Multicast Policies.............................................................................................................................................564
Understanding Multicast Traceroute (mtrace)........................................................................................................ 571
Printing Multicast Traceroute (mtrace) Paths.........................................................................................................571
Supported Error Codes..................................................................................................................................................573
mtrace Scenarios............................................................................................................................................................ 574
Chapter 33: Object Tracking..................................................................................................... 580
Object Tracking Overview............................................................................................................................................ 580
Track Layer 2 Interfaces.......................................................................................................................................... 581
Track Layer 3 Interfaces.......................................................................................................................................... 581
Track IPv4 and IPv6 Routes....................................................................................................................................581
Set Tracking Delays..................................................................................................................................................582
VRRP Object Tracking............................................................................................................................................. 583
Object Tracking Configuration.....................................................................................................................................583
Tracking a Layer 2 Interface.................................................................................................................................. 583
Tracking a Layer 3 Interface.................................................................................................................................. 584
Track an IPv4/IPv6 Route...................................................................................................................................... 585
Displaying Tracked Objects.......................................................................................................................................... 588
Chapter 34: Open Shortest Path First (OSPFv2 and OSPFv3)................................................... 590
Protocol Overview..........................................................................................................................................................590
Autonomous System (AS) Areas...........................................................................................................................590
Area Types...................................................................................................................................................................591
Networks and Neighbors.........................................................................................................................................592
Router Types..............................................................................................................................................................592
Designated and Backup Designated Routers..................................................................................................... 593
Link-State Advertisements (LSAs).......................................................................................................................593
Router Priority and Cost......................................................................................................................................... 594
OSPF with Dell EMC Networking OS........................................................................................................................ 595
Graceful Restart........................................................................................................................................................595
Fast Convergence (OSPFv2, IPv4 Only)............................................................................................................ 596
Multi-Process OSPFv2 with VRF..........................................................................................................................597
RFC-2328 Compliant OSPF Flooding...................................................................................................................597
OSPF ACK Packing...................................................................................................................................................598
Setting OSPF Adjacency with Cisco Routers.................................................................................................... 598
Configuration Information.............................................................................................................................................599
Configuration Task List for OSPFv2 (OSPF for IPv4).....................................................................................599
OSPFv3 NSSA...................................................................................................................................................................611
Configuration Task List for OSPFv3 (OSPF for IPv6)............................................................................................ 611
Enabling IPv6 Unicast Routing............................................................................................................................... 612
Applying cost for OSPFv3....................................................................................................................................... 612
Assigning IPv6 Addresses on an Interface...........................................................................................................613
Assigning Area ID on an Interface..........................................................................................................................613
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Contents