Setup Guide

Table Of Contents
Printing Multicast Traceroute (mtrace) Paths...................................................................................................515
Supported Error Codes.............................................................................................................................................517
mtrace Scenarios....................................................................................................................................................... 518
Chapter 33: Multicast Listener Discovery Protocol.................................................................... 524
MLD timers....................................................................................................................................................................... 527
Reducing Host Response Burstiness....................................................................................................................527
Clearing MLD groups..................................................................................................................................................... 528
Debugging MLD...............................................................................................................................................................528
Explicit Tracking.............................................................................................................................................................. 528
Reducing Leave Latency............................................................................................................................................... 528
Displaying MLD groups table........................................................................................................................................528
Displaying MLD Interfaces............................................................................................................................................529
MLD Snooping................................................................................................................................................................. 529
Enable MLD Snooping..............................................................................................................................................529
Disable MLD Snooping............................................................................................................................................. 529
Configure the switch as a querier.........................................................................................................................530
Specify port as connected to multicast router..................................................................................................530
Enable Snooping Explicit Tracking........................................................................................................................ 530
Display the MLD Snooping Table.......................................................................................................................... 530
Chapter 34: Object Tracking...................................................................................................... 531
Object Tracking Overview.............................................................................................................................................531
Track Layer 2 Interfaces......................................................................................................................................... 532
Track Layer 3 Interfaces......................................................................................................................................... 532
Track IPv4 and IPv6 Routes...................................................................................................................................532
Set Tracking Delays..................................................................................................................................................533
VRRP Object Tracking............................................................................................................................................. 534
Object Tracking Configuration.....................................................................................................................................534
Tracking a Layer 2 Interface.................................................................................................................................. 534
Tracking a Layer 3 Interface.................................................................................................................................. 535
Track an IPv4/IPv6 Route...................................................................................................................................... 536
Displaying Tracked Objects.......................................................................................................................................... 539
Chapter 35: Open Shortest Path First (OSPFv2 and OSPFv3)....................................................541
Protocol Overview...........................................................................................................................................................541
Autonomous System (AS) Areas........................................................................................................................... 541
Area Types..................................................................................................................................................................542
Networks and Neighbors.........................................................................................................................................543
Router Types..............................................................................................................................................................543
Designated and Backup Designated Routers..................................................................................................... 544
Link-State Advertisements (LSAs).......................................................................................................................544
Router Priority and Cost......................................................................................................................................... 545
OSPF with Dell EMC Networking OS........................................................................................................................ 546
Graceful Restart........................................................................................................................................................546
Fast Convergence (OSPFv2, IPv4 Only).............................................................................................................547
Multi-Process OSPFv2 with VRF..........................................................................................................................548
OSPF ACK Packing...................................................................................................................................................548
Setting OSPF Adjacency with Cisco Routers.................................................................................................... 548
Contents
17