Install Guide

Table Of Contents
Configuring MLD Version...............................................................................................................................................481
Clearing MLD groups...................................................................................................................................................... 481
Debugging MLD................................................................................................................................................................481
Explicit Tracking...............................................................................................................................................................481
Reducing Leave Latency................................................................................................................................................481
Displaying MLD groups table........................................................................................................................................482
Displaying MLD Interfaces............................................................................................................................................ 482
Chapter 30: Multiple Spanning Tree Protocol (MSTP)............................................................... 483
Spanning Tree Variations.............................................................................................................................................. 484
Implementation Information....................................................................................................................................484
Configure Multiple Spanning Tree Protocol............................................................................................................. 484
Related Configuration Tasks.................................................................................................................................. 484
Enable Multiple Spanning Tree Globally.................................................................................................................... 485
Adding and Removing Interfaces................................................................................................................................ 485
Creating Multiple Spanning Tree Instances..............................................................................................................485
Influencing MSTP Root Selection............................................................................................................................... 486
Interoperate with Non-Dell Bridges............................................................................................................................486
Changing the Region Name or Revision.................................................................................................................... 487
Modifying Global Parameters....................................................................................................................................... 487
Modifying the Interface Parameters.......................................................................................................................... 488
Setting STP path cost as constant............................................................................................................................ 489
Configuring an EdgePort...............................................................................................................................................489
Flush MAC Addresses after a Topology Change.....................................................................................................490
MSTP Sample Configurations......................................................................................................................................490
Debugging and Verifying MSTP Configurations.......................................................................................................491
Chapter 31: Multicast Features..................................................................................................493
Enabling IP Multicast......................................................................................................................................................493
Implementation Information......................................................................................................................................... 493
Multicast Policies............................................................................................................................................................ 494
IPv4 Multicast Policies.............................................................................................................................................494
Understanding Multicast Traceroute (mtrace)........................................................................................................501
Printing Multicast Traceroute (mtrace) Paths.........................................................................................................501
Supported Error Codes................................................................................................................................................. 503
mtrace Scenarios............................................................................................................................................................ 504
Chapter 32: Multicast Listener Discovery Protocol.................................................................... 510
MLD timers........................................................................................................................................................................513
Reducing Host Response Burstiness.................................................................................................................... 513
Clearing MLD groups...................................................................................................................................................... 514
Debugging MLD................................................................................................................................................................514
Explicit Tracking...............................................................................................................................................................514
Reducing Leave Latency................................................................................................................................................514
Displaying MLD groups table........................................................................................................................................ 514
Displaying MLD Interfaces.............................................................................................................................................515
MLD Snooping..................................................................................................................................................................515
Enable MLD Snooping.............................................................................................................................................. 515
Disable MLD Snooping..............................................................................................................................................515
Contents
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