Users Guide

Table Of Contents
MLD timers....................................................................................................................................................................... 577
Reducing Host Response Burstiness....................................................................................................................577
Configuring MLD Version.............................................................................................................................................. 578
Clearing MLD groups......................................................................................................................................................578
Debugging MLD...............................................................................................................................................................578
Explicit Tracking.............................................................................................................................................................. 578
Reducing Leave Latency............................................................................................................................................... 578
Displaying MLD groups table........................................................................................................................................579
Displaying MLD Interfaces............................................................................................................................................ 579
Chapter 34: Multiple Spanning Tree Protocol (MSTP)............................................................... 580
Spanning Tree Variations...............................................................................................................................................581
Implementation Information.................................................................................................................................... 581
Configure Multiple Spanning Tree Protocol.............................................................................................................. 581
Related Configuration Tasks................................................................................................................................... 581
Enable Multiple Spanning Tree Globally.................................................................................................................... 582
Adding and Removing Interfaces................................................................................................................................ 582
Creating Multiple Spanning Tree Instances..............................................................................................................582
Influencing MSTP Root Selection...............................................................................................................................583
Interoperate with Non-Dell Bridges............................................................................................................................584
Changing the Region Name or Revision....................................................................................................................584
Modifying Global Parameters.......................................................................................................................................584
Modifying the Interface Parameters.......................................................................................................................... 585
Setting STP path cost as constant............................................................................................................................ 586
Configuring an EdgePort...............................................................................................................................................587
Flush MAC Addresses after a Topology Change.....................................................................................................587
MSTP Sample Configurations...................................................................................................................................... 587
Debugging and Verifying MSTP Configurations.......................................................................................................591
Chapter 35: Multicast Features................................................................................................. 593
Enabling IP Multicast..................................................................................................................................................... 593
Implementation Information......................................................................................................................................... 593
Multicast Policies............................................................................................................................................................ 594
IPv4 Multicast Policies.............................................................................................................................................594
Understanding Multicast Traceroute (mtrace)....................................................................................................... 600
Printing Multicast Traceroute (mtrace) Paths........................................................................................................600
Supported Error Codes................................................................................................................................................. 602
mtrace Scenarios............................................................................................................................................................ 603
Chapter 36: Multicast Listener Discovery Protocol....................................................................609
MLD timers........................................................................................................................................................................612
Reducing Host Response Burstiness.................................................................................................................... 612
Clearing MLD groups...................................................................................................................................................... 613
Debugging MLD................................................................................................................................................................613
Explicit Tracking...............................................................................................................................................................613
Reducing Leave Latency................................................................................................................................................613
Displaying MLD groups table........................................................................................................................................ 613
Displaying MLD Interfaces.............................................................................................................................................614
MLD Snooping.................................................................................................................................................................. 614
18
Contents