Administrator Guide

MSDP Sample Configurations......................................................................................................................................... 462
29 Multicast Listener Discovery Protocol...................................................................................... 465
MLD timers........................................................................................................................................................................ 468
Reducing Host Response Burstiness........................................................................................................................468
Configuring MLD Version.................................................................................................................................................469
Clearing MLD groups........................................................................................................................................................ 469
Debugging MLD.................................................................................................................................................................469
Explicit Tracking................................................................................................................................................................ 469
Reducing Leave Latency..................................................................................................................................................469
Displaying MLD groups table........................................................................................................................................... 469
Displaying MLD Interfaces................................................................................................................................................470
MLD Snooping................................................................................................................................................................... 470
Enable MLD Snooping.................................................................................................................................................470
Disable MLD Snooping................................................................................................................................................470
Configure the switch as a querier.............................................................................................................................. 471
Specify port as connected to multicast router.........................................................................................................471
Enable Snooping Explicit Tracking..............................................................................................................................471
Display the MLD Snooping Table................................................................................................................................471
30 Multiple Spanning Tree Protocol (MSTP)..................................................................................472
Spanning Tree Variations..................................................................................................................................................473
Implementation Information....................................................................................................................................... 473
Configure Multiple Spanning Tree Protocol...................................................................................................................473
Related Configuration Tasks...................................................................................................................................... 473
Enable Multiple Spanning Tree Globally..........................................................................................................................474
Adding and Removing Interfaces.................................................................................................................................... 474
Creating Multiple Spanning Tree Instances................................................................................................................... 474
Influencing MSTP Root Selection................................................................................................................................... 475
Interoperate with Non-Dell Bridges................................................................................................................................ 476
Changing the Region Name or Revision.........................................................................................................................476
Modifying Global Parameters...........................................................................................................................................476
Modifying the Interface Parameters............................................................................................................................... 477
Setting STP path cost as constant.................................................................................................................................478
Configuring an EdgePort..................................................................................................................................................478
Flush MAC Addresses after a Topology Change.......................................................................................................... 479
MSTP Sample Configurations..........................................................................................................................................479
Debugging and Verifying MSTP Configurations............................................................................................................483
31 Multicast Features.................................................................................................................. 485
Enabling IP Multicast........................................................................................................................................................ 485
Implementation Information.............................................................................................................................................485
Multicast Policies...............................................................................................................................................................486
IPv4 Multicast Policies................................................................................................................................................486
Understanding Multicast Traceroute (mtrace)............................................................................................................. 492
Printing Multicast Traceroute (mtrace) Paths..............................................................................................................492
Supported Error Codes.................................................................................................................................................... 494
mtrace Scenarios...............................................................................................................................................................494
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