Setup Guide

Table Of Contents
Preventing MSDP from Caching a Local Source.................................................................................................... 479
Preventing MSDP from Caching a Remote Source............................................................................................... 480
Preventing MSDP from Advertising a Local Source.............................................................................................. 480
Logging Changes in Peership States.......................................................................................................................... 481
Terminating a Peership...................................................................................................................................................481
Clearing Peer Statistics..................................................................................................................................................481
Debugging MSDP............................................................................................................................................................482
MSDP with Anycast RP.................................................................................................................................................482
Configuring Anycast RP................................................................................................................................................ 483
Reducing Source-Active Message Flooding....................................................................................................... 484
Specifying the RP Address Used in SA Messages............................................................................................ 484
MSDP Sample Configurations......................................................................................................................................486
Chapter 30: Multicast Listener Discovery Protocol....................................................................489
MLD timers.......................................................................................................................................................................492
Reducing Host Response Burstiness....................................................................................................................492
Configuring MLD Version..............................................................................................................................................493
Clearing MLD groups......................................................................................................................................................493
Debugging MLD...............................................................................................................................................................493
Explicit Tracking.............................................................................................................................................................. 493
Reducing Leave Latency............................................................................................................................................... 493
Displaying MLD groups table........................................................................................................................................494
Displaying MLD Interfaces............................................................................................................................................ 494
Chapter 31: Multiple Spanning Tree Protocol (MSTP)............................................................... 495
Spanning Tree Variations.............................................................................................................................................. 496
Implementation Information....................................................................................................................................496
Configure Multiple Spanning Tree Protocol............................................................................................................. 496
Related Configuration Tasks.................................................................................................................................. 496
Enable Multiple Spanning Tree Globally.....................................................................................................................497
Adding and Removing Interfaces................................................................................................................................ 497
Creating Multiple Spanning Tree Instances.............................................................................................................. 497
Influencing MSTP Root Selection............................................................................................................................... 498
Interoperate with Non-Dell Bridges............................................................................................................................499
Changing the Region Name or Revision....................................................................................................................499
Modifying Global Parameters.......................................................................................................................................499
Modifying the Interface Parameters..........................................................................................................................500
Setting STP path cost as constant.............................................................................................................................501
Configuring an EdgePort...............................................................................................................................................502
Flush MAC Addresses after a Topology Change.................................................................................................... 502
MSTP Sample Configurations......................................................................................................................................502
Debugging and Verifying MSTP Configurations......................................................................................................506
Chapter 32: Multicast Features................................................................................................. 508
Enabling IP Multicast..................................................................................................................................................... 508
Implementation Information......................................................................................................................................... 508
Multicast Policies............................................................................................................................................................509
IPv4 Multicast Policies.............................................................................................................................................509
Understanding Multicast Traceroute (mtrace).................................................................................................. 515
16
Contents