Install Guide

Table Of Contents
Chapter 30: Multicast Listener Discovery Protocol....................................................................536
MLD timers.......................................................................................................................................................................539
Reducing Host Response Burstiness....................................................................................................................539
Configuring MLD Version..............................................................................................................................................540
Clearing MLD groups..................................................................................................................................................... 540
Debugging MLD...............................................................................................................................................................540
Explicit Tracking..............................................................................................................................................................540
Reducing Leave Latency...............................................................................................................................................540
Displaying MLD groups table........................................................................................................................................ 541
Displaying MLD Interfaces.............................................................................................................................................541
MLD Snooping.................................................................................................................................................................. 541
Enable MLD Snooping..............................................................................................................................................542
Disable MLD Snooping............................................................................................................................................. 542
Configure the switch as a querier.........................................................................................................................542
Specify port as connected to multicast router..................................................................................................542
Enable Snooping Explicit Tracking........................................................................................................................ 542
Display the MLD Snooping Table.......................................................................................................................... 543
Chapter 31: Multiple Spanning Tree Protocol (MSTP)................................................................544
Spanning Tree Variations..............................................................................................................................................545
Implementation Information................................................................................................................................... 545
Configure Multiple Spanning Tree Protocol............................................................................................................. 545
Related Configuration Tasks.................................................................................................................................. 545
Enable Multiple Spanning Tree Globally.................................................................................................................... 546
Adding and Removing Interfaces................................................................................................................................ 546
Creating Multiple Spanning Tree Instances..............................................................................................................546
Influencing MSTP Root Selection...............................................................................................................................548
Interoperate with Non-Dell Bridges............................................................................................................................548
Changing the Region Name or Revision....................................................................................................................548
Modifying Global Parameters.......................................................................................................................................549
Modifying the Interface Parameters..........................................................................................................................550
Setting STP path cost as constant.............................................................................................................................551
Configuring an EdgePort............................................................................................................................................... 551
Flush MAC Addresses after a Topology Change.................................................................................................... 552
MSTP Sample Configurations......................................................................................................................................552
Debugging and Verifying MSTP Configurations......................................................................................................556
Chapter 32: Multicast Features................................................................................................. 558
Enabling IP Multicast..................................................................................................................................................... 558
Implementation Information......................................................................................................................................... 558
Multicast Policies............................................................................................................................................................559
IPv4 Multicast Policies.............................................................................................................................................559
Understanding Multicast Traceroute (mtrace)....................................................................................................... 566
Printing Multicast Traceroute (mtrace) Paths........................................................................................................566
Supported Error Codes................................................................................................................................................. 568
mtrace Scenarios............................................................................................................................................................ 569
Chapter 33: Object Tracking......................................................................................................575
Contents
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