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Table Of Contents
Enable Multiple Spanning Tree Globally.....................................................................................................................567
Adding and Removing Interfaces................................................................................................................................ 567
Creating Multiple Spanning Tree Instances..............................................................................................................567
Influencing MSTP Root Selection...............................................................................................................................568
Interoperate with Non-Dell Bridges............................................................................................................................569
Changing the Region Name or Revision....................................................................................................................569
Modifying Global Parameters.......................................................................................................................................569
Modifying the Interface Parameters.......................................................................................................................... 570
Setting STP path cost as constant............................................................................................................................. 571
Configuring an EdgePort...............................................................................................................................................572
Flush MAC Addresses after a Topology Change.....................................................................................................572
MSTP Sample Configurations...................................................................................................................................... 572
Debugging and Verifying MSTP Configurations...................................................................................................... 576
Chapter 34: Multicast Features................................................................................................. 578
Enabling IP Multicast......................................................................................................................................................578
Implementation Information..........................................................................................................................................578
Multicast Policies............................................................................................................................................................ 579
IPv4 Multicast Policies.............................................................................................................................................579
Understanding Multicast Traceroute (mtrace)....................................................................................................... 585
Printing Multicast Traceroute (mtrace) Paths........................................................................................................585
Supported Error Codes..................................................................................................................................................587
mtrace Scenarios............................................................................................................................................................ 588
Chapter 35: Multicast Listener Discovery Protocol....................................................................594
MLD timers....................................................................................................................................................................... 597
Reducing Host Response Burstiness....................................................................................................................597
Clearing MLD groups..................................................................................................................................................... 598
Debugging MLD...............................................................................................................................................................598
Explicit Tracking..............................................................................................................................................................598
Reducing Leave Latency...............................................................................................................................................598
Displaying MLD groups table........................................................................................................................................598
Displaying MLD Interfaces............................................................................................................................................599
MLD Snooping................................................................................................................................................................. 599
Enable MLD Snooping..............................................................................................................................................599
Disable MLD Snooping.............................................................................................................................................599
Configure the switch as a querier.........................................................................................................................600
Specify port as connected to multicast router..................................................................................................600
Enable Snooping Explicit Tracking........................................................................................................................600
Display the MLD Snooping Table.......................................................................................................................... 600
Chapter 36: Object Tracking...................................................................................................... 601
Object Tracking Overview.............................................................................................................................................601
Track Layer 2 Interfaces......................................................................................................................................... 602
Track Layer 3 Interfaces......................................................................................................................................... 602
Track IPv4 and IPv6 Routes...................................................................................................................................602
Set Tracking Delays..................................................................................................................................................603
VRRP Object Tracking.............................................................................................................................................604
Object Tracking Configuration.................................................................................................................................... 604
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