Install Guide

Table Of Contents
Enable Multiple Spanning Tree Globally.................................................................................................................... 568
Adding and Removing Interfaces................................................................................................................................ 568
Creating Multiple Spanning Tree Instances..............................................................................................................568
Influencing MSTP Root Selection...............................................................................................................................569
Interoperate with Non-Dell Bridges............................................................................................................................570
Changing the Region Name or Revision.................................................................................................................... 570
Modifying Global Parameters.......................................................................................................................................570
Modifying the Interface Parameters........................................................................................................................... 571
Setting STP path cost as constant............................................................................................................................ 572
Configuring an EdgePort...............................................................................................................................................573
Flush MAC Addresses after a Topology Change.....................................................................................................573
MSTP Sample Configurations...................................................................................................................................... 573
Debugging and Verifying MSTP Configurations...................................................................................................... 577
Chapter 34: Multicast Features................................................................................................. 579
Enabling IP Multicast......................................................................................................................................................579
Implementation Information..........................................................................................................................................579
Multicast Policies............................................................................................................................................................ 580
IPv4 Multicast Policies.............................................................................................................................................580
Understanding Multicast Traceroute (mtrace)....................................................................................................... 586
Printing Multicast Traceroute (mtrace) Paths........................................................................................................ 586
Supported Error Codes................................................................................................................................................. 588
mtrace Scenarios............................................................................................................................................................ 589
Chapter 35: Multicast Listener Discovery Protocol....................................................................595
MLD timers.......................................................................................................................................................................598
Reducing Host Response Burstiness................................................................................................................... 598
Clearing MLD groups..................................................................................................................................................... 599
Debugging MLD...............................................................................................................................................................599
Explicit Tracking..............................................................................................................................................................599
Reducing Leave Latency...............................................................................................................................................599
Displaying MLD groups table........................................................................................................................................599
Displaying MLD Interfaces............................................................................................................................................600
MLD Snooping................................................................................................................................................................. 600
Enable MLD Snooping..............................................................................................................................................600
Disable MLD Snooping.............................................................................................................................................600
Configure the switch as a querier..........................................................................................................................601
Specify port as connected to multicast router.................................................................................................. 601
Enable Snooping Explicit Tracking.........................................................................................................................601
Display the MLD Snooping Table........................................................................................................................... 601
Chapter 36: Object Tracking..................................................................................................... 602
Object Tracking Overview............................................................................................................................................ 602
Track Layer 2 Interfaces......................................................................................................................................... 603
Track Layer 3 Interfaces......................................................................................................................................... 603
Track IPv4 and IPv6 Routes...................................................................................................................................603
Set Tracking Delays..................................................................................................................................................604
VRRP Object Tracking.............................................................................................................................................605
Object Tracking Configuration.................................................................................................................................... 605
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