White Papers

Table Of Contents
Chapter 30: Multicast Listener Discovery Protocol....................................................................535
MLD timers.......................................................................................................................................................................538
Reducing Host Response Burstiness....................................................................................................................538
Configuring MLD Version..............................................................................................................................................539
Clearing MLD groups..................................................................................................................................................... 539
Debugging MLD...............................................................................................................................................................539
Explicit Tracking..............................................................................................................................................................539
Reducing Leave Latency............................................................................................................................................... 539
Displaying MLD groups table........................................................................................................................................540
Displaying MLD Interfaces............................................................................................................................................540
MLD Snooping................................................................................................................................................................. 540
Enable MLD Snooping...............................................................................................................................................541
Disable MLD Snooping..............................................................................................................................................541
Configure the switch as a querier..........................................................................................................................541
Specify port as connected to multicast router...................................................................................................541
Enable Snooping Explicit Tracking.........................................................................................................................541
Display the MLD Snooping Table.......................................................................................................................... 542
Chapter 31: Multiple Spanning Tree Protocol (MSTP)................................................................543
Spanning Tree Variations.............................................................................................................................................. 544
Implementation Information....................................................................................................................................544
Configure Multiple Spanning Tree Protocol............................................................................................................. 544
Related Configuration Tasks.................................................................................................................................. 544
Enable Multiple Spanning Tree Globally.................................................................................................................... 545
Adding and Removing Interfaces................................................................................................................................ 545
Creating Multiple Spanning Tree Instances..............................................................................................................545
Influencing MSTP Root Selection............................................................................................................................... 547
Interoperate with Non-Dell Bridges............................................................................................................................547
Changing the Region Name or Revision.................................................................................................................... 547
Modifying Global Parameters.......................................................................................................................................548
Modifying the Interface Parameters.......................................................................................................................... 549
Setting STP path cost as constant............................................................................................................................ 550
Configuring an EdgePort.............................................................................................................................................. 550
Flush MAC Addresses after a Topology Change..................................................................................................... 551
MSTP Sample Configurations...................................................................................................................................... 551
Debugging and Verifying MSTP Configurations......................................................................................................555
Chapter 32: Multicast Features................................................................................................. 557
Enabling IP Multicast......................................................................................................................................................557
Implementation Information......................................................................................................................................... 557
Multicast Policies............................................................................................................................................................ 558
IPv4 Multicast Policies.............................................................................................................................................558
Understanding Multicast Traceroute (mtrace)....................................................................................................... 565
Printing Multicast Traceroute (mtrace) Paths........................................................................................................565
Supported Error Codes..................................................................................................................................................567
mtrace Scenarios............................................................................................................................................................ 568
Chapter 33: Object Tracking......................................................................................................574
Contents
17