White Papers

Table Of Contents
Disable MLD Snooping.............................................................................................................................................558
Configure the switch as a querier.........................................................................................................................558
Specify port as connected to multicast router..................................................................................................558
Enable Snooping Explicit Tracking........................................................................................................................558
Display the MLD Snooping Table.......................................................................................................................... 559
Chapter 32: Multiple Spanning Tree Protocol (MSTP)............................................................... 560
Spanning Tree Variations...............................................................................................................................................561
Implementation Information.................................................................................................................................... 561
Configure Multiple Spanning Tree Protocol..............................................................................................................561
Related Configuration Tasks...................................................................................................................................561
Enable Multiple Spanning Tree Globally.................................................................................................................... 562
Adding and Removing Interfaces................................................................................................................................ 562
Creating Multiple Spanning Tree Instances..............................................................................................................562
Influencing MSTP Root Selection............................................................................................................................... 563
Interoperate with Non-Dell Bridges............................................................................................................................563
Changing the Region Name or Revision....................................................................................................................564
Modifying Global Parameters.......................................................................................................................................564
Modifying the Interface Parameters..........................................................................................................................565
Setting STP path cost as constant............................................................................................................................ 566
Configuring an EdgePort.............................................................................................................................................. 566
Flush MAC Addresses after a Topology Change.....................................................................................................567
MSTP Sample Configurations...................................................................................................................................... 567
Debugging and Verifying MSTP Configurations......................................................................................................569
Chapter 33: Multicast Features..................................................................................................571
Enabling IP Multicast...................................................................................................................................................... 571
Implementation Information.......................................................................................................................................... 571
Multicast Policies............................................................................................................................................................ 572
IPv4 Multicast Policies.............................................................................................................................................572
Understanding Multicast Traceroute (mtrace)....................................................................................................... 579
Printing Multicast Traceroute (mtrace) Paths........................................................................................................ 579
Supported Error Codes.................................................................................................................................................. 581
mtrace Scenarios............................................................................................................................................................ 582
Chapter 34: Object Tracking......................................................................................................588
Object Tracking Overview............................................................................................................................................ 588
Track Layer 2 Interfaces......................................................................................................................................... 589
Track Layer 3 Interfaces......................................................................................................................................... 589
Track IPv4 and IPv6 Routes...................................................................................................................................589
Set Tracking Delays..................................................................................................................................................590
VRRP Object Tracking..............................................................................................................................................591
Object Tracking Configuration..................................................................................................................................... 591
Tracking a Layer 2 Interface................................................................................................................................... 591
Tracking a Layer 3 Interface.................................................................................................................................. 592
Track an IPv4/IPv6 Route...................................................................................................................................... 593
Displaying Tracked Objects.......................................................................................................................................... 596
Chapter 35: Open Shortest Path First (OSPFv2 and OSPFv3)................................................... 599
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