Concept Guide

Reducing Leave Latency...............................................................................................................................................603
Displaying MLD groups table........................................................................................................................................603
Displaying MLD Interfaces............................................................................................................................................603
MLD Snooping............................................................................................................................................................... 603
Enable MLD Snooping.............................................................................................................................................604
Disable MLD Snooping............................................................................................................................................604
Congure the switch as a querier..........................................................................................................................604
Specify port as connected to multicast router.................................................................................................... 604
Enable Snooping Explicit Tracking.........................................................................................................................605
Display the MLD Snooping Table...........................................................................................................................605
32 Multiple Spanning Tree Protocol (MSTP)................................................................................................ 606
Protocol Overview.........................................................................................................................................................606
Spanning Tree Variations...............................................................................................................................................607
Implementation Information....................................................................................................................................607
Congure Multiple Spanning Tree Protocol................................................................................................................ 607
Related Conguration Tasks................................................................................................................................... 607
Enable Multiple Spanning Tree Globally...................................................................................................................... 608
Adding and Removing Interfaces.................................................................................................................................608
Creating Multiple Spanning Tree Instances................................................................................................................ 608
Inuencing MSTP Root Selection................................................................................................................................609
Interoperate with Non-Dell Bridges..............................................................................................................................610
Changing the Region Name or Revision......................................................................................................................610
Modifying Global Parameters........................................................................................................................................610
Modifying the Interface Parameters............................................................................................................................ 612
Conguring an EdgePort............................................................................................................................................... 613
Flush MAC Addresses after a Topology Change........................................................................................................ 613
MSTP Sample Congurations.......................................................................................................................................614
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration........................................................................................614
Debugging and Verifying MSTP Congurations.........................................................................................................616
33 Multicast Features....................................................................................................................................618
Enabling IP Multicast..................................................................................................................................................... 618
Implementation Information.......................................................................................................................................... 618
Multicast Policies............................................................................................................................................................619
IPv4 Multicast Policies.............................................................................................................................................619
Understanding Multicast Traceroute (mtrace).......................................................................................................... 626
Important Points to Remember..............................................................................................................................627
Printing Multicast Traceroute (mtrace) Paths............................................................................................................627
Supported Error Codes................................................................................................................................................. 628
mtrace Scenarios...........................................................................................................................................................629
34 Object Tracking....................................................................................................................................... 635
Object Tracking Overview............................................................................................................................................ 635
Track Layer 2 Interfaces..........................................................................................................................................636
Contents
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