Concept Guide

Specifying the RP Address Used in SA Messages...............................................................................................601
MSDP Sample Congurations......................................................................................................................................603
35 Multicast Listener Discovery Protocol..................................................................................................... 606
MLD Version 1................................................................................................................................................................ 606
MLD Querier Router......................................................................................................................................................606
Joining a Multicast Group............................................................................................................................................. 607
Leaving a Multicast Group............................................................................................................................................607
MLD version 2................................................................................................................................................................607
MLD timers.....................................................................................................................................................................609
Reducing Host Response Burstiness.....................................................................................................................610
Conguring MLD Version.............................................................................................................................................. 610
Clearing MLD groups..................................................................................................................................................... 610
Debugging MLD..............................................................................................................................................................610
Explicit Tracking..............................................................................................................................................................610
Reducing Leave Latency................................................................................................................................................ 611
Displaying MLD groups table......................................................................................................................................... 611
Displaying MLD Interfaces..............................................................................................................................................611
33 Multiple Spanning Tree Protocol (MSTP)................................................................................................. 612
Protocol Overview..........................................................................................................................................................612
Spanning Tree Variations............................................................................................................................................... 613
Implementation Information.................................................................................................................................... 613
Congure Multiple Spanning Tree Protocol.................................................................................................................613
Related Conguration Tasks....................................................................................................................................614
Enable Multiple Spanning Tree Globally....................................................................................................................... 614
Adding and Removing Interfaces..................................................................................................................................614
Creating Multiple Spanning Tree Instances.................................................................................................................615
Inuencing MSTP Root Selection................................................................................................................................ 616
Interoperate with Non-Dell Bridges..............................................................................................................................616
Changing the Region Name or Revision...................................................................................................................... 617
Modifying Global Parameters........................................................................................................................................617
Modifying the Interface Parameters............................................................................................................................ 618
Setting STP path cost as constant..............................................................................................................................619
Conguring an EdgePort.............................................................................................................................................. 620
Flush MAC Addresses after a Topology Change....................................................................................................... 620
MSTP Sample Congurations.......................................................................................................................................621
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration........................................................................................621
Debugging and Verifying MSTP Congurations........................................................................................................ 624
34 Multicast Features................................................................................................................................... 626
Enabling IP Multicast.....................................................................................................................................................626
Implementation Information..........................................................................................................................................626
Multicast Policies........................................................................................................................................................... 627
IPv4 Multicast Policies............................................................................................................................................ 627
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