Concept Guide

Implementation Information..........................................................................................................................................575
Congure Multicast Source Discovery Protocol........................................................................................................575
Related Conguration Tasks................................................................................................................................... 575
Enable MSDP................................................................................................................................................................. 579
Manage the Source-Active Cache..............................................................................................................................580
Viewing the Source-Active Cache........................................................................................................................ 580
Limiting the Source-Active Cache.........................................................................................................................580
Clearing the Source-Active Cache.........................................................................................................................581
Enabling the Rejected Source-Active Cache........................................................................................................581
Accept Source-Active Messages that Fail the RFP Check...................................................................................... 581
Specifying Source-Active Messages...........................................................................................................................584
Limiting the Source-Active Messages from a Peer...................................................................................................585
Preventing MSDP from Caching a Local Source.......................................................................................................585
Preventing MSDP from Caching a Remote Source.................................................................................................. 586
Preventing MSDP from Advertising a Local Source................................................................................................. 586
Logging Changes in Peership States...........................................................................................................................587
Terminating a Peership..................................................................................................................................................587
Clearing Peer Statistics.................................................................................................................................................588
Debugging MSDP..........................................................................................................................................................588
MSDP with Anycast RP................................................................................................................................................589
Conguring Anycast RP............................................................................................................................................... 590
Reducing Source-Active Message Flooding......................................................................................................... 591
Specifying the RP Address Used in SA Messages...............................................................................................591
MSDP Sample Congurations......................................................................................................................................593
31 Multiple Spanning Tree Protocol (MSTP)................................................................................................. 596
Protocol Overview.........................................................................................................................................................596
Spanning Tree Variations...............................................................................................................................................597
Implementation Information....................................................................................................................................597
Congure Multiple Spanning Tree Protocol................................................................................................................ 597
Related Conguration Tasks................................................................................................................................... 597
Enable Multiple Spanning Tree Globally...................................................................................................................... 598
Adding and Removing Interfaces.................................................................................................................................598
Creating Multiple Spanning Tree Instances................................................................................................................ 598
Inuencing MSTP Root Selection............................................................................................................................... 600
Interoperate with Non-Dell Bridges.............................................................................................................................600
Changing the Region Name or Revision.....................................................................................................................600
Modifying Global Parameters........................................................................................................................................601
Modifying the Interface Parameters........................................................................................................................... 602
Conguring an EdgePort.............................................................................................................................................. 603
Flush MAC Addresses after a Topology Change....................................................................................................... 604
MSTP Sample Congurations......................................................................................................................................604
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration.......................................................................................604
Debugging and Verifying MSTP Congurations........................................................................................................ 607
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