Concept Guide

Protocol Overview.........................................................................................................................................................509
Anycast RP.......................................................................................................................................................................511
Implementation Information.......................................................................................................................................... 512
Congure the Multicast Source Discovery Protocol..................................................................................................512
Related Conguration Tasks....................................................................................................................................512
Enabling MSDP...............................................................................................................................................................516
Manage the Source-Active Cache............................................................................................................................... 517
Viewing the Source-Active Cache..........................................................................................................................517
Limiting the Source-Active Cache..........................................................................................................................517
Clearing the Source-Active Cache.........................................................................................................................518
Enabling the Rejected Source-Active Cache........................................................................................................518
Accept Source-Active Messages that Fail the RFP Check...................................................................................... 518
Specifying Source-Active Messages...........................................................................................................................522
Limiting the Source-Active Messages from a Peer...................................................................................................523
Preventing MSDP from Caching a Local Source.......................................................................................................523
Preventing MSDP from Caching a Remote Source.................................................................................................. 524
Preventing MSDP from Advertising a Local Source..................................................................................................524
Logging Changes in Peership States...........................................................................................................................525
Terminating a Peership..................................................................................................................................................525
Clearing Peer Statistics.................................................................................................................................................526
Debugging MSDP.......................................................................................................................................................... 526
MSDP with Anycast RP................................................................................................................................................527
Conguring Anycast RP................................................................................................................................................528
Reducing Source-Active Message Flooding.........................................................................................................529
Specifying the RP Address Used in SA Messages.............................................................................................. 529
MSDP Sample Congurations...................................................................................................................................... 531
36 Multiple Spanning Tree Protocol (MSTP)................................................................................................ 534
Protocol Overview.........................................................................................................................................................534
Spanning Tree Variations.............................................................................................................................................. 535
Implementation Information......................................................................................................................................... 535
Congure Multiple Spanning Tree Protocol................................................................................................................535
Related Conguration Tasks...................................................................................................................................535
Enable Multiple Spanning Tree Globally...................................................................................................................... 536
Creating Multiple Spanning Tree Instances................................................................................................................ 536
Inuencing MSTP Root Selection................................................................................................................................537
Interoperate with Non-Dell Networking OS Bridges................................................................................................. 538
Changing the Region Name or Revision..................................................................................................................... 538
Modifying Global Parameters....................................................................................................................................... 538
Enable BPDU Filtering Globally.................................................................................................................................... 540
Modifying the Interface Parameters........................................................................................................................... 540
Conguring an EdgePort............................................................................................................................................... 541
Flush MAC Addresses after a Topology Change....................................................................................................... 542
MSTP Sample Congurations......................................................................................................................................542
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration.......................................................................................543
Contents
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