Administrator Guide

Specifying Source-Active Messages........................................................................................................................... 531
Limiting the Source-Active Messages from a Peer...................................................................................................532
Preventing MSDP from Caching a Local Source.......................................................................................................532
Preventing MSDP from Caching a Remote Source.................................................................................................. 533
Preventing MSDP from Advertising a Local Source..................................................................................................533
Logging Changes in Peership States...........................................................................................................................534
Terminating a Peership..................................................................................................................................................534
Clearing Peer Statistics.................................................................................................................................................535
Debugging MSDP..........................................................................................................................................................535
MSDP with Anycast RP................................................................................................................................................536
Conguring Anycast RP................................................................................................................................................537
Reducing Source-Active Message Flooding.........................................................................................................538
Specifying the RP Address Used in SA Messages.............................................................................................. 538
MSDP Sample Congurations..................................................................................................................................... 540
29 Multiple Spanning Tree Protocol (MSTP)................................................................................................ 543
Protocol Overview.........................................................................................................................................................543
Spanning Tree Variations...............................................................................................................................................544
Implementation Information....................................................................................................................................544
Congure Multiple Spanning Tree Protocol................................................................................................................544
Related Conguration Tasks...................................................................................................................................545
Enable Multiple Spanning Tree Globally...................................................................................................................... 545
Adding and Removing Interfaces.................................................................................................................................545
Creating Multiple Spanning Tree Instances................................................................................................................ 546
Inuencing MSTP Root Selection................................................................................................................................547
Interoperate with Non-Dell Bridges.............................................................................................................................548
Changing the Region Name or Revision..................................................................................................................... 548
Modifying Global Parameters.......................................................................................................................................548
Modifying the Interface Parameters........................................................................................................................... 550
Conguring an EdgePort...............................................................................................................................................551
Flush MAC Addresses after a Topology Change........................................................................................................ 551
MSTP Sample Congurations......................................................................................................................................552
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration.......................................................................................552
Debugging and Verifying MSTP Congurations........................................................................................................ 556
30 Multicast Features...................................................................................................................................558
Enabling IP Multicast.....................................................................................................................................................558
Implementation Information......................................................................................................................................... 558
Multicast Policies...........................................................................................................................................................559
IPv4 Multicast Policies............................................................................................................................................559
Understanding Multicast Traceroute (mtrace).......................................................................................................... 566
Important Points to Remember..............................................................................................................................567
Printing Multicast Traceroute (mtrace) Paths............................................................................................................567
Supported Error Codes.................................................................................................................................................568
mtrace Scenarios...........................................................................................................................................................569
Contents
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