Users Guide

Limiting the Source-Active Messages from a Peer...................................................................................................530
Preventing MSDP from Caching a Local Source.......................................................................................................530
Preventing MSDP from Caching a Remote Source................................................................................................... 531
Preventing MSDP from Advertising a Local Source.................................................................................................. 531
Logging Changes in Peership States...........................................................................................................................532
Terminating a Peership..................................................................................................................................................532
Clearing Peer Statistics.................................................................................................................................................533
Debugging MSDP.......................................................................................................................................................... 533
MSDP with Anycast RP................................................................................................................................................534
Conguring Anycast RP................................................................................................................................................535
Reducing Source-Active Message Flooding.........................................................................................................536
Specifying the RP Address Used in SA Messages.............................................................................................. 536
MSDP Sample Congurations......................................................................................................................................538
29 Multiple Spanning Tree Protocol (MSTP)................................................................................................. 541
Protocol Overview..........................................................................................................................................................541
Spanning Tree Variations...............................................................................................................................................542
Implementation Information....................................................................................................................................542
Congure Multiple Spanning Tree Protocol................................................................................................................542
Related Conguration Tasks...................................................................................................................................543
Enable Multiple Spanning Tree Globally...................................................................................................................... 543
Adding and Removing Interfaces.................................................................................................................................543
Creating Multiple Spanning Tree Instances................................................................................................................ 544
Inuencing MSTP Root Selection................................................................................................................................545
Interoperate with Non-Dell Bridges.............................................................................................................................546
Changing the Region Name or Revision..................................................................................................................... 546
Modifying Global Parameters.......................................................................................................................................546
Modifying the Interface Parameters........................................................................................................................... 548
Conguring an EdgePort.............................................................................................................................................. 549
Flush MAC Addresses after a Topology Change....................................................................................................... 549
MSTP Sample Congurations......................................................................................................................................550
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration.......................................................................................550
Debugging and Verifying MSTP Congurations........................................................................................................ 554
30 Multicast Features...................................................................................................................................556
Enabling IP Multicast.....................................................................................................................................................556
Implementation Information......................................................................................................................................... 556
Multicast Policies........................................................................................................................................................... 557
IPv4 Multicast Policies............................................................................................................................................ 557
Understanding Multicast Traceroute (mtrace).......................................................................................................... 564
Important Points to Remember............................................................................................................................. 565
Printing Multicast Traceroute (mtrace) Paths........................................................................................................... 565
Supported Error Codes.................................................................................................................................................566
mtrace Scenarios........................................................................................................................................................... 567
Contents
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