Administrator Guide

Limiting the Source-Active Cache........................................................................................................................ 573
Clearing the Source-Active Cache........................................................................................................................574
Enabling the Rejected Source-Active Cache..................................................................................................... 574
Accept Source-Active Messages that Fail the RFP Check.................................................................................. 574
Specifying Source-Active Messages..........................................................................................................................578
Limiting the Source-Active Messages from a Peer................................................................................................ 579
Preventing MSDP from Caching a Local Source.................................................................................................... 579
Preventing MSDP from Caching a Remote Source............................................................................................... 580
Preventing MSDP from Advertising a Local Source.............................................................................................. 580
Logging Changes in Peership States.......................................................................................................................... 581
Terminating a Peership...................................................................................................................................................581
Clearing Peer Statistics..................................................................................................................................................581
Debugging MSDP............................................................................................................................................................582
MSDP with Anycast RP.................................................................................................................................................582
Configuring Anycast RP................................................................................................................................................ 583
Reducing Source-Active Message Flooding.......................................................................................................584
Specifying the RP Address Used in SA Messages............................................................................................584
MSDP Sample Configurations..................................................................................................................................... 586
Chapter 32: Multiple Spanning Tree Protocol (MSTP)................................................................591
Spanning Tree Variations.............................................................................................................................................. 592
Implementation Information....................................................................................................................................592
Configure Multiple Spanning Tree Protocol............................................................................................................. 592
Related Configuration Tasks.................................................................................................................................. 592
Enable Multiple Spanning Tree Globally.................................................................................................................... 593
Adding and Removing Interfaces................................................................................................................................ 593
Creating Multiple Spanning Tree Instances..............................................................................................................593
Influencing MSTP Root Selection............................................................................................................................... 594
Interoperate with Non-Dell Bridges............................................................................................................................595
Changing the Region Name or Revision....................................................................................................................595
Modifying Global Parameters.......................................................................................................................................595
Modifying the Interface Parameters.......................................................................................................................... 596
Configuring an EdgePort...............................................................................................................................................597
Flush MAC Addresses after a Topology Change.....................................................................................................598
MSTP Sample Configurations......................................................................................................................................598
Debugging and Verifying MSTP Configurations.......................................................................................................601
Chapter 33: Multicast Features................................................................................................. 603
Enabling IP Multicast..................................................................................................................................................... 603
Implementation Information......................................................................................................................................... 603
First Packet Forwarding for Lossless Multicast...................................................................................................... 604
Multicast Policies............................................................................................................................................................ 604
IPv4 Multicast Policies.............................................................................................................................................604
Understanding Multicast Traceroute (mtrace)......................................................................................................... 611
Printing Multicast Traceroute (mtrace) Paths..........................................................................................................611
Supported Error Codes.................................................................................................................................................. 613
mtrace Scenarios............................................................................................................................................................. 614
Chapter 34: Multicast Listener Discovery Protocol.................................................................... 620
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Contents