Administrator Guide

Enabling the Rejected Source-Active Cache.......................................................................................................600
Accept Source-Active Messages that Fail the RFP Check..................................................................................... 600
Specifying Source-Active Messages...........................................................................................................................604
Limiting the Source-Active Messages from a Peer...................................................................................................605
Preventing MSDP from Caching a Local Source.......................................................................................................605
Preventing MSDP from Caching a Remote Source.................................................................................................. 606
Preventing MSDP from Advertising a Local Source................................................................................................. 606
Logging Changes in Peership States...........................................................................................................................607
Terminating a Peership..................................................................................................................................................607
Clearing Peer Statistics.................................................................................................................................................608
Debugging MSDP..........................................................................................................................................................608
MSDP with Anycast RP................................................................................................................................................609
Conguring Anycast RP................................................................................................................................................ 610
Reducing Source-Active Message Flooding.......................................................................................................... 611
Specifying the RP Address Used in SA Messages................................................................................................611
MSDP Sample Congurations...................................................................................................................................... 613
32 Multiple Spanning Tree Protocol (MSTP)................................................................................................. 618
Protocol Overview..........................................................................................................................................................618
Spanning Tree Variations............................................................................................................................................... 619
Implementation Information.................................................................................................................................... 619
Congure Multiple Spanning Tree Protocol.................................................................................................................619
Related Conguration Tasks....................................................................................................................................619
Enable Multiple Spanning Tree Globally...................................................................................................................... 620
Adding and Removing Interfaces.................................................................................................................................620
Creating Multiple Spanning Tree Instances................................................................................................................ 620
Inuencing MSTP Root Selection................................................................................................................................ 621
Interoperate with Non-Dell Bridges.............................................................................................................................622
Changing the Region Name or Revision..................................................................................................................... 622
Modifying Global Parameters....................................................................................................................................... 623
Modifying the Interface Parameters............................................................................................................................624
Conguring an EdgePort.............................................................................................................................................. 625
Flush MAC Addresses after a Topology Change....................................................................................................... 626
MSTP Sample Congurations......................................................................................................................................626
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationExample Running-Conguration.....................................................................................................626
Debugging and Verifying MSTP Congurations........................................................................................................ 629
33 Multicast Features....................................................................................................................................631
Enabling IP Multicast......................................................................................................................................................631
Implementation Information.......................................................................................................................................... 631
First Packet Forwarding for Lossless Multicast.........................................................................................................632
Multicast Policies...........................................................................................................................................................632
IPv4 Multicast Policies............................................................................................................................................ 632
Understanding Multicast Traceroute (mtrace).......................................................................................................... 639
Important Points to Remember............................................................................................................................. 640
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