Administrator Guide

Limiting the Source-Active Cache............................................................................................................................ 545
Clearing the Source-Active Cache............................................................................................................................545
Enabling the Rejected Source-Active Cache...........................................................................................................546
Accept Source-Active Messages that Fail the RFP Check.........................................................................................546
Specifying Source-Active Messages..............................................................................................................................549
Limiting the Source-Active Messages from a Peer......................................................................................................550
Preventing MSDP from Caching a Local Source..........................................................................................................550
Preventing MSDP from Caching a Remote Source.....................................................................................................550
Preventing MSDP from Advertising a Local Source..................................................................................................... 551
Logging Changes in Peership States..............................................................................................................................552
Terminating a Peership.....................................................................................................................................................552
Clearing Peer Statistics.................................................................................................................................................... 552
Debugging MSDP..............................................................................................................................................................553
MSDP with Anycast RP................................................................................................................................................... 553
Configuring Anycast RP................................................................................................................................................... 554
Reducing Source-Active Message Flooding............................................................................................................555
Specifying the RP Address Used in SA Messages..................................................................................................555
MSDP Sample Configurations......................................................................................................................................... 557
32 Multiple Spanning Tree Protocol (MSTP)................................................................................. 562
Spanning Tree Variations................................................................................................................................................. 563
Implementation Information.......................................................................................................................................563
Configure Multiple Spanning Tree Protocol...................................................................................................................563
Related Configuration Tasks......................................................................................................................................563
Enable Multiple Spanning Tree Globally......................................................................................................................... 563
Adding and Removing Interfaces.................................................................................................................................... 564
Creating Multiple Spanning Tree Instances................................................................................................................... 564
Influencing MSTP Root Selection...................................................................................................................................565
Interoperate with Non-Dell Bridges................................................................................................................................ 566
Changing the Region Name or Revision.........................................................................................................................566
Modifying Global Parameters.......................................................................................................................................... 566
Modifying the Interface Parameters...............................................................................................................................567
Configuring an EdgePort..................................................................................................................................................568
Flush MAC Addresses after a Topology Change.......................................................................................................... 569
MSTP Sample Configurations......................................................................................................................................... 569
Debugging and Verifying MSTP Configurations............................................................................................................572
33 Multicast Features.................................................................................................................. 574
Enabling IP Multicast.........................................................................................................................................................574
Implementation Information............................................................................................................................................. 574
First Packet Forwarding for Lossless Multicast............................................................................................................ 575
Multicast Policies...............................................................................................................................................................575
IPv4 Multicast Policies................................................................................................................................................575
Understanding Multicast Traceroute (mtrace)..............................................................................................................581
Printing Multicast Traceroute (mtrace) Paths..............................................................................................................582
Supported Error Codes.................................................................................................................................................... 583
mtrace Scenarios.............................................................................................................................................................. 583
34 Multicast Listener Discovery Protocol...................................................................................... 589
18
Contents