Limiting the Source-Active Cache.............................................................................................580
Clearing the Source-Active Cache............................................................................................580
Enabling the Rejected Source-Active Cache............................................................................580
Accept Source-Active Messages that Fail the RFP Check..............................................................580
Specifying Source-Active Messages................................................................................................584
Limiting the Source-Active Messages from a Peer.........................................................................585
Preventing MSDP from Caching a Local Source.............................................................................585
Preventing MSDP from Caching a Remote Source.........................................................................586
Preventing MSDP from Advertising a Local Source.........................................................................587
Logging Changes in Peership States................................................................................................588
Terminating a Peership.....................................................................................................................588
Clearing Peer Statistics.....................................................................................................................589
Debugging MSDP..............................................................................................................................589
MSDP with Anycast RP.....................................................................................................................590
Configuring Anycast RP....................................................................................................................591
Reducing Source-Active Message Flooding..............................................................................592
Specifying the RP Address Used in SA Messages.......................................................................592
MSDP Sample Configurations..........................................................................................................595
29 Multiple Spanning Tree Protocol (MSTP)..................................................598
Protocol Overview............................................................................................................................598
Spanning Tree Variations..................................................................................................................599
Implementation Information......................................................................................................599
Configure Multiple Spanning Tree Protocol....................................................................................599
Related Configuration Tasks......................................................................................................599
Enable Multiple Spanning Tree Globally..........................................................................................600
Adding and Removing Interfaces.....................................................................................................600
Creating Multiple Spanning Tree Instances.....................................................................................601
Influencing MSTP Root Selection....................................................................................................602
Interoperate with Non-Dell Networking OS Bridges......................................................................603
Changing the Region Name or Revision.........................................................................................603
Modifying Global Parameters...........................................................................................................604
Modifying the Interface Parameters................................................................................................605
Configuring an EdgePort.................................................................................................................606
Flush MAC Addresses after a Topology Change.............................................................................607
MSTP Sample Configurations...........................................................................................................607
Router 1 Running-ConfigurationRouter 2 Running-ConfigurationRouter 3 Running-
ConfigurationSFTOS Example Running-Configuration............................................................608
Debugging and Verifying MSTP Configurations...............................................................................611
30 Multicast Features..........................................................................................614
Enabling IP Multicast.........................................................................................................................614
20