Reference Guide

Logging Changes in Peership States................................................................................................ 557
Terminating a Peership..................................................................................................................... 557
Clearing Peer Statistics......................................................................................................................557
Debugging MSDP..............................................................................................................................558
MSDP with Anycast RP......................................................................................................................558
Configuring Anycast RP....................................................................................................................560
Reducing Source-Active Message Flooding..............................................................................560
Specifying the RP Address Used in SA Messages...................................................................... 560
MSDP Sample Configurations.......................................................................................................... 563
28 Multiple Spanning Tree Protocol (MSTP).....................................................567
Protocol Overview............................................................................................................................ 567
Spanning Tree Variations..................................................................................................................568
Implementation Information......................................................................................................568
Configure Multiple Spanning Tree Protocol....................................................................................568
Related Configuration Tasks...................................................................................................... 568
Enable Multiple Spanning Tree Globally..........................................................................................569
Adding and Removing Interfaces.....................................................................................................569
Creating Multiple Spanning Tree Instances.....................................................................................569
Influencing MSTP Root Selection..................................................................................................... 571
Interoperate with Non-Dell Networking OS Bridges.......................................................................571
Changing the Region Name or Revision..........................................................................................572
Modifying Global Parameters........................................................................................................... 572
Modifying the Interface Parameters.................................................................................................574
Configuring an EdgePort.................................................................................................................. 574
Flush MAC Addresses after a Topology Change..............................................................................575
MSTP Sample Configurations...........................................................................................................576
Router 1 Running-ConfigurationRouter 2 Running-ConfigurationRouter 3 Running-
ConfigurationSFTOS Example Running-Configuration.............................................................576
Debugging and Verifying MSTP Configurations.............................................................................. 579
29 Multicast Features..............................................................................................583
Enabling IP Multicast.........................................................................................................................583
Multicast with ECMP.........................................................................................................................583
Implementation Information............................................................................................................584
First Packet Forwarding for Lossless Multicast................................................................................ 585
Multicast Policies.............................................................................................................................. 585
IPv4 Multicast Policies................................................................................................................ 585
30 Open Shortest Path First (OSPFv2 and OSPFv3)........................................ 595
Protocol Overview............................................................................................................................595
Autonomous System (AS) Areas................................................................................................. 595