Users Guide

Logging Changes in Peership States...........................................................................................................................601
Terminating a Peership..................................................................................................................................................601
Clearing Peer Statistics................................................................................................................................................ 602
Debugging MSDP..........................................................................................................................................................602
MSDP with Anycast RP................................................................................................................................................603
Configuring Anycast RP............................................................................................................................................... 604
Reducing Source-Active Message Flooding........................................................................................................605
Specifying the RP Address Used in SA Messages..............................................................................................605
MSDP Sample Configurations..................................................................................................................................... 607
32 Multiple Spanning Tree Protocol (MSTP)................................................................................................ 612
Protocol Overview......................................................................................................................................................... 612
Spanning Tree Variations...............................................................................................................................................613
Implementation Information....................................................................................................................................613
Configure Multiple Spanning Tree Protocol................................................................................................................613
Related Configuration Tasks...................................................................................................................................613
Enable Multiple Spanning Tree Globally.......................................................................................................................614
Adding and Removing Interfaces................................................................................................................................. 614
Creating Multiple Spanning Tree Instances................................................................................................................ 614
Influencing MSTP Root Selection................................................................................................................................ 615
Interoperate with Non-Dell Bridges............................................................................................................................. 616
Changing the Region Name or Revision......................................................................................................................616
Modifying Global Parameters........................................................................................................................................617
Modifying the Interface Parameters............................................................................................................................618
Configuring an EdgePort...............................................................................................................................................619
Flush MAC Addresses after a Topology Change...................................................................................................... 620
MSTP Sample Configurations......................................................................................................................................620
Router 1 Running-ConfigurationRouter 2 Running-ConfigurationRouter 3 Running-
ConfigurationExample Running-Configuration.................................................................................................... 620
Debugging and Verifying MSTP Configurations........................................................................................................623
33 Multicast Features...................................................................................................................................625
Enabling IP Multicast.....................................................................................................................................................625
Implementation Information......................................................................................................................................... 625
First Packet Forwarding for Lossless Multicast........................................................................................................ 626
Multicast Policies...........................................................................................................................................................626
IPv4 Multicast Policies............................................................................................................................................626
Understanding Multicast Traceroute (mtrace)......................................................................................................... 633
Important Points to Remember.............................................................................................................................634
Printing Multicast Traceroute (mtrace) Paths.......................................................................................................... 634
Supported Error Codes.................................................................................................................................................635
mtrace Scenarios...........................................................................................................................................................636
34 Object Tracking....................................................................................................................................... 642
Object Tracking Overview............................................................................................................................................642
Track Layer 2 Interfaces.........................................................................................................................................643
20
Contents