Administrator Guide

MSDP Sample Configurations......................................................................................................................................... 507
29 Multicast Listener Discovery Protocol.......................................................................................510
MLD timers......................................................................................................................................................................... 513
Reducing Host Response Burstiness.........................................................................................................................513
Configuring MLD Version..................................................................................................................................................513
Clearing MLD groups.........................................................................................................................................................514
Debugging MLD................................................................................................................................................................. 514
Explicit Tracking................................................................................................................................................................. 514
Reducing Leave Latency...................................................................................................................................................514
Displaying MLD groups table............................................................................................................................................ 514
Displaying MLD Interfaces................................................................................................................................................515
30 Multiple Spanning Tree Protocol (MSTP)..................................................................................516
Spanning Tree Variations.................................................................................................................................................. 517
Implementation Information........................................................................................................................................517
Configure Multiple Spanning Tree Protocol....................................................................................................................517
Related Configuration Tasks.......................................................................................................................................517
Enable Multiple Spanning Tree Globally.......................................................................................................................... 518
Adding and Removing Interfaces.....................................................................................................................................518
Creating Multiple Spanning Tree Instances....................................................................................................................518
Influencing MSTP Root Selection...................................................................................................................................520
Interoperate with Non-Dell Bridges................................................................................................................................ 520
Changing the Region Name or Revision.........................................................................................................................520
Modifying Global Parameters........................................................................................................................................... 521
Modifying the Interface Parameters...............................................................................................................................522
Setting STP path cost as constant.................................................................................................................................522
Configuring an EdgePort..................................................................................................................................................523
Flush MAC Addresses after a Topology Change.......................................................................................................... 523
MSTP Sample Configurations......................................................................................................................................... 524
Debugging and Verifying MSTP Configurations........................................................................................................... 528
31 Multicast Features.................................................................................................................. 530
Enabling IP Multicast........................................................................................................................................................ 530
Implementation Information.............................................................................................................................................530
Multicast Policies............................................................................................................................................................... 531
IPv4 Multicast Policies.................................................................................................................................................531
Understanding Multicast Traceroute (mtrace).............................................................................................................538
Printing Multicast Traceroute (mtrace) Paths..............................................................................................................538
Supported Error Codes.................................................................................................................................................... 540
mtrace Scenarios.............................................................................................................................................................. 540
32 Multicast Listener Discovery Protocol...................................................................................... 546
MLD timers........................................................................................................................................................................ 549
Reducing Host Response Burstiness........................................................................................................................549
Clearing MLD groups........................................................................................................................................................549
Debugging MLD................................................................................................................................................................ 550
Explicit Tracking................................................................................................................................................................ 550
Reducing Leave Latency..................................................................................................................................................550
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