Administrator Guide

Enable Multiple Spanning Tree Globally.......................................................................................................................... 541
Adding and Removing Interfaces.....................................................................................................................................541
Creating Multiple Spanning Tree Instances....................................................................................................................541
Influencing MSTP Root Selection................................................................................................................................... 542
Interoperate with Non-Dell Bridges................................................................................................................................ 543
Changing the Region Name or Revision.........................................................................................................................543
Modifying Global Parameters.......................................................................................................................................... 543
Modifying the Interface Parameters...............................................................................................................................544
Setting STP path cost as constant................................................................................................................................ 545
Configuring an EdgePort..................................................................................................................................................545
Flush MAC Addresses after a Topology Change.......................................................................................................... 546
MSTP Sample Configurations......................................................................................................................................... 546
Debugging and Verifying MSTP Configurations........................................................................................................... 550
34 Multicast Features..................................................................................................................552
Enabling IP Multicast........................................................................................................................................................ 552
Implementation Information.............................................................................................................................................552
Multicast Policies...............................................................................................................................................................553
IPv4 Multicast Policies................................................................................................................................................553
Understanding Multicast Traceroute (mtrace).............................................................................................................559
Printing Multicast Traceroute (mtrace) Paths..............................................................................................................559
Supported Error Codes..................................................................................................................................................... 561
mtrace Scenarios............................................................................................................................................................... 561
35 Multicast Listener Discovery Protocol...................................................................................... 567
MLD timers........................................................................................................................................................................ 570
Reducing Host Response Burstiness........................................................................................................................570
Clearing MLD groups........................................................................................................................................................ 570
Debugging MLD..................................................................................................................................................................571
Explicit Tracking................................................................................................................................................................. 571
Reducing Leave Latency...................................................................................................................................................571
Displaying MLD groups table............................................................................................................................................ 571
Displaying MLD Interfaces................................................................................................................................................ 571
MLD Snooping................................................................................................................................................................... 572
Enable MLD Snooping.................................................................................................................................................572
Disable MLD Snooping................................................................................................................................................572
Configure the switch as a querier............................................................................................................................. 572
Specify port as connected to multicast router........................................................................................................573
Enable Snooping Explicit Tracking.............................................................................................................................573
Display the MLD Snooping Table...............................................................................................................................573
36 Object Tracking...................................................................................................................... 574
Object Tracking Overview................................................................................................................................................574
Track Layer 2 Interfaces.............................................................................................................................................575
Track Layer 3 Interfaces.............................................................................................................................................575
Track IPv4 and IPv6 Routes...................................................................................................................................... 575
Set Tracking Delays.....................................................................................................................................................576
VRRP Object Tracking................................................................................................................................................ 577
Object Tracking Configuration.........................................................................................................................................577
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