Users Guide

Changing the Region Name or Revision...................................................................................................................... 631
Modifying Global Parameters....................................................................................................................................... 632
Modifying the Interface Parameters............................................................................................................................633
Conguring an EdgePort.............................................................................................................................................. 634
Flush MAC Addresses after a Topology Change....................................................................................................... 635
MSTP Sample Congurations......................................................................................................................................635
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationExample Running-Conguration.....................................................................................................635
Debugging and Verifying MSTP Congurations........................................................................................................ 638
33 Multicast Features...................................................................................................................................640
Enabling IP Multicast.....................................................................................................................................................640
Implementation Information......................................................................................................................................... 640
First Packet Forwarding for Lossless Multicast..........................................................................................................641
Multicast Policies............................................................................................................................................................641
IPv4 Multicast Policies.............................................................................................................................................641
Understanding Multicast Traceroute (mtrace).......................................................................................................... 648
Important Points to Remember............................................................................................................................. 649
Printing Multicast Traceroute (mtrace) Paths........................................................................................................... 649
Supported Error Codes.................................................................................................................................................650
mtrace Scenarios............................................................................................................................................................651
34 Multicast Listener Discovery Protocol......................................................................................................657
MLD Version 1................................................................................................................................................................ 657
MLD Querier Router...................................................................................................................................................... 657
Joining a Multicast Group.............................................................................................................................................658
Leaving a Multicast Group............................................................................................................................................658
MLD version 2................................................................................................................................................................658
MLD timers.....................................................................................................................................................................660
Reducing Host Response Burstiness..................................................................................................................... 661
Clearing MLD groups..................................................................................................................................................... 661
Debugging MLD..............................................................................................................................................................661
Explicit Tracking..............................................................................................................................................................661
Reducing Leave Latency................................................................................................................................................661
Displaying MLD groups table........................................................................................................................................662
Displaying MLD Interfaces............................................................................................................................................662
MLD Snooping............................................................................................................................................................... 662
Enable MLD Snooping.............................................................................................................................................662
Disable MLD Snooping............................................................................................................................................663
Congure the switch as a querier..........................................................................................................................663
Specify port as connected to multicast router.................................................................................................... 663
Enable Snooping Explicit Tracking......................................................................................................................... 664
Display the MLD Snooping Table........................................................................................................................... 664
35 Object Tracking....................................................................................................................................... 665
Object Tracking Overview............................................................................................................................................ 665
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