Concept Guide

Modifying the Interface Parameters.............................................................................................................................611
Conguring an EdgePort............................................................................................................................................... 612
Flush MAC Addresses after a Topology Change........................................................................................................ 613
MSTP Sample Congurations.......................................................................................................................................613
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration........................................................................................614
Debugging and Verifying MSTP Congurations......................................................................................................... 617
34 Multicast Features................................................................................................................................... 619
Enabling IP Multicast..................................................................................................................................................... 619
Implementation Information.......................................................................................................................................... 619
Multicast Policies...........................................................................................................................................................620
IPv4 Multicast Policies............................................................................................................................................620
Understanding Multicast Traceroute (mtrace)...........................................................................................................627
Important Points to Remember............................................................................................................................. 628
Printing Multicast Traceroute (mtrace) Paths........................................................................................................... 628
Supported Error Codes.................................................................................................................................................629
mtrace Scenarios...........................................................................................................................................................630
35 Multicast Listener Discovery Protocol..................................................................................................... 636
MLD Version 1................................................................................................................................................................ 636
MLD Querier Router......................................................................................................................................................636
Joining a Multicast Group............................................................................................................................................. 637
Leaving a Multicast Group............................................................................................................................................ 637
MLD version 2................................................................................................................................................................ 637
MLD timers.....................................................................................................................................................................639
Reducing Host Response Burstiness.................................................................................................................... 640
Clearing MLD groups.................................................................................................................................................... 640
Debugging MLD.............................................................................................................................................................640
Explicit Tracking............................................................................................................................................................. 640
Reducing Leave Latency...............................................................................................................................................640
Displaying MLD groups table.........................................................................................................................................641
Displaying MLD Interfaces.............................................................................................................................................641
MLD Snooping................................................................................................................................................................ 641
Enable MLD Snooping............................................................................................................................................. 641
Disable MLD Snooping............................................................................................................................................642
Congure the switch as a querier..........................................................................................................................642
Specify port as connected to multicast router.................................................................................................... 642
Enable Snooping Explicit Tracking......................................................................................................................... 643
Display the MLD Snooping Table........................................................................................................................... 643
36 Object Tracking........................................................................................................................................644
Object Tracking Overview............................................................................................................................................ 644
Track Layer 2 Interfaces..........................................................................................................................................645
Track Layer 3 Interfaces..........................................................................................................................................645
Track IPv4 and IPv6 Routes................................................................................................................................... 646
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