Administrator Guide

MSTP Sample Congurations......................................................................................................................................553
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration.......................................................................................553
Debugging and Verifying MSTP Congurations........................................................................................................ 556
32 Multicast Features...................................................................................................................................558
Enabling IP Multicast.....................................................................................................................................................558
Implementation Information......................................................................................................................................... 558
Multicast Policies...........................................................................................................................................................559
IPv4 Multicast Policies............................................................................................................................................559
Understanding Multicast Traceroute (mtrace).................................................................................................... 566
Printing Multicast Traceroute (mtrace) Paths......................................................................................................567
Supported Error Codes...........................................................................................................................................568
mtrace Scenarios.....................................................................................................................................................569
33 Multicast Listener Discovery Protocol......................................................................................................575
MLD Version 1................................................................................................................................................................ 575
MLD Querier Router......................................................................................................................................................575
Joining a Multicast Group............................................................................................................................................. 576
Leaving a Multicast Group............................................................................................................................................576
MLD version 2................................................................................................................................................................576
MLD timers.....................................................................................................................................................................578
Reducing Host Response Burstiness.................................................................................................................... 579
Clearing MLD groups.....................................................................................................................................................579
Debugging MLD............................................................................................................................................................. 579
Explicit Tracking............................................................................................................................................................. 579
Reducing Leave Latency...............................................................................................................................................579
Displaying MLD groups table........................................................................................................................................580
Displaying MLD Interfaces............................................................................................................................................580
MLD Snooping............................................................................................................................................................... 580
Enable MLD Snooping............................................................................................................................................ 580
Disable MLD Snooping.............................................................................................................................................581
Congure the switch as a querier.......................................................................................................................... 581
Specify port as connected to multicast router..................................................................................................... 581
Enable Snooping Explicit Tracking......................................................................................................................... 582
Display the MLD Snooping Table........................................................................................................................... 582
34 Object Tracking........................................................................................................................................583
Object Tracking Overview............................................................................................................................................ 583
Track Layer 2 Interfaces..........................................................................................................................................584
Track Layer 3 Interfaces..........................................................................................................................................584
Track IPv4 and IPv6 Routes...................................................................................................................................585
Set Tracking Delays................................................................................................................................................. 586
VRRP Object Tracking............................................................................................................................................ 586
Object Tracking Conguration..................................................................................................................................... 586
Tracking a Layer 2 Interface................................................................................................................................... 586
Contents
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