Setup Guide

Table Of Contents
MSTP Sample Configurations..........................................................................................................................................527
Debugging and Verifying MSTP Configurations............................................................................................................ 531
32 Multicast Features..................................................................................................................533
Enabling IP Multicast........................................................................................................................................................ 533
Implementation Information.............................................................................................................................................533
Multicast Policies...............................................................................................................................................................534
IPv4 Multicast Policies................................................................................................................................................534
Understanding Multicast Traceroute (mtrace)..............................................................................................................541
Printing Multicast Traceroute (mtrace) Paths...............................................................................................................541
Supported Error Codes.................................................................................................................................................... 543
mtrace Scenarios.............................................................................................................................................................. 543
33 Multicast Listener Discovery Protocol...................................................................................... 549
MLD timers........................................................................................................................................................................ 552
Reducing Host Response Burstiness........................................................................................................................552
Configuring MLD Version.................................................................................................................................................553
Clearing MLD groups........................................................................................................................................................553
Debugging MLD.................................................................................................................................................................553
Explicit Tracking................................................................................................................................................................ 553
Reducing Leave Latency..................................................................................................................................................553
Displaying MLD groups table........................................................................................................................................... 553
Displaying MLD Interfaces............................................................................................................................................... 554
MLD Snooping...................................................................................................................................................................554
Enable MLD Snooping................................................................................................................................................ 554
Disable MLD Snooping................................................................................................................................................554
Configure the switch as a querier.............................................................................................................................555
Specify port as connected to multicast router....................................................................................................... 555
Enable Snooping Explicit Tracking............................................................................................................................ 555
Display the MLD Snooping Table.............................................................................................................................. 555
34 Object Tracking......................................................................................................................556
Object Tracking Overview............................................................................................................................................... 556
Track Layer 2 Interfaces.............................................................................................................................................557
Track Layer 3 Interfaces.............................................................................................................................................557
Track IPv4 and IPv6 Routes...................................................................................................................................... 557
Set Tracking Delays.................................................................................................................................................... 558
VRRP Object Tracking................................................................................................................................................559
Object Tracking Configuration........................................................................................................................................ 559
Tracking a Layer 2 Interface......................................................................................................................................559
Tracking a Layer 3 Interface......................................................................................................................................560
Track an IPv4/IPv6 Route..........................................................................................................................................561
Displaying Tracked Objects..............................................................................................................................................564
35 Open Shortest Path First (OSPFv2 and OSPFv3)...................................................................... 566
Protocol Overview............................................................................................................................................................ 566
Autonomous System (AS) Areas.............................................................................................................................. 566
Area Types....................................................................................................................................................................567
Networks and Neighbors............................................................................................................................................568
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Contents