Setup Guide

IPv4 Multicast Policies............................................................................................................................................ 634
Understanding Multicast Traceroute (mtrace)........................................................................................................... 641
Important Points to Remember............................................................................................................................. 642
Printing Multicast Traceroute (mtrace) Paths........................................................................................................... 642
Supported Error Codes................................................................................................................................................. 643
mtrace Scenarios...........................................................................................................................................................644
35 Multicast Listener Discovery Protocol..................................................................................................... 650
MLD Version 1................................................................................................................................................................ 650
MLD Querier Router......................................................................................................................................................650
Joining a Multicast Group..............................................................................................................................................651
Leaving a Multicast Group.............................................................................................................................................651
MLD version 2.................................................................................................................................................................651
MLD timers.....................................................................................................................................................................653
Reducing Host Response Burstiness.................................................................................................................... 654
Clearing MLD groups.................................................................................................................................................... 654
Debugging MLD.............................................................................................................................................................654
Explicit Tracking............................................................................................................................................................. 654
Reducing Leave Latency...............................................................................................................................................654
Displaying MLD groups table........................................................................................................................................655
Displaying MLD Interfaces............................................................................................................................................655
MLD Snooping............................................................................................................................................................... 655
Enable MLD Snooping............................................................................................................................................ 655
Disable MLD Snooping............................................................................................................................................656
Congure the switch as a querier..........................................................................................................................656
Specify port as connected to multicast router.................................................................................................... 656
Enable Snooping Explicit Tracking......................................................................................................................... 657
Display the MLD Snooping Table........................................................................................................................... 657
36 Object Tracking....................................................................................................................................... 658
Object Tracking Overview............................................................................................................................................ 658
Track Layer 2 Interfaces......................................................................................................................................... 659
Track Layer 3 Interfaces......................................................................................................................................... 659
Track IPv4 and IPv6 Routes...................................................................................................................................660
Set Tracking Delays..................................................................................................................................................661
VRRP Object Tracking............................................................................................................................................. 661
Object Tracking Conguration...................................................................................................................................... 661
Tracking a Layer 2 Interface....................................................................................................................................661
Tracking a Layer 3 Interface................................................................................................................................... 662
Track an IPv4/IPv6 Route...................................................................................................................................... 664
Displaying Tracked Objects...........................................................................................................................................668
37 Open Shortest Path First (OSPFv2 and OSPFv3).................................................................................... 670
Protocol Overview......................................................................................................................................................... 670
Autonomous System (AS) Areas............................................................................................................................670
Area Types................................................................................................................................................................. 671
Contents
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