Developers Guide

Table Of Contents
Flush MAC Addresses after a Topology Change.................................................................................................... 554
MSTP Sample Configurations......................................................................................................................................554
Debugging and Verifying MSTP Configurations......................................................................................................558
Chapter 32: Multicast Features................................................................................................. 560
Enabling IP Multicast..................................................................................................................................................... 560
Implementation Information......................................................................................................................................... 560
Multicast Policies.............................................................................................................................................................561
IPv4 Multicast Policies............................................................................................................................................. 561
Understanding Multicast Traceroute (mtrace)....................................................................................................... 568
Printing Multicast Traceroute (mtrace) Paths........................................................................................................ 568
Supported Error Codes..................................................................................................................................................570
mtrace Scenarios............................................................................................................................................................. 571
Chapter 33: Multicast Listener Discovery Protocol.................................................................... 577
MLD timers.......................................................................................................................................................................580
Reducing Host Response Burstiness................................................................................................................... 580
Configuring MLD Version...............................................................................................................................................581
Clearing MLD groups...................................................................................................................................................... 581
Debugging MLD............................................................................................................................................................... 581
Explicit Tracking...............................................................................................................................................................581
Reducing Leave Latency................................................................................................................................................581
Displaying MLD groups table........................................................................................................................................582
Displaying MLD Interfaces............................................................................................................................................ 582
MLD Snooping................................................................................................................................................................. 582
Enable MLD Snooping..............................................................................................................................................583
Disable MLD Snooping............................................................................................................................................. 583
Configure the switch as a querier.........................................................................................................................583
Specify port as connected to multicast router..................................................................................................583
Enable Snooping Explicit Tracking........................................................................................................................ 583
Display the MLD Snooping Table.......................................................................................................................... 584
Chapter 34: Object Tracking..................................................................................................... 585
Object Tracking Overview............................................................................................................................................ 585
Track Layer 2 Interfaces......................................................................................................................................... 586
Track Layer 3 Interfaces......................................................................................................................................... 586
Track IPv4 and IPv6 Routes...................................................................................................................................586
Set Tracking Delays.................................................................................................................................................. 587
VRRP Object Tracking.............................................................................................................................................588
Object Tracking Configuration.................................................................................................................................... 588
Tracking a Layer 2 Interface.................................................................................................................................. 588
Tracking a Layer 3 Interface.................................................................................................................................. 589
Track an IPv4/IPv6 Route......................................................................................................................................590
Displaying Tracked Objects.......................................................................................................................................... 593
Chapter 35: Open Shortest Path First (OSPFv2 and OSPFv3)................................................... 596
Protocol Overview..........................................................................................................................................................596
Autonomous System (AS) Areas...........................................................................................................................596
Area Types.................................................................................................................................................................. 597
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Contents