Users Guide

Flush MAC Addresses after a Topology Change.................................................................................................... 559
MSTP Sample Configurations......................................................................................................................................559
Debugging and Verifying MSTP Configurations......................................................................................................563
Chapter 32: Multicast Features................................................................................................. 565
Enabling IP Multicast..................................................................................................................................................... 565
Implementation Information......................................................................................................................................... 565
Multicast Policies............................................................................................................................................................ 566
IPv4 Multicast Policies.............................................................................................................................................566
Understanding Multicast Traceroute (mtrace)........................................................................................................573
Printing Multicast Traceroute (mtrace) Paths........................................................................................................ 573
Supported Error Codes..................................................................................................................................................575
mtrace Scenarios............................................................................................................................................................ 576
Chapter 33: Multicast Listener Discovery Protocol.................................................................... 582
MLD timers.......................................................................................................................................................................585
Reducing Host Response Burstiness................................................................................................................... 585
Configuring MLD Version..............................................................................................................................................586
Clearing MLD groups..................................................................................................................................................... 586
Debugging MLD...............................................................................................................................................................586
Explicit Tracking..............................................................................................................................................................586
Reducing Leave Latency...............................................................................................................................................586
Displaying MLD groups table........................................................................................................................................587
Displaying MLD Interfaces............................................................................................................................................ 587
MLD Snooping................................................................................................................................................................. 587
Enable MLD Snooping..............................................................................................................................................588
Disable MLD Snooping............................................................................................................................................. 588
Configure the switch as a querier.........................................................................................................................588
Specify port as connected to multicast router..................................................................................................588
Enable Snooping Explicit Tracking........................................................................................................................ 588
Display the MLD Snooping Table.......................................................................................................................... 589
Chapter 34: Object Tracking..................................................................................................... 590
Object Tracking Overview............................................................................................................................................ 590
Track Layer 2 Interfaces..........................................................................................................................................591
Track Layer 3 Interfaces..........................................................................................................................................591
Track IPv4 and IPv6 Routes...................................................................................................................................592
Set Tracking Delays..................................................................................................................................................593
VRRP Object Tracking.............................................................................................................................................593
Object Tracking Configuration.....................................................................................................................................593
Tracking a Layer 2 Interface.................................................................................................................................. 593
Tracking a Layer 3 Interface.................................................................................................................................. 594
Track an IPv4/IPv6 Route......................................................................................................................................595
Displaying Tracked Objects.......................................................................................................................................... 599
Chapter 35: Open Shortest Path First (OSPFv2 and OSPFv3)....................................................601
Protocol Overview...........................................................................................................................................................601
Autonomous System (AS) Areas........................................................................................................................... 601
Area Types..................................................................................................................................................................602
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Contents