White Papers

Table Of Contents
MSTP Sample Configurations......................................................................................................................................552
Debugging and Verifying MSTP Configurations......................................................................................................556
Chapter 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........................................................................................................566
Supported Error Codes................................................................................................................................................. 568
mtrace Scenarios............................................................................................................................................................ 569
Chapter 33: Multicast Listener Discovery Protocol.................................................................... 575
MLD timers....................................................................................................................................................................... 578
Reducing Host Response Burstiness....................................................................................................................578
Configuring MLD Version.............................................................................................................................................. 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...............................................................................................................................................581
Disable MLD Snooping..............................................................................................................................................581
Configure the switch as a querier..........................................................................................................................581
Specify port as connected to multicast router...................................................................................................581
Enable Snooping Explicit Tracking.........................................................................................................................581
Display the MLD Snooping Table.......................................................................................................................... 582
Chapter 34: Object Tracking......................................................................................................583
Object Tracking Overview............................................................................................................................................ 583
Track Layer 2 Interfaces......................................................................................................................................... 584
Track Layer 3 Interfaces......................................................................................................................................... 584
Track IPv4 and IPv6 Routes...................................................................................................................................584
Set Tracking Delays..................................................................................................................................................585
VRRP Object Tracking.............................................................................................................................................586
Object Tracking Configuration.................................................................................................................................... 586
Tracking a Layer 2 Interface.................................................................................................................................. 586
Tracking a Layer 3 Interface...................................................................................................................................587
Track an IPv4/IPv6 Route...................................................................................................................................... 588
Displaying Tracked Objects...........................................................................................................................................591
Chapter 35: Open Shortest Path First (OSPFv2 and OSPFv3)................................................... 594
Protocol Overview..........................................................................................................................................................594
Autonomous System (AS) Areas...........................................................................................................................594
Area Types..................................................................................................................................................................595
Networks and Neighbors........................................................................................................................................ 596
18
Contents