Feature History and Information for Services Discovery Gateway 327
CHAPTER 14
IP Multicast Optimization: Optimizing PIM Sparse Mode in a Large IP Multicast
Deployment 329
Finding Feature Information 329
Prerequisites for Optimizing PIM Sparse Mode in a Large IP Multicast Deployment 329
Information About Optimizing PIM Sparse Mode in a Large IP Multicast Deployment 330
PIM Registering Process 330
PIM Version 1 Compatibility 330
PIM Designated Router 331
PIM Sparse-Mode Register Messages 331
Preventing Use of Shortest-Path Tree to Reduce Memory Requirement 331
PIM Shared Tree and Source Tree - Shortest-Path Tree 332
Benefit of Preventing or Delaying the Use of the Shortest-Path Tree 333
How to Optimize PIM Sparse Mode in a Large IP Multicast Deployment 333
Optimizing PIM Sparse Mode in a Large Deployment 333
Configuration Examples for Optimizing PIM Sparse Mode in a Large Multicast
Deployment 335
Optimizing PIM Sparse Mode in a Large IP Multicast Deployment Example 335
Additional References 336
Feature History and Information for Optimizing PIM Sparse Mode in a Large IP Multicast
Deployment 336
CHAPTER 15
IP Multicast Optimization: Multicast Subsecond Convergence 339
Finding Feature Information 339
Prerequisites for Multicast Subsecond Convergence 339
Restrictions for Multicast Subsecond Convergence 340
Information About Multicast Subsecond Convergence 340
Benefits of Multicast Subsecond Convergence 340
Multicast Subsecond Convergence Scalability Enhancements 340
PIM Router Query Messages 340
Reverse Path Forwarding 341
RPF Checks 341
Triggered RPF Checks 341
RPF Failover 341
IP Multicast Routing Configuration Guide, Cisco IOS XE Release 3.6E (Catalyst 3850 Switches)
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Contents