Concept Guide
Limiting the Source-Active Cache.........................................................................................................................592
Clearing the Source-Active Cache........................................................................................................................ 593
Enabling the Rejected Source-Active Cache....................................................................................................... 593
Accept Source-Active Messages that Fail the RFP Check......................................................................................593
Specifying Source-Active Messages...........................................................................................................................596
Limiting the Source-Active Messages from a Peer...................................................................................................597
Preventing MSDP from Caching a Local Source....................................................................................................... 597
Preventing MSDP from Caching a Remote Source.................................................................................................. 598
Preventing MSDP from Advertising a Local Source................................................................................................. 598
Logging Changes in Peership States...........................................................................................................................599
Terminating a Peership..................................................................................................................................................599
Clearing Peer Statistics.................................................................................................................................................600
Debugging MSDP..........................................................................................................................................................600
MSDP with Anycast RP................................................................................................................................................ 601
Conguring Anycast RP................................................................................................................................................602
Reducing Source-Active Message Flooding.........................................................................................................603
Specifying the RP Address Used in SA Messages.............................................................................................. 603
MSDP Sample Congurations..................................................................................................................................... 605
31 Multicast Listener Discovery Protocol...................................................................................................... 608
MLD Version 1................................................................................................................................................................ 608
MLD Querier Router......................................................................................................................................................608
Joining a Multicast Group.............................................................................................................................................609
Leaving a Multicast Group............................................................................................................................................609
MLD version 2................................................................................................................................................................609
MLD timers...................................................................................................................................................................... 611
Reducing Host Response Burstiness..................................................................................................................... 612
Conguring MLD Version.............................................................................................................................................. 612
Clearing MLD groups..................................................................................................................................................... 612
Debugging MLD..............................................................................................................................................................612
Explicit Tracking..............................................................................................................................................................612
Reducing Leave Latency................................................................................................................................................613
Displaying MLD groups table.........................................................................................................................................613
Displaying MLD Interfaces.............................................................................................................................................613
MLD Snooping................................................................................................................................................................ 613
Enable MLD Snooping............................................................................................................................................. 614
Disable MLD Snooping.............................................................................................................................................614
Congure the switch as a querier...........................................................................................................................614
Specify port as connected to multicast router..................................................................................................... 614
Enable Snooping Explicit Tracking..........................................................................................................................615
Display the MLD Snooping Table............................................................................................................................615
32 Multiple Spanning Tree Protocol (MSTP)................................................................................................. 616
Protocol Overview..........................................................................................................................................................616
Spanning Tree Variations............................................................................................................................................... 617
Implementation Information.....................................................................................................................................617
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