Cisco Nexus 7000 Series User manual

Cisco Nexus 7000 Series NX-OS Multicast Routing Configuration Guide
First Published: 2016-12-23
Last Modified: 2019-02-19
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CONTENTS
Preface xi
Audience xi
Document Conventions xi
Related Documentation xii
Documentation Feedback xiii
Communications, Services, and Additional Information xiii
New and Changed Information 1
CHAPTER 1
New and Changed Information 1
Overview 3
CHAPTER 2
Information about Multicast 3
Multicast Distribution Trees 4
Source Trees 4
Shared Trees 5
Bidirectional Shared Trees 6
Multicast Forwarding 7
Cisco NX-OS PIM and PIM6 8
ASM 10
Bidir 11
SSM 11
RPF Routes for Multicast 11
IGMP and MLD 11
IGMP Snooping 11
Interdomain Multicast 12
SSM 12
Cisco Nexus 7000 Series NX-OS Multicast Routing Configuration Guide
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MSDP 12
MBGP 12
MRIB and M6RIB 12
MRIB/M6RIB Dynamic Shared Memory Support 13
Virtual Port Channels and Multicast 14
Maximum Transmission Unit Limitation 14
Multicasting with both F Series and M Series Modules in a Chassis 14
General Multicast Restrictions 14
Licensing Requirements for Multicast 15
High-Availability Requirements for Multicast 15
Related Documents 15
Technical Assistance 15
Configuring IGMP 17
CHAPTER 3
Information About IGMP 17
IGMP Versions 17
IGMP Basics 18
Virtualization Support 20
IGMP vPC Incremental Sync 20
Licensing Requirements for IGMP 21
Prerequisites for IGMP 21
Default Settings for IGMP 22
Configuring IGMP Parameters 22
Configuring IGMP Interface Parameters 22
Configuring an IGMP SSM Translation 31
Configuring the Enforce Router Alert Option Check 33
Restarting the IGMP Process 33
Verifying the IGMP Configuration 34
Configuration Examples for IGMP 35
Feature History for IGMP 35
Configuring MLD 37
CHAPTER 4
Information About MLD 37
MLD Versions 37
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MLD Basics 38
Vitualization Support 40
Licensing Requirements for MLD 40
Prerequisites for MLD 40
Guidelines and Limitations for MLD 40
Default Settings for MLD 41
Configuring MLD Parameters 42
Configuring MLD Interface Parameters 42
Configuring an MLD SSM Translation 50
Verifying the MLD Configuration 51
Configuration Examples for MLD 51
Related Documents 52
Standards 52
Feature History for MLD 52
Configuring PIM and PIM6 53
CHAPTER 5
Information About PIM and PIM6 53
Hello Messages 54
Join-Prune Messages 55
State Refreshes 55
Rendezvous Points 55
Static RP 56
BSRs 56
Auto-RP 57
Multiple RPs Configured in a PIM Domain 58
PIM RP versus RP Election Process 61
Anycast-RP 69
PIM Register Messages 69
Designated Routers 70
Designated Forwarders 70
ASM Switchover from Shared Tree to Source Tree 70
ECMP Multicast Load Splitting Based on Source Group and Next-Hop Address Overview 71
Administratively Scoped IP Multicast 72
Bidirectional Forwarding Detection for PIM 72
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Virtualization Support 72
Support for Graceful Restart PIM 72
Prerequisites for Graceful Restart PIM 73
Information About Graceful Restart PIM 73
Additional References for Graceful Restart PIM 75
High Availability 75
Licensing Requirements for PIM and PIM6 75
Prerequisites for PIM and PIM6 75
Guidelines and Limitations for PIM and PIM6 76
Default Settings 77
Configuring PIM and PIM6 78
PIM and PIM6 Configuration Tasks 78
Enabling the PIM and PIM6 Features 79
Configuring PIM or PIM6 Sparse Mode Parameters 80
Configuring PIM Sparse Mode Parameters 82
Configuring PIM6 Sparse Mode Parameters 85
IGMP Querier 87
IGMP Querier Overview 87
Enabling IGMP Querier 87
Example: Enabling IGMP Querier 88
Configuring ASM and Bidir 88
Configuring Static RPs 88
Configuring BSRs 90
Configuring Auto-RP 94
Configuring a PIM Anycast-RP Set 97
Configuring Shared Trees Only for ASM 99
Configuring SSM 101
Configuring SSM (PIM) 101
Configuring SSM (PIM6) 102
Configuring RPF Routes for Multicast 102
Disabling Multicast Multipath 103
Enabling ECMP Multicast Load Splitting Based on Source Group and Next-Hop Address 104
Example: Enabling ECMP Multicast Load Splitting Based on Source Group and Next-Hop
Address 105
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Configuring Route Maps to Control RP Information Distribution 106
Configuring Route Maps to Control RP Information Distribution (PIM) 106
Configuring Route Maps to Control RP Information Distribution (PIM6) 107
Configuring Message Filtering 108
Configuring Message Filtering (PIM) 110
Configuring Message Filtering (PIM6) 111
Restarting the PIM and PIM6 Processes 113
Restarting the PIM Process (PIM) 113
Restarting the PIM6 Process 114
Configuring BFD for PIM in VRF Mode 115
Configuring BFD for PIM in Interface Mode 115
Verifying the PIM and PIM6 Configuration 116
Displaying Statistics 117
Displaying PIM and PIM6 Statistics 117
Clearing PIM and PIM6 Statistics 117
Displaying Replication Engine Statistics 118
Replication Engine Statistics Example 118
Configuration Examples for PIM 120
SSM Configuration Example 120
BSR Configuration Example 120
Auto-RP Configuration Example 121
PIM Anycast RP Configuration Example 122
Prefix-Based and Route-Map-Based Configurations 123
Output 124
Related Documents 125
Standards 125
MIBs 125
Feature History for PIM and PIM6 126
Configuring IGMP Snooping 127
CHAPTER 6
Information About IGMP Snooping 127
IGMPv1 and IGMPv2 128
IGMPv3 129
IGMP Snooping Querier 129
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Static Multicast MAC Address 129
IGMP Snooping with VDCs and VRFs 130
IGMP Snooping across VPLS Domains 130
Licensing Requirements for IGMP Snooping 131
Prerequisites for IGMP Snooping 131
Guidelines and Limitations for IGMP Snooping 131
Default Settings for IGMP Snooping 132
Configuring IGMP Snooping Parameters 133
Configuring Global IGMP Snooping Parameters 133
Configuring IGMP Snooping Parameters per VLAN 137
Changing the Lookup Mode 150
Configuring a Static Multicast MAC Address 152
Verifying IGMP Snooping Configuration 153
Displaying IGMP Snooping Statistics 153
Configuration Example for IGMP Snooping 153
Related Documents 154
Standards 155
Feature History for IGMP Snooping in CLI 155
Configuring MSDP 157
CHAPTER 7
Information About MSDP 157
SA Messages and Caching 158
MSDP Peer-RPF Forwarding 159
MSDP Mesh Groups 159
Virtualization Support 159
Licensing Requirements for MSDP 160
Prerequisites for MSDP 160
Default Settings for MSDP 160
Configuring MSDP 161
Enabling the MSDP Feature 161
Configuring MSDP Peers 162
Configuring MSDP Peer Parameters 163
Configuring MSDP Global Parameters 165
Configuring MSDP Mesh Groups 167
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Restarting the MSDP Process 168
Verifying the MSDP Configuration 169
Monitoring MSDP 169
Displaying Statistics 170
Clearing Statistics 170
Configuration Examples for MSDP 170
Related Documents 171
Standards 172
Configuring Multicast Extranet 173
CHAPTER 8
Information About Configuring Multicast Extranet 173
Components of Multicast Extranet 174
Guidelines and Limitations for Configuring Multicast Extranet 175
How to Configure Multicast Extranet 175
Configuring Multicast Extranet 175
Additional References for Configuring Multicast Extranet 177
Feature Information for Configuring Multicast Extranet 177
Configuring MoFRR 179
CHAPTER 9
Configuring MoFRR 179
Information about MoFRR 179
Prerequisites for MoFRR 181
Guidelines and Restrictions for MoFRR 181
Configuring MoFRR 181
Verifying Configuring MoFRR 182
Troubleshooting 183
Feature Information for Configuring MoFRR 183
Enabling Multicast Performance Enhancement on VDCs 185
CHAPTER 10
Information About Multicast Performance Enhancement 185
Licensing Requirements for Multicast Performance Enhancement 185
Guidelines and Limitations for Enhanced Multicast Performance 186
Enabling Multicast Performance Enhancement 186
Related Documents for Multicast Performance Enhancement 187
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Feature History for Multicast Performance Enhancement 187
Configuring Multicast Interoperation with N7K-F132-15 Modules 189
CHAPTER 11
Information About Multicast Interoperation 189
Multicast Interoperation with N7K-F132-15 and M-Series Modules 189
Virtualization Support 190
High Availability 190
Licensing Requirements for Multicast Interoperation 190
Prerequisites for Multicast Interoperation 191
Guidelines and Limitations 191
Configuring Layer 3 Multicast Using a Mixed Chassis 191
Verifying the Multicast Configuration 193
Feature History for Multicast Interoperation 193
IETF RFCs for IP Multicast 195
APPENDIX A
IETF RFCs for IP Multicast 195
Configuration Limits for Cisco NX-OS Multicast 197
APPENDIX B
Configuration Limits 197
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