H3C S3100 8C SI Operation Manual page 303

Operation Manual - Multicast
H3C S3100 Series Ethernet Switches
Chapter 1 Multicast Overview ...................................................................................................... 1-1
1.1 Multicast Overview............................................................................................................. 1-1
1.1.1 Information Transmission in the Unicast Mode....................................................... 1-1
1.1.2 Information Transmission in the Broadcast Mode................................................... 1-2
1.1.3 Information Transmission in the Multicast Mode..................................................... 1-3
1.1.4 Roles in Multicast .................................................................................................... 1-4
1.1.5 Advantages and Applications of Multicast .............................................................. 1-4
1.2 Multicast Models ................................................................................................................ 1-5
1.3 Multicast Architecture ........................................................................................................ 1-6
1.3.1 Multicast Address .................................................................................................... 1-6
1.3.2 Multicast Protocols ................................................................................................ 1-10
1.4 Multicast Packet Forwarding Mechanism ........................................................................ 1-12
1.4.1 Implementation of the RPF Mechanism................................................................ 1-12
1.4.2 RPF Check ............................................................................................................ 1-13
Chapter 2 IGMP Snooping Configuration ................................................................................... 2-1
2.1 IGMP Snooping Overview ................................................................................................. 2-1
2.1.1 Principle of IGMP Snooping .................................................................................... 2-1
2.1.2 Basic Concepts in IGMP Snooping ......................................................................... 2-2
2.1.3 Work Mechanism of IGMP Snooping ...................................................................... 2-3
2.2 IGMP Snooping Configuration ........................................................................................... 2-5
2.2.1 Enabling IGMP Snooping........................................................................................ 2-5
2.2.2 Configuring the Version of IGMP Snooping ............................................................ 2-6
2.2.3 Configuring Timers .................................................................................................. 2-7
2.2.4 Configuring Fast Leave Processing ........................................................................ 2-7
2.2.5 Configuring a Multicast Group Filter........................................................................ 2-9
2.2.6 Configuring the Maximum Number of Multicast Groups on a Port ....................... 2-10
2.2.7 Configuring IGMP Snooping Querier .................................................................... 2-11
2.2.8 Configuring Static Member Port for a Multicast Group ......................................... 2-12
2.2.9 Configuring a Static Router Port ........................................................................... 2-13
2.2.10 Configuring a Port as a Simulated Group Member ............................................. 2-13
2.2.11 Configuring a VLAN Tag for Query Messages.................................................... 2-15
2.2.12 Configuring Multicast VLAN ................................................................................ 2-15
2.3 Displaying and Maintaining IGMP Snooping ................................................................... 2-17
2.4 IGMP Snooping Configuration Examples ........................................................................ 2-18
2.4.1 Configuring IGMP Snooping ................................................................................. 2-18
2.4.2 Configuring Multicast VLAN .................................................................................. 2-20
2.5 Troubleshooting IGMP Snooping..................................................................................... 2-23
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Table of Contents