Operation Manual – MulticastH3C S3100 Series Ethernet Switches Table of ContentsiTable of ContentsChapter 1 Multicast Overview ...................................................................................................... 1-11.1 Multicast Overview............................................................................................................. 1-11.1.1 Information Transmission in the Unicast Mode....................................................... 1-11.1.2 Information Transmission in the Broadcast Mode................................................... 1-21.1.3 Information Transmission in the Multicast Mode..................................................... 1-31.1.4 Roles in Multicast .................................................................................................... 1-41.1.5 Advantages and Applications of Multicast .............................................................. 1-41.2 Multicast Models ................................................................................................................ 1-51.3 Multicast Architecture ........................................................................................................ 1-61.3.1 Multicast Address .................................................................................................... 1-61.3.2 Multicast Protocols ................................................................................................ 1-101.4 Multicast Packet Forwarding Mechanism ........................................................................ 1-121.4.1 Implementation of the RPF Mechanism................................................................ 1-121.4.2 RPF Check ............................................................................................................ 1-13Chapter 2 IGMP Snooping Configuration ................................................................................... 2-12.1 IGMP Snooping Overview ................................................................................................. 2-12.1.1 Principle of IGMP Snooping .................................................................................... 2-12.1.2 Basic Concepts in IGMP Snooping ......................................................................... 2-22.1.3 Work Mechanism of IGMP Snooping ...................................................................... 2-32.2 IGMP Snooping Configuration ........................................................................................... 2-52.2.1 Enabling IGMP Snooping........................................................................................ 2-52.2.2 Configuring the Version of IGMP Snooping ............................................................ 2-62.2.3 Configuring Timers .................................................................................................. 2-72.2.4 Configuring Fast Leave Processing ........................................................................ 2-72.2.5 Configuring a Multicast Group Filter........................................................................ 2-92.2.6 Configuring the Maximum Number of Multicast Groups on a Port ....................... 2-102.2.7 Configuring IGMP Snooping Querier .................................................................... 2-112.2.8 Configuring Static Member Port for a Multicast Group ......................................... 2-122.2.9 Configuring a Static Router Port ........................................................................... 2-132.2.10 Configuring a Port as a Simulated Group Member ............................................. 2-132.2.11 Configuring a VLAN Tag for Query Messages.................................................... 2-152.2.12 Configuring Multicast VLAN ................................................................................ 2-152.3 Displaying and Maintaining IGMP Snooping ................................................................... 2-172.4 IGMP Snooping Configuration Examples ........................................................................ 2-182.4.1 Configuring IGMP Snooping ................................................................................. 2-182.4.2 Configuring Multicast VLAN .................................................................................. 2-202.5 Troubleshooting IGMP Snooping..................................................................................... 2-23
