Operation Manual – MulticastH3C S5600 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 .............................................................. 1-51.2 Multicast Models ................................................................................................................ 1-61.3 Multicast Architecture ........................................................................................................ 1-71.3.1 Multicast Address .................................................................................................... 1-71.3.2 Multicast Protocols ................................................................................................ 1-101.4 Multicast Packet Forwarding Mechanism ........................................................................ 1-121.4.1 Implementation of the RPF Mechanism................................................................ 1-131.4.2 RPF Check ............................................................................................................ 1-13Chapter 2 Common Multicast Configuration.............................................................................. 2-12.1 Common Multicast Configuration....................................................................................... 2-12.1.1 Enabling Multicast Packet Buffering ....................................................................... 2-12.1.2 Enabling Multicast Routing...................................................................................... 2-22.1.3 Configuring Limit on the Number of Route Entries ................................................. 2-32.1.4 Configuring Suppression on the Multicast Source Port .......................................... 2-32.1.5 Clearing Multicast Forwarding and Routing Entries................................................ 2-42.1.6 Configuring a Multicast MAC Address Entry........................................................... 2-42.1.7 Configuring Dropping Unknown Multicast Packets ................................................. 2-52.1.8 Tracing a Multicast Path.......................................................................................... 2-62.2 Displaying and Maintaining Common Multicast Configuration .......................................... 2-6Chapter 3 IGMP Configuration ..................................................................................................... 3-13.1 IGMP Overview.................................................................................................................. 3-13.1.1 IGMP Versions ........................................................................................................ 3-13.1.2 Work Mechanism of IGMPv1 .................................................................................. 3-13.1.3 Enhancements Provided by IGMPv2 ...................................................................... 3-33.1.4 IGMP Proxy ............................................................................................................. 3-43.2 Configuring IGMP .............................................................................................................. 3-53.2.1 IGMP Configuration Task List ................................................................................. 3-53.2.2 Enabling IGMP ........................................................................................................ 3-63.2.3 Configuring IGMP Version ...................................................................................... 3-63.2.4 Configuring Options Related to IGMP Query Messages ........................................ 3-73.2.5 Configuring the Maximum Allowed Number of Multicast Groups ........................... 3-8
