H3C S5600 Series Operation Manual page 451

Operation Manual - Multicast
H3C S5600 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 .............................................................. 1-5
1.2 Multicast Models ................................................................................................................ 1-6
1.3 Multicast Architecture ........................................................................................................ 1-7
1.3.1 Multicast Address .................................................................................................... 1-7
1.3.2 Multicast Protocols ................................................................................................ 1-10
1.4 Multicast Packet Forwarding Mechanism ........................................................................ 1-12
1.4.1 Implementation of the RPF Mechanism................................................................ 1-13
1.4.2 RPF Check ............................................................................................................ 1-13
Chapter 2 Common Multicast Configuration.............................................................................. 2-1
2.1 Common Multicast Configuration....................................................................................... 2-1
2.1.1 Enabling Multicast Packet Buffering ....................................................................... 2-1
2.1.2 Enabling Multicast Routing...................................................................................... 2-2
2.1.3 Configuring Limit on the Number of Route Entries ................................................. 2-3
2.1.4 Configuring Suppression on the Multicast Source Port .......................................... 2-3
2.1.5 Clearing Multicast Forwarding and Routing Entries................................................ 2-4
2.1.6 Configuring a Multicast MAC Address Entry........................................................... 2-4
2.1.7 Configuring Dropping Unknown Multicast Packets ................................................. 2-5
2.1.8 Tracing a Multicast Path.......................................................................................... 2-6
2.2 Displaying and Maintaining Common Multicast Configuration .......................................... 2-6
Chapter 3 IGMP Configuration ..................................................................................................... 3-1
3.1 IGMP Overview.................................................................................................................. 3-1
3.1.1 IGMP Versions ........................................................................................................ 3-1
3.1.2 Work Mechanism of IGMPv1 .................................................................................. 3-1
3.1.3 Enhancements Provided by IGMPv2 ...................................................................... 3-3
3.1.4 IGMP Proxy ............................................................................................................. 3-4
3.2 Configuring IGMP .............................................................................................................. 3-5
3.2.1 IGMP Configuration Task List ................................................................................. 3-5
3.2.2 Enabling IGMP ........................................................................................................ 3-6
3.2.3 Configuring IGMP Version ...................................................................................... 3-6
3.2.4 Configuring Options Related to IGMP Query Messages ........................................ 3-7
3.2.5 Configuring the Maximum Allowed Number of Multicast Groups ........................... 3-8
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Table of Contents