3Com 8800 Configuration Manual page 15

3Com Switch 8800 Configuration Guide
23.1.3 Application of Multicast ....................................................................................... 23-7
23.2 Implementation of IP Multicast....................................................................................... 23-7
23.2.1 IP Multicast Addresses........................................................................................ 23-7
23.2.2 IP Multicast Protocols.......................................................................................... 23-9
23.3 RPF Mechanism for IP Multicast Packets ................................................................... 23-10
Chapter 24 IGMP Snooping Configuration ............................................................................... 24-1
24.1 IGMP Snooping Overview ............................................................................................. 24-1
24.1.1 IGMP Snooping Principle .................................................................................... 24-1
24.1.2 Implement IGMP Snooping ................................................................................. 24-2
24.2 IGMP Snooping Configuration ....................................................................................... 24-4
24.2.1 Enabling/Disabling IGMP Snooping.................................................................... 24-4
24.2.2 Configuring Router Port Aging Time ................................................................... 24-5
24.2.3 Configuring Maximum Response Time............................................................... 24-5
24.2.4 Configuring Aging Time of Multicast Group Member Ports ................................ 24-6
24.2.5 Configuring Unknown Multicast Packets not Broadcasted within a VLAN ......... 24-6
24.3 Displaying and debugging IGMP Snooping................................................................... 24-7
24.4 IGMP Snooping Configuration Example........................................................................ 24-7
24.4.1 Enable IGMP Snooping....................................................................................... 24-7
24.5 Troubleshoot IGMP Snooping ....................................................................................... 24-8
Chapter 25 Multicast VLAN Configuration................................................................................ 25-1
25.1 Multicast VLAN Overview .............................................................................................. 25-1
25.2 Multicast VLAN Configuration........................................................................................ 25-1
25.3 Multicast VLAN Configuration Example......................................................................... 25-2
Chapter 26 Common Multicast Configuration.......................................................................... 26-1
26.1 Introduction to Common Multicast Configuration........................................................... 26-1
26.2 Common Multicast Configuration................................................................................... 26-1
26.2.1 Enabling Multicast ............................................................................................... 26-1
26.2.2 Configuring multicast route number limit............................................................. 26-2
26.2.3 Clearing MFC Forwarding Entries or Its Statistic Information............................. 26-2
26.2.4 Clearing Route Entries from the Kernel Multicast Routing Table ....................... 26-2
26.3 Controlled Multicast Configuration................................................................................. 26-3
26.3.1 Controlled Multicast Overview............................................................................. 26-3
26.3.2 Configuring Controlled Multicast ......................................................................... 26-3
26.3.3 Controlled Multicast Configuration Example ....................................................... 26-4
26.4 Displaying and Debugging Common Multicast Configuration ....................................... 26-5
Chapter 27 IGMP Configuration ................................................................................................. 27-1
27.1 IGMP Overview.............................................................................................................. 27-1
27.1.1 Introduction to IGMP ........................................................................................... 27-1
27.2 IGMP Configuration ....................................................................................................... 27-2
27.2.1 Enabling Multicast ............................................................................................... 27-3
27.2.2 Enabling IGMP on an Interface ........................................................................... 27-3
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