3Com Switch 8800 Configuration Guide Table of Contents
TOC-9
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