3Com Router 3000 Ethernet FamilyConfiguration Guide Table of Contents3Com Corporationii3.2.13 Deleting IGMP Group from Interface..................................................................... 3-93.3 IGMP Display and Debug ................................................................................................ 3-103.4 Typical IGMP Configuration Example.............................................................................. 3-10Chapter 4 PIM Configuration........................................................................................................ 4-14.1 PIM Overview..................................................................................................................... 4-14.1.1 PIM-DM ................................................................................................................... 4-14.1.2 PIM-SM ................................................................................................................... 4-24.2 PIM-DM Configuration ....................................................................................................... 4-44.2.1 Enabling Multicast ................................................................................................... 4-44.2.2 Enabling IGMP on an Interface ............................................................................... 4-54.2.3 Enabling PIM-DM .................................................................................................... 4-54.2.4 Entering PIM View................................................................................................... 4-54.2.5 Configuring Hello Message Interval ........................................................................ 4-54.2.6 Configuring Multicast Source (Group) Policy .......................................................... 4-64.2.7 Configuring PIM Neighbor Policy ............................................................................ 4-64.2.8 Limiting the Number of PIM Neighbors on an Interface .......................................... 4-64.3 PIM-SM Configuration ....................................................................................................... 4-74.3.1 Enabling Multicast ................................................................................................... 4-84.3.2 Enabling IGMP on the Interface .............................................................................. 4-84.3.3 Enabling PIM-SM .................................................................................................... 4-84.3.4 Entering PIM View................................................................................................... 4-84.3.5 Configuring PIM-SM Domain Boundary.................................................................. 4-84.3.6 Configuring Candidate-BSR.................................................................................... 4-94.3.7 Configuring Candidate-RP .................................................................................... 4-104.3.8 Configuring Static RP ............................................................................................ 4-104.3.9 Configuring Hello message Interval ...................................................................... 4-114.3.10 Configuring Multicast Source (Group) Policy ...................................................... 4-114.3.11 Configuring PIM Neighbor Policy ........................................................................ 4-114.3.12 Limiting the Number of PIM Neighbors on an Interface...................................... 4-114.3.13 Configuring RP Register Policy........................................................................... 4-114.3.14 Configuring the Threshold to Switch from RPT to SPT....................................... 4-124.3.15 Configuring BSR Policy....................................................................................... 4-124.3.16 Configuring C-RP Policy ..................................................................................... 4-134.3.17 Clearing PIM Routing Entries.............................................................................. 4-134.3.18 Clearing PIM Neighbors ...................................................................................... 4-144.4 PIM Display and Debugging ............................................................................................ 4-144.5 PIM Configuration Example ............................................................................................. 4-154.5.1 PIM-DM Configuration........................................................................................... 4-154.5.2 PIM-SM Configuration........................................................................................... 4-174.6 PIM Troubleshooting........................................................................................................ 4-21Chapter 5 MSDP Configuration.................................................................................................... 5-15.1 MSDP Overview................................................................................................................. 5-1