3Com Switch 8800 Configuration Guide Table of ContentsTOC-1129.2.11 Configuring RP to Filter the Register Messages Sent by DR ........................... 29-729.2.12 Limiting the range of legal BSR......................................................................... 29-729.2.13 Limiting the range of legal C-RP ....................................................................... 29-829.2.14 Clearing multicast route entries from PIM routing table.................................... 29-829.2.15 Clearing PIM Neighbors .................................................................................... 29-829.3 Displaying and Debugging PIM-SM............................................................................... 29-829.4 PIM-SM Configuration Example .................................................................................... 29-9Chapter 30 MSDP Configuration................................................................................................ 30-130.1 MSDP Overview............................................................................................................. 30-130.1.1 Introduction.......................................................................................................... 30-130.1.2 Working Principle ................................................................................................ 30-230.2 MSDP Configuration ...................................................................................................... 30-430.2.1 Enabling MSDP................................................................................................... 30-430.2.2 Configuring MSDP Peers .................................................................................... 30-530.2.3 Configuring Static RPF Peers ............................................................................. 30-530.2.4 Configuring Originating RP ................................................................................. 30-630.2.5 Configuring SA Caching State ............................................................................ 30-630.2.6 Configuring the Maximum Number of SA caching .............................................. 30-730.2.7 Requesting Source Information of MSDP Peers................................................. 30-730.2.8 Controlling the Source Information Created........................................................ 30-730.2.9 Controlling the Source Information Forwarded ................................................... 30-830.2.10 Controlling the Received Source Information ................................................... 30-930.2.11 Configuring MSDP Mesh Group...................................................................... 30-1030.2.12 Configuring the MSDP Connection Retry Period ............................................ 30-1030.2.13 Shutting MSDP Peers Down ........................................................................... 30-1130.2.14 Clearing MSDP Connections, Statistics and SA Caching Configuration ........ 30-1130.3 Displaying and Debugging MSDP ............................................................................... 30-1230.4 MSDP Configuration Examples ................................................................................... 30-1330.4.1 Configuring Static RPF Peers ........................................................................... 30-1330.4.2 Configuring Anycast RP .................................................................................... 30-1430.4.3 MSDP Integrated Networking............................................................................ 30-18Chapter 31 MBGP Multicast Extension Configuration ............................................................ 31-131.1 MBGP Multicast Extension Overview ............................................................................ 31-131.1.1 Introduction.......................................................................................................... 31-131.1.2 MBGP Extension Attributes for Multicast ............................................................ 31-131.1.3 MBGP Operating Mode and Message Type ....................................................... 31-231.2 MBGP Multicast Extension Configuration...................................................................... 31-331.2.1 Enabling MBGP Multicast Extension Protocol .................................................... 31-331.2.2 Specifying Network Routes Notified by MBGP Multicast Extension ................... 31-431.2.3 Configuring the MED Value for an AS ................................................................ 31-431.2.4 Comparing MED Values from Different AS Neighbor Paths............................... 31-431.2.5 Configuring Local Preference.............................................................................. 31-5