xii
C O N T E N T S
14: Border Gateway Protocol (BGP) 255
Overview ..................................... ................................. 255
BGP Attributes ...................... ....................................... 256
BGP Communities ........... ............................................ 256
BGP Features ........................ ....................................... 257
Route Reflectors............. ......................................... 257
Route Confederations.............................................. 258
Route Confederation Example ................................258
Route Aggregation ......................................................262
Using Route Aggregation ........................................262
Route Map Support ................................................. 262
Interior Gateway Protocol (IGP) Synchronization.... 262
Using the Loopback Interface.................................. 263
OSPF-to-BGP Route Redistribution ....................... . 263
BGP Peer Groups.................................................... 263
BGP MD5 Authentication ............................................265
BGP Password Encryption ......................................... 266
Configuring BGP ..................................... ....................266
Displaying BGP Settings ........................... .................271
Resetting and Disabling BGP .....................................272
BGP Route Selection .............................. ....................273
15: IP Multicast Routing .................. 275
Overview ..................................... ................................. 275
DVMRP Overview......................... ........................... 276
PIM Overview .............................................. ............ 276
PIM-DM ....................................... ............................2 76
PIM Sparse Mode (PIM-SM) ...................................277
Static Rendezvous Points (RPs) .............................277
PIM Mode Translation ............................................. 277
IP Multicast Cache Display ...................................... 278
IGMP Overview ...................................... ......................278
IGMP Snooping....................................................... 278
IGMP Leave Message .............................................279
IGMP Display ........................ ...................................2 79
IGMP Query Interval ...... .......................................... 280
IGMP Configuration Commands ................................280
Configuring IP Multicasting Routing ....................... ..282
Configuration Examples .............................. ............ 285
Configuration for IR1 ............................ ................... 285