Users Guide

Table Of Contents
Manipulating the COMMUNITY Attribute.............................................................................................................214
Changing MED Attributes....................................................................................................................................... 215
Changing the LOCAL_PREFERENCE Attribute.................................................................................................. 216
Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes............. 216
Changing the WEIGHT Attribute............................................................................................................................217
Enabling Multipath....................................................................................................................................................217
Route Reectors.......................................................................................................................................................218
Conguring BGP Confederations........................................................................................................................... 219
Enabling Route Flap Dampening.............................................................................................................................219
Changing BGP Timers.............................................................................................................................................222
Setting the extended timer.....................................................................................................................................222
Enabling or disabling BGP neighbors.....................................................................................................................223
Route Map Continue............................................................................................................................................... 224
Enabling MBGP Congurations................................................................................................................................... 225
MBGP support for IPv6................................................................................................................................................225
Conguring IPv6 MBGP between peers.................................................................................................................... 225
Example-Conguring IPv4 and IPv6 neighbors......................................................................................................... 226
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor............................................... 228
BGP Regular Expression Optimization........................................................................................................................230
Debugging BGP............................................................................................................................................................. 230
Storing Last and Bad PDUs.....................................................................................................................................231
Capturing PDUs....................................................................................................................................................... 232
PDU Counters.......................................................................................................................................................... 233
9 Content Addressable Memory (CAM)........................................................................................................ 234
CAM Allocation...............................................................................................................................................................234
Test CAM Usage............................................................................................................................................................236
View CAM Proles.........................................................................................................................................................236
View CAM-ACL Settings...............................................................................................................................................237
View CAM Usage...........................................................................................................................................................238
Conguring CAM Threshold and Silence Period........................................................................................................239
Setting CAM Threshold and Silence Period......................................................................................................... 239
CAM Optimization......................................................................................................................................................... 240
Troubleshoot CAM Proling..........................................................................................................................................240
QoS CAM Region Limitation...................................................................................................................................240
Syslog Error When the Table is Full........................................................................................................................ 241
Syslog Warning Upon 90 Percent Utilization of CAM..........................................................................................241
Syslog Warning for Discrepancies Between Congured Extended Prexes.....................................................241
Unied Forwarding Table (UFT) Modes...................................................................................................................... 241
Conguring UFT Modes.......................................................................................................................................... 241
10 Control Plane Policing (CoPP)..................................................................................................................243
Congure Control Plane Policing................................................................................................................................. 244
Conguring CoPP for Protocols............................................................................................................................ 245
Conguring CoPP for CPU Queues.......................................................................................................................247
Displaying CoPP Conguration ............................................................................................................................. 248
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