Concept Guide

Manipulating the COMMUNITY Attribute.............................................................................................................214
Changing MED Attributes....................................................................................................................................... 216
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............. 217
Changing the WEIGHT Attribute............................................................................................................................217
Enabling Multipath....................................................................................................................................................218
Route Reectors.......................................................................................................................................................218
Conguring BGP Confederations.......................................................................................................................... 220
Enabling Route Flap Dampening............................................................................................................................ 220
Changing BGP keepalive and hold timers.............................................................................................................222
Setting the extended timer.....................................................................................................................................223
Enabling or disabling BGP neighbors.....................................................................................................................224
Route Map Continue............................................................................................................................................... 225
Enabling MBGP Congurations................................................................................................................................... 226
MBGP support for IPv6................................................................................................................................................226
Conguring IPv6 MBGP between peers.................................................................................................................... 226
Example-Conguring IPv4 and IPv6 neighbors..........................................................................................................227
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor............................................... 229
BGP Regular Expression Optimization.........................................................................................................................231
Debugging BGP.............................................................................................................................................................. 231
Storing Last and Bad PDUs....................................................................................................................................232
Capturing PDUs....................................................................................................................................................... 233
PDU Counters.......................................................................................................................................................... 234
9 Content Addressable Memory (CAM)........................................................................................................235
CAM Allocation.............................................................................................................................................................. 235
Test CAM Usage............................................................................................................................................................ 237
View CAM Proles......................................................................................................................................................... 237
View CAM-ACL Settings.............................................................................................................................................. 238
View CAM Usage...........................................................................................................................................................239
Conguring CAM Threshold and Silence Period........................................................................................................240
Setting CAM Threshold and Silence Period......................................................................................................... 240
CAM Optimization.......................................................................................................................................................... 241
Troubleshoot CAM Proling...........................................................................................................................................241
QoS CAM Region Limitation....................................................................................................................................241
Syslog Error When the Table is Full....................................................................................................................... 242
Syslog Warning Upon 90 Percent Utilization of CAM.........................................................................................242
Syslog Warning for Discrepancies Between Congured Extended Prexes.................................................... 242
Unied Forwarding Table (UFT) Modes......................................................................................................................242
Conguring UFT Modes..........................................................................................................................................242
10 Control Plane Policing (CoPP)..................................................................................................................244
Congure Control Plane Policing................................................................................................................................. 245
Conguring CoPP for Protocols............................................................................................................................ 246
Conguring CoPP for CPU Queues...................................................................................................................... 248
Displaying CoPP Conguration ............................................................................................................................. 249
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