Administrator Guide

Changing MED Attributes.......................................................................................................................................209
Changing the LOCAL_PREFERENCE Attribute..................................................................................................209
Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes............. 210
Changing the WEIGHT Attribute.............................................................................................................................211
Enabling Multipath.................................................................................................................................................... 211
Filtering BGP Routes.................................................................................................................................................211
Filtering BGP Routes Using Route Maps...............................................................................................................213
Filtering BGP Routes Using AS-PATH Information.............................................................................................. 213
Conguring BGP Route Reectors........................................................................................................................ 214
Aggregating Routes..................................................................................................................................................215
Conguring BGP Confederations...........................................................................................................................215
Enabling Route Flap Dampening.............................................................................................................................216
Changing BGP Timers..............................................................................................................................................218
Enabling BGP Neighbor Soft-Reconguration..................................................................................................... 218
Enabling or disabling BGP neighbors..................................................................................................................... 219
Route Map Continue................................................................................................................................................221
Enabling MBGP Congurations.................................................................................................................................... 221
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor......................................... 222
BGP Regular Expression Optimization........................................................................................................................222
Debugging BGP..............................................................................................................................................................222
Storing Last and Bad PDUs....................................................................................................................................223
Capturing PDUs....................................................................................................................................................... 224
PDU Counters.......................................................................................................................................................... 225
Sample Congurations.................................................................................................................................................. 225
9 Content Addressable Memory (CAM)........................................................................................................ 232
CAM Allocation...............................................................................................................................................................232
Test CAM Usage............................................................................................................................................................ 234
View CAM-ACL Settings.............................................................................................................................................. 234
View CAM Usage...........................................................................................................................................................235
CAM Optimization......................................................................................................................................................... 236
Troubleshoot CAM Proling..........................................................................................................................................236
QoS CAM Region Limitation...................................................................................................................................236
Syslog Error When the Table is Full....................................................................................................................... 236
Syslog Warning Upon 90 Percent Utilization of CAM......................................................................................... 237
Syslog Warning for Discrepancies Between Congured Extended Prexes.................................................... 237
Unied Forwarding Table (UFT) Modes......................................................................................................................237
Conguring UFT Modes..........................................................................................................................................237
10 Control Plane Policing (CoPP)................................................................................................................. 239
Congure Control Plane Policing................................................................................................................................. 240
Conguring CoPP for Protocols............................................................................................................................. 241
Conguring CoPP for CPU Queues...................................................................................................................... 243
Protocol to CPU Queue Mapping.......................................................................................................................... 244
Conguring Protocol to CPU Queue Mapping.....................................................................................................244
Displaying CoPP Conguration ............................................................................................................................. 245
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