Users Guide

Configuring IP Community Lists.............................................................................................................................201
Configuring an IP Extended Community List.......................................................................................................202
Filtering Routes with Community Lists.................................................................................................................203
Manipulating the COMMUNITY Attribute............................................................................................................203
Changing MED Attributes...................................................................................................................................... 205
Changing the LOCAL_PREFERENCE Attribute................................................................................................. 205
Configuring the local System or a Different System to be the Next Hop for BGP-Learned Routes...........206
Changing the WEIGHT Attribute...........................................................................................................................206
Enabling Multipath...................................................................................................................................................207
Filtering BGP Routes...............................................................................................................................................207
Filtering BGP Routes Using Route Maps............................................................................................................. 208
Filtering BGP Routes Using AS-PATH Information.............................................................................................209
Configuring BGP Route Reflectors........................................................................................................................210
Aggregating Routes................................................................................................................................................. 210
Configuring BGP Confederations............................................................................................................................211
Enabling Route Flap Dampening..............................................................................................................................211
Changing BGP Timers..............................................................................................................................................214
Enabling BGP Neighbor Soft-Reconfiguration..................................................................................................... 214
Enabling or disabling BGP neighbors..................................................................................................................... 215
Route Map Continue................................................................................................................................................217
Enabling MBGP Configurations.................................................................................................................................... 217
BGP Regular Expression Optimization.........................................................................................................................218
Debugging BGP.............................................................................................................................................................. 218
Storing Last and Bad PDUs.................................................................................................................................... 219
Capturing PDUs.......................................................................................................................................................220
PDU Counters...........................................................................................................................................................221
Sample Configurations...................................................................................................................................................221
9 Content Addressable Memory (CAM)....................................................................................................... 230
CAM Allocation.............................................................................................................................................................. 230
Test CAM Usage........................................................................................................................................................... 232
View CAM-ACL Settings..............................................................................................................................................232
View CAM Usage...........................................................................................................................................................233
Return to the Default CAM Configuration................................................................................................................. 233
CAM Optimization......................................................................................................................................................... 234
Applications for CAM Profiling.....................................................................................................................................234
LAG HashingLAG Hashing Based on Bidirectional Flow.....................................................................................234
Unified Forwarding Table (UFT) Modes.....................................................................................................................234
Configuring UFT Modes......................................................................................................................................... 235
10 Control Plane Policing (CoPP)................................................................................................................. 236
CoPP Implementation................................................................................................................................................... 236
Protocol-based Control Plane Policing................................................................................................................. 236
Queue-based Control Plane Policing.....................................................................................................................236
CoPP Example............................................................................................................................................................... 238
Configure Control Plane Policing.................................................................................................................................239
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