Administrator Guide

Regular Expressions as Filters................................................................................................................................202
Redistributing Routes..............................................................................................................................................203
Enabling Additional Paths....................................................................................................................................... 204
Conguring IP Community Lists............................................................................................................................ 204
Conguring an IP Extended Community List....................................................................................................... 205
Filtering Routes with Community Lists................................................................................................................. 206
Manipulating the COMMUNITY Attribute............................................................................................................ 207
Changing MED Attributes.......................................................................................................................................208
Changing the LOCAL_PREFERENCE Attribute..................................................................................................208
Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes............ 209
Changing the WEIGHT Attribute............................................................................................................................210
Enabling Multipath....................................................................................................................................................210
Filtering BGP Routes................................................................................................................................................210
Filtering BGP Routes Using Route Maps...............................................................................................................212
Filtering BGP Routes Using AS-PATH Information.............................................................................................. 212
Conguring BGP Route Reectors........................................................................................................................ 213
Aggregating Routes..................................................................................................................................................214
Conguring BGP Confederations........................................................................................................................... 214
Enabling Route Flap Dampening.............................................................................................................................215
Changing BGP Timers..............................................................................................................................................217
Enabling BGP Neighbor Soft-Reconguration......................................................................................................217
Enabling or disabling BGP neighbors......................................................................................................................218
Route Map Continue............................................................................................................................................... 220
Enabling MBGP Congurations................................................................................................................................... 220
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor.......................................... 221
BGP Regular Expression Optimization.........................................................................................................................221
Debugging BGP.............................................................................................................................................................. 221
Storing Last and Bad PDUs....................................................................................................................................222
Capturing PDUs....................................................................................................................................................... 223
PDU Counters.......................................................................................................................................................... 224
Sample Congurations.................................................................................................................................................. 224
10 Content Addressable Memory (CAM)....................................................................................................... 231
CAM Allocation............................................................................................................................................................... 231
Test CAM Usage............................................................................................................................................................ 233
View CAM-ACL Settings.............................................................................................................................................. 233
View CAM Usage...........................................................................................................................................................235
CAM Optimization......................................................................................................................................................... 235
Troubleshoot CAM Proling..........................................................................................................................................235
QoS CAM Region Limitation...................................................................................................................................235
11 Control Plane Policing (CoPP).................................................................................................................. 237
Congure Control Plane Policing................................................................................................................................. 238
Conguring CoPP for Protocols............................................................................................................................ 239
Conguring CoPP for CPU Queues....................................................................................................................... 241
CoPP for OSPFv3 Packets.....................................................................................................................................242
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