Users Guide

Manipulating the COMMUNITY Attribute............................................................................................................200
Changing MED Attributes....................................................................................................................................... 201
Changing the LOCAL_PREFERENCE Attribute.................................................................................................. 201
Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes............ 202
Changing the WEIGHT Attribute...........................................................................................................................203
Enabling Multipath...................................................................................................................................................203
Filtering BGP Routes...............................................................................................................................................203
Filtering BGP Routes Using Route Maps..............................................................................................................205
Filtering BGP Routes Using AS-PATH Information............................................................................................. 205
Conguring BGP Route Reectors....................................................................................................................... 206
Aggregating Routes................................................................................................................................................. 207
Conguring BGP Confederations...........................................................................................................................207
Enabling Route Flap Dampening............................................................................................................................ 208
Changing BGP Timers............................................................................................................................................. 210
Enabling BGP Neighbor Soft-Reconguration..................................................................................................... 210
Enabling or disabling BGP neighbors...................................................................................................................... 211
Route Map Continue................................................................................................................................................213
Enabling MBGP Congurations.................................................................................................................................... 213
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor.......................................... 214
BGP Regular Expression Optimization.........................................................................................................................214
Debugging BGP.............................................................................................................................................................. 214
Storing Last and Bad PDUs.....................................................................................................................................215
Capturing PDUs........................................................................................................................................................216
PDU Counters........................................................................................................................................................... 217
Sample Congurations................................................................................................................................................... 217
10 Content Addressable Memory (CAM).......................................................................................................224
CAM Allocation...............................................................................................................................................................224
Test CAM Usage............................................................................................................................................................226
View CAM Proles.........................................................................................................................................................226
View CAM-ACL Settings...............................................................................................................................................227
View CAM Usage...........................................................................................................................................................229
CAM Optimization......................................................................................................................................................... 229
Troubleshoot CAM Proling..........................................................................................................................................229
QoS CAM Region Limitation...................................................................................................................................229
11 Control Plane Policing (CoPP).................................................................................................................. 230
Congure Control Plane Policing.................................................................................................................................. 231
Conguring CoPP for Protocols............................................................................................................................ 232
Conguring CoPP for CPU Queues...................................................................................................................... 234
CoPP for OSPFv3 Packets.....................................................................................................................................235
Conguring CoPP for OSPFv3.............................................................................................................................. 238
Displaying CoPP Conguration ............................................................................................................................. 238
12 Data Center Bridging (DCB)......................................................................................................................241
Ethernet Enhancements in Data Center Bridging...................................................................................................... 241
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