Users Guide

Filtering Routes with Community Lists................................................................................................................. 202
Manipulating the COMMUNITY Attribute............................................................................................................ 203
Changing MED Attributes.......................................................................................................................................204
Changing the LOCAL_PREFERENCE Attribute..................................................................................................204
Conguring the local System or a Dierent System to be the Next Hop for BGP-Learned Routes............ 205
Changing the WEIGHT Attribute...........................................................................................................................206
Enabling Multipath...................................................................................................................................................206
Filtering BGP Routes...............................................................................................................................................206
Filtering BGP Routes Using Route Maps..............................................................................................................208
Filtering BGP Routes Using AS-PATH Information............................................................................................. 208
Conguring BGP Route Reectors....................................................................................................................... 209
Aggregating Routes..................................................................................................................................................210
Conguring BGP Confederations...........................................................................................................................210
Enabling Route Flap Dampening..............................................................................................................................211
Changing BGP Timers..............................................................................................................................................213
Enabling BGP Neighbor Soft-Reconguration......................................................................................................213
Enabling or disabling BGP neighbors......................................................................................................................214
Route Map Continue................................................................................................................................................216
Enabling MBGP Congurations.................................................................................................................................... 216
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor.......................................... 217
BGP Regular Expression Optimization.........................................................................................................................217
Debugging BGP.............................................................................................................................................................. 217
Storing Last and Bad PDUs.....................................................................................................................................218
Capturing PDUs........................................................................................................................................................219
PDU Counters.......................................................................................................................................................... 220
Sample Congurations.................................................................................................................................................. 220
10 Content Addressable Memory (CAM).......................................................................................................227
CAM Allocation...............................................................................................................................................................227
Test CAM Usage............................................................................................................................................................229
View CAM-ACL Settings.............................................................................................................................................. 229
View CAM Usage............................................................................................................................................................231
CAM Optimization.......................................................................................................................................................... 231
Troubleshoot CAM Proling..........................................................................................................................................232
QoS CAM Region Limitation...................................................................................................................................232
11 Control Plane Policing (CoPP).................................................................................................................. 233
Congure Control Plane Policing................................................................................................................................. 234
Conguring CoPP for Protocols............................................................................................................................ 235
Conguring CoPP for CPU Queues.......................................................................................................................237
CoPP for OSPFv3 Packets.....................................................................................................................................238
Conguring CoPP for OSPFv3............................................................................................................................... 241
Displaying CoPP Conguration ..............................................................................................................................241
12 Data Center Bridging (DCB)..................................................................................................................... 244
Ethernet Enhancements in Data Center Bridging......................................................................................................244
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