Concept Guide

Conguring IP Community Lists............................................................................................................................ 225
Conguring an IP Extended Community List....................................................................................................... 226
Congure BGP attributes........................................................................................................................................227
Enabling Multipath....................................................................................................................................................231
Route Reectors......................................................................................................................................................232
Enabling Route Flap Dampening............................................................................................................................ 233
Changing BGP keepalive and hold timers.............................................................................................................235
Setting the extended timer.................................................................................................................................... 236
Enabling or disabling BGP neighbors..................................................................................................................... 237
Route Map Continue............................................................................................................................................... 238
Conguring BGP Confederations.......................................................................................................................... 238
Conguring a BGP VRF address family................................................................................................................ 239
Maintaining Existing AS Numbers During an AS Migration................................................................................ 240
Allowing an AS Number to Appear in its Own AS Path....................................................................................... 241
Enabling MBGP Congurations..............................................................................................................................242
MBGP support for IPv6.......................................................................................................................................... 242
Conguring IPv6 MBGP between peers...............................................................................................................243
Example-Conguring IPv4 and IPv6 neighbors................................................................................................... 244
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor......................................... 246
BGP Regular Expression Optimization..................................................................................................................248
Debugging BGP........................................................................................................................................................248
10 Content Addressable Memory (CAM)....................................................................................................... 251
CAM Allocation............................................................................................................................................................... 251
Test CAM Usage............................................................................................................................................................253
View CAM Proles.........................................................................................................................................................253
View CAM-ACL Settings.............................................................................................................................................. 254
View CAM Usage...........................................................................................................................................................255
Conguring CAM Threshold and Silence Period........................................................................................................256
Setting CAM Threshold and Silence Period......................................................................................................... 256
CAM Optimization..........................................................................................................................................................257
Troubleshoot CAM Proling..........................................................................................................................................257
QoS CAM Region Limitation...................................................................................................................................257
11 Control Plane Policing (CoPP).................................................................................................................. 259
Congure Control Plane Policing................................................................................................................................. 260
Conguring CoPP for Protocols............................................................................................................................. 261
Conguring CoPP for CPU Queues...................................................................................................................... 263
CoPP for OSPFv3 Packets.....................................................................................................................................264
Conguring CoPP for OSPFv3...............................................................................................................................267
Displaying CoPP Conguration ............................................................................................................................. 267
12 Data Center Bridging (DCB)..................................................................................................................... 270
Ethernet Enhancements in Data Center Bridging......................................................................................................270
Priority-Based Flow Control.................................................................................................................................... 271
Enhanced Transmission Selection..........................................................................................................................272
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