Concept Guide

Redistributing iBGP Routes into IGP.....................................................................................................................232
Enabling Additional Paths........................................................................................................................................234
Conguring IP Community Lists............................................................................................................................ 235
Conguring an IP Extended Community List....................................................................................................... 236
Congure BGP attributes........................................................................................................................................237
Enabling Multipath....................................................................................................................................................241
Route Reectors...................................................................................................................................................... 242
Enabling Route Flap Dampening............................................................................................................................ 243
Changing BGP keepalive and hold timers.............................................................................................................246
Setting the extended timer.....................................................................................................................................247
Enabling or disabling BGP neighbors.....................................................................................................................247
Route Map Continue............................................................................................................................................... 248
Conguring BGP Confederations.......................................................................................................................... 249
Conguring a BGP VRF address family................................................................................................................ 250
Maintaining Existing AS Numbers During an AS Migration................................................................................. 251
Allowing an AS Number to Appear in its Own AS Path...................................................................................... 252
Enabling MBGP Congurations............................................................................................................................. 253
MBGP support for IPv6..........................................................................................................................................253
Conguring IPv6 MBGP between peers.............................................................................................................. 253
Example-Conguring IPv4 and IPv6 neighbors................................................................................................... 254
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor......................................... 256
BGP Regular Expression Optimization..................................................................................................................258
Debugging BGP....................................................................................................................................................... 258
10 Content Addressable Memory (CAM)....................................................................................................... 261
CAM Allocation............................................................................................................................................................... 261
Test CAM Usage............................................................................................................................................................263
View CAM-ACL Settings.............................................................................................................................................. 263
View CAM Usage...........................................................................................................................................................265
Conguring CAM Threshold and Silence Period........................................................................................................265
Setting CAM Threshold and Silence Period......................................................................................................... 265
CAM Optimization......................................................................................................................................................... 266
Troubleshoot CAM Proling..........................................................................................................................................267
QoS CAM Region Limitation...................................................................................................................................267
11 Control Plane Policing (CoPP).................................................................................................................. 268
Congure Control Plane Policing................................................................................................................................. 269
Conguring CoPP for Protocols.............................................................................................................................270
Conguring CoPP for CPU Queues.......................................................................................................................272
CoPP for OSPFv3 Packets.....................................................................................................................................273
Conguring CoPP for OSPFv3...............................................................................................................................276
Displaying CoPP Conguration ............................................................................................................................. 276
12 Data Center Bridging (DCB)..................................................................................................................... 279
Ethernet Enhancements in Data Center Bridging......................................................................................................279
Priority-Based Flow Control................................................................................................................................... 280
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