Concept Guide
Conguring an IP Extended Community List....................................................................................................... 229
Congure BGP attributes....................................................................................................................................... 230
Enabling Multipath...................................................................................................................................................234
Route Reectors......................................................................................................................................................235
Enabling Route Flap Dampening............................................................................................................................ 236
Changing BGP keepalive and hold timers.............................................................................................................239
Setting the extended timer.................................................................................................................................... 240
Enabling or disabling BGP neighbors.....................................................................................................................240
Route Map Continue................................................................................................................................................ 241
Conguring BGP Confederations.......................................................................................................................... 242
Conguring a BGP VRF address family.................................................................................................................243
Maintaining Existing AS Numbers During an AS Migration................................................................................ 244
Allowing an AS Number to Appear in its Own AS Path...................................................................................... 245
Enabling MBGP Congurations............................................................................................................................. 246
MBGP support for IPv6..........................................................................................................................................246
Conguring IPv6 MBGP between peers.............................................................................................................. 246
Example-Conguring IPv4 and IPv6 neighbors....................................................................................................247
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor......................................... 249
BGP Regular Expression Optimization...................................................................................................................251
Debugging BGP........................................................................................................................................................ 251
10 Content Addressable Memory (CAM).......................................................................................................254
CAM Allocation.............................................................................................................................................................. 254
Test CAM Usage............................................................................................................................................................256
View CAM-ACL Settings.............................................................................................................................................. 256
View CAM Usage...........................................................................................................................................................258
Conguring CAM Threshold and Silence Period........................................................................................................258
Setting CAM Threshold and Silence Period......................................................................................................... 259
CAM Optimization......................................................................................................................................................... 260
Troubleshoot CAM Proling..........................................................................................................................................260
QoS CAM Region Limitation...................................................................................................................................260
11 Control Plane Policing (CoPP)...................................................................................................................261
Congure Control Plane Policing................................................................................................................................. 262
Conguring CoPP for Protocols............................................................................................................................ 263
Conguring CoPP for CPU Queues...................................................................................................................... 265
CoPP for OSPFv3 Packets.....................................................................................................................................266
Conguring CoPP for OSPFv3.............................................................................................................................. 269
Displaying CoPP Conguration .............................................................................................................................269
12 Data Center Bridging (DCB)..................................................................................................................... 272
Ethernet Enhancements in Data Center Bridging......................................................................................................272
Priority-Based Flow Control....................................................................................................................................273
Enhanced Transmission Selection.......................................................................................................................... 274
Data Center Bridging Exchange Protocol (DCBx)...............................................................................................275
Data Center Bridging in a Trac Flow...................................................................................................................276
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