Concept Guide

Conguring an IP Extended Community List....................................................................................................... 233
Congure BGP attributes....................................................................................................................................... 234
Enabling Multipath...................................................................................................................................................238
Route Reectors......................................................................................................................................................239
Enabling Route Flap Dampening............................................................................................................................ 240
Changing BGP keepalive and hold timers.............................................................................................................243
Setting the extended timer.....................................................................................................................................244
Enabling or disabling BGP neighbors.....................................................................................................................244
Route Map Continue............................................................................................................................................... 245
Conguring BGP Confederations.......................................................................................................................... 246
Conguring a BGP VRF address family.................................................................................................................247
Maintaining Existing AS Numbers During an AS Migration................................................................................ 248
Allowing an AS Number to Appear in its Own AS Path...................................................................................... 249
Enabling MBGP Congurations............................................................................................................................. 250
MBGP support for IPv6..........................................................................................................................................250
Conguring IPv6 MBGP between peers.............................................................................................................. 250
Example-Conguring IPv4 and IPv6 neighbors.................................................................................................... 251
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor......................................... 253
BGP Regular Expression Optimization..................................................................................................................255
Debugging BGP....................................................................................................................................................... 255
10 Content Addressable Memory (CAM)...................................................................................................... 258
CAM Allocation.............................................................................................................................................................. 258
Test CAM Usage............................................................................................................................................................260
View CAM-ACL Settings.............................................................................................................................................. 260
View CAM Usage...........................................................................................................................................................262
Conguring CAM Threshold and Silence Period........................................................................................................262
Setting CAM Threshold and Silence Period......................................................................................................... 263
CAM Optimization......................................................................................................................................................... 264
Troubleshoot CAM Proling..........................................................................................................................................264
QoS CAM Region Limitation...................................................................................................................................264
11 Control Plane Policing (CoPP).................................................................................................................. 265
Congure Control Plane Policing................................................................................................................................. 266
Conguring CoPP for Protocols.............................................................................................................................267
Conguring CoPP for CPU Queues...................................................................................................................... 269
CoPP for OSPFv3 Packets.....................................................................................................................................270
Conguring CoPP for OSPFv3...............................................................................................................................273
Displaying CoPP Conguration ............................................................................................................................. 273
12 Data Center Bridging (DCB)..................................................................................................................... 276
Ethernet Enhancements in Data Center Bridging......................................................................................................276
Priority-Based Flow Control....................................................................................................................................277
Enhanced Transmission Selection..........................................................................................................................278
Data Center Bridging Exchange Protocol (DCBx)...............................................................................................279
Data Center Bridging in a Trac Flow.................................................................................................................. 280
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