Concept Guide

Example-Conguring IPv4 and IPv6 neighbors................................................................................................... 232
Congure IPv6 NH Automatically for IPv6 Prex Advertised over IPv4 Neighbor......................................... 235
BGP Regular Expression Optimization..................................................................................................................236
Debugging BGP........................................................................................................................................................237
9 Content Addressable Memory (CAM)........................................................................................................239
CAM Allocation...............................................................................................................................................................239
Test CAM Usage.............................................................................................................................................................241
View CAM Proles..........................................................................................................................................................241
View CAM-ACL Settings.............................................................................................................................................. 242
View CAM Usage...........................................................................................................................................................243
Conguring CAM Threshold and Silence Period........................................................................................................244
Setting CAM Threshold and Silence Period..........................................................................................................244
CAM Optimization......................................................................................................................................................... 245
Troubleshoot CAM Proling..........................................................................................................................................245
QoS CAM Region Limitation...................................................................................................................................245
Syslog Error When the Table is Full....................................................................................................................... 246
Syslog Warning Upon 90 Percent Utilization of CAM.........................................................................................246
Syslog Warning for Discrepancies Between Congured Extended Prexes....................................................246
Unied Forwarding Table (UFT) Modes......................................................................................................................246
Conguring UFT Modes..........................................................................................................................................246
10 Control Plane Policing (CoPP)..................................................................................................................248
Congure Control Plane Policing................................................................................................................................. 249
Conguring CoPP for Protocols............................................................................................................................ 250
Conguring CoPP for CPU Queues...................................................................................................................... 252
Displaying CoPP Conguration ............................................................................................................................. 253
11 Data Center Bridging (DCB)..................................................................................................................... 255
Ethernet Enhancements in Data Center Bridging..................................................................................................... 255
Priority-Based Flow Control................................................................................................................................... 256
Enhanced Transmission Selection..........................................................................................................................257
Data Center Bridging Exchange Protocol (DCBx)...............................................................................................258
Data Center Bridging in a Trac Flow.................................................................................................................. 259
Enabling Data Center Bridging.....................................................................................................................................259
DCB Maps and its Attributes................................................................................................................................. 260
Data Center Bridging: Default Conguration.............................................................................................................. 261
Conguring Priority-Based Flow Control.....................................................................................................................261
Conguring Lossless Queues................................................................................................................................. 262
Conguring PFC in a DCB Map................................................................................................................................... 264
PFC Conguration Notes........................................................................................................................................264
PFC Prerequisites and Restrictions.......................................................................................................................265
Applying a DCB Map on a Port....................................................................................................................................265
Conguring PFC without a DCB Map.........................................................................................................................266
Conguring Lossless QueuesExample:..................................................................................................................266
Conguring PFC Asymmetric.......................................................................................................................................267
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